diff --git a/build.gradle b/build.gradle
index 67c6920..08bd3a8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,7 @@
 plugins {
 	id "checkstyle"
 	id "io.spring.javaformat" version "0.0.25"
-	id 'io.spring.nohttp' version '0.0.5.RELEASE'
+	id 'io.spring.nohttp' version '0.0.11'
 }
 
 allprojects {
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
index a69d9cb..65dcd68 100755
--- a/gradlew
+++ b/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/gradlew.bat b/gradlew.bat
index 53a6b23..6689b85 100644
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/reactive/rsocket/hello-security/gradle/wrapper/gradle-wrapper.jar b/reactive/rsocket/hello-security/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/reactive/rsocket/hello-security/gradle/wrapper/gradle-wrapper.jar and b/reactive/rsocket/hello-security/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/reactive/rsocket/hello-security/gradle/wrapper/gradle-wrapper.properties b/reactive/rsocket/hello-security/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/reactive/rsocket/hello-security/gradle/wrapper/gradle-wrapper.properties
+++ b/reactive/rsocket/hello-security/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/reactive/rsocket/hello-security/gradlew b/reactive/rsocket/hello-security/gradlew
index a69d9cb..65dcd68 100755
--- a/reactive/rsocket/hello-security/gradlew
+++ b/reactive/rsocket/hello-security/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/reactive/rsocket/hello-security/gradlew.bat b/reactive/rsocket/hello-security/gradlew.bat
index 53a6b23..6689b85 100644
--- a/reactive/rsocket/hello-security/gradlew.bat
+++ b/reactive/rsocket/hello-security/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/reactive/webflux-fn/hello-security/gradle/wrapper/gradle-wrapper.jar b/reactive/webflux-fn/hello-security/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/reactive/webflux-fn/hello-security/gradle/wrapper/gradle-wrapper.jar and b/reactive/webflux-fn/hello-security/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/reactive/webflux-fn/hello-security/gradle/wrapper/gradle-wrapper.properties b/reactive/webflux-fn/hello-security/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/reactive/webflux-fn/hello-security/gradle/wrapper/gradle-wrapper.properties
+++ b/reactive/webflux-fn/hello-security/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/reactive/webflux-fn/hello-security/gradlew b/reactive/webflux-fn/hello-security/gradlew
index a69d9cb..65dcd68 100755
--- a/reactive/webflux-fn/hello-security/gradlew
+++ b/reactive/webflux-fn/hello-security/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/reactive/webflux-fn/hello-security/gradlew.bat b/reactive/webflux-fn/hello-security/gradlew.bat
index 53a6b23..6689b85 100644
--- a/reactive/webflux-fn/hello-security/gradlew.bat
+++ b/reactive/webflux-fn/hello-security/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/reactive/webflux-fn/hello/gradle/wrapper/gradle-wrapper.jar b/reactive/webflux-fn/hello/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/reactive/webflux-fn/hello/gradle/wrapper/gradle-wrapper.jar and b/reactive/webflux-fn/hello/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/reactive/webflux-fn/hello/gradle/wrapper/gradle-wrapper.properties b/reactive/webflux-fn/hello/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/reactive/webflux-fn/hello/gradle/wrapper/gradle-wrapper.properties
+++ b/reactive/webflux-fn/hello/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/reactive/webflux-fn/hello/gradlew b/reactive/webflux-fn/hello/gradlew
index a69d9cb..65dcd68 100755
--- a/reactive/webflux-fn/hello/gradlew
+++ b/reactive/webflux-fn/hello/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/reactive/webflux-fn/hello/gradlew.bat b/reactive/webflux-fn/hello/gradlew.bat
index 53a6b23..6689b85 100644
--- a/reactive/webflux-fn/hello/gradlew.bat
+++ b/reactive/webflux-fn/hello/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/reactive/webflux/java/authentication/username-password/form/gradle/wrapper/gradle-wrapper.jar b/reactive/webflux/java/authentication/username-password/form/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/reactive/webflux/java/authentication/username-password/form/gradle/wrapper/gradle-wrapper.jar and b/reactive/webflux/java/authentication/username-password/form/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/reactive/webflux/java/authentication/username-password/form/gradle/wrapper/gradle-wrapper.properties b/reactive/webflux/java/authentication/username-password/form/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/reactive/webflux/java/authentication/username-password/form/gradle/wrapper/gradle-wrapper.properties
+++ b/reactive/webflux/java/authentication/username-password/form/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/reactive/webflux/java/authentication/username-password/form/gradlew b/reactive/webflux/java/authentication/username-password/form/gradlew
index a69d9cb..65dcd68 100755
--- a/reactive/webflux/java/authentication/username-password/form/gradlew
+++ b/reactive/webflux/java/authentication/username-password/form/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/reactive/webflux/java/authentication/username-password/form/gradlew.bat b/reactive/webflux/java/authentication/username-password/form/gradlew.bat
index 53a6b23..6689b85 100644
--- a/reactive/webflux/java/authentication/username-password/form/gradlew.bat
+++ b/reactive/webflux/java/authentication/username-password/form/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/reactive/webflux/java/authentication/x509/gradle/wrapper/gradle-wrapper.jar b/reactive/webflux/java/authentication/x509/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/reactive/webflux/java/authentication/x509/gradle/wrapper/gradle-wrapper.jar and b/reactive/webflux/java/authentication/x509/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/reactive/webflux/java/authentication/x509/gradle/wrapper/gradle-wrapper.properties b/reactive/webflux/java/authentication/x509/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/reactive/webflux/java/authentication/x509/gradle/wrapper/gradle-wrapper.properties
+++ b/reactive/webflux/java/authentication/x509/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/reactive/webflux/java/authentication/x509/gradlew b/reactive/webflux/java/authentication/x509/gradlew
index a69d9cb..65dcd68 100755
--- a/reactive/webflux/java/authentication/x509/gradlew
+++ b/reactive/webflux/java/authentication/x509/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/reactive/webflux/java/authentication/x509/gradlew.bat b/reactive/webflux/java/authentication/x509/gradlew.bat
index 53a6b23..6689b85 100644
--- a/reactive/webflux/java/authentication/x509/gradlew.bat
+++ b/reactive/webflux/java/authentication/x509/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/reactive/webflux/java/hello-security-explicit/gradle/wrapper/gradle-wrapper.jar b/reactive/webflux/java/hello-security-explicit/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/reactive/webflux/java/hello-security-explicit/gradle/wrapper/gradle-wrapper.jar and b/reactive/webflux/java/hello-security-explicit/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/reactive/webflux/java/hello-security-explicit/gradle/wrapper/gradle-wrapper.properties b/reactive/webflux/java/hello-security-explicit/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/reactive/webflux/java/hello-security-explicit/gradle/wrapper/gradle-wrapper.properties
+++ b/reactive/webflux/java/hello-security-explicit/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/reactive/webflux/java/hello-security-explicit/gradlew b/reactive/webflux/java/hello-security-explicit/gradlew
index a69d9cb..65dcd68 100755
--- a/reactive/webflux/java/hello-security-explicit/gradlew
+++ b/reactive/webflux/java/hello-security-explicit/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/reactive/webflux/java/hello-security-explicit/gradlew.bat b/reactive/webflux/java/hello-security-explicit/gradlew.bat
index 53a6b23..6689b85 100644
--- a/reactive/webflux/java/hello-security-explicit/gradlew.bat
+++ b/reactive/webflux/java/hello-security-explicit/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/reactive/webflux/java/hello-security/gradle/wrapper/gradle-wrapper.jar b/reactive/webflux/java/hello-security/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/reactive/webflux/java/hello-security/gradle/wrapper/gradle-wrapper.jar and b/reactive/webflux/java/hello-security/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/reactive/webflux/java/hello-security/gradle/wrapper/gradle-wrapper.properties b/reactive/webflux/java/hello-security/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/reactive/webflux/java/hello-security/gradle/wrapper/gradle-wrapper.properties
+++ b/reactive/webflux/java/hello-security/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/reactive/webflux/java/hello-security/gradlew b/reactive/webflux/java/hello-security/gradlew
index a69d9cb..65dcd68 100755
--- a/reactive/webflux/java/hello-security/gradlew
+++ b/reactive/webflux/java/hello-security/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/reactive/webflux/java/hello-security/gradlew.bat b/reactive/webflux/java/hello-security/gradlew.bat
index 53a6b23..6689b85 100644
--- a/reactive/webflux/java/hello-security/gradlew.bat
+++ b/reactive/webflux/java/hello-security/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/reactive/webflux/java/hello/gradle/wrapper/gradle-wrapper.jar b/reactive/webflux/java/hello/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/reactive/webflux/java/hello/gradle/wrapper/gradle-wrapper.jar and b/reactive/webflux/java/hello/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/reactive/webflux/java/hello/gradle/wrapper/gradle-wrapper.properties b/reactive/webflux/java/hello/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/reactive/webflux/java/hello/gradle/wrapper/gradle-wrapper.properties
+++ b/reactive/webflux/java/hello/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/reactive/webflux/java/hello/gradlew b/reactive/webflux/java/hello/gradlew
index a69d9cb..65dcd68 100755
--- a/reactive/webflux/java/hello/gradlew
+++ b/reactive/webflux/java/hello/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/reactive/webflux/java/hello/gradlew.bat b/reactive/webflux/java/hello/gradlew.bat
index 53a6b23..6689b85 100644
--- a/reactive/webflux/java/hello/gradlew.bat
+++ b/reactive/webflux/java/hello/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/reactive/webflux/java/method/gradle/wrapper/gradle-wrapper.properties b/reactive/webflux/java/method/gradle/wrapper/gradle-wrapper.properties
index 98debb8..db9a6b8 100644
--- a/reactive/webflux/java/method/gradle/wrapper/gradle-wrapper.properties
+++ b/reactive/webflux/java/method/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/reactive/webflux/java/oauth2/login/gradle/wrapper/gradle-wrapper.jar b/reactive/webflux/java/oauth2/login/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/reactive/webflux/java/oauth2/login/gradle/wrapper/gradle-wrapper.jar and b/reactive/webflux/java/oauth2/login/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/reactive/webflux/java/oauth2/login/gradle/wrapper/gradle-wrapper.properties b/reactive/webflux/java/oauth2/login/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/reactive/webflux/java/oauth2/login/gradle/wrapper/gradle-wrapper.properties
+++ b/reactive/webflux/java/oauth2/login/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/reactive/webflux/java/oauth2/login/gradlew b/reactive/webflux/java/oauth2/login/gradlew
index a69d9cb..65dcd68 100755
--- a/reactive/webflux/java/oauth2/login/gradlew
+++ b/reactive/webflux/java/oauth2/login/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/reactive/webflux/java/oauth2/login/gradlew.bat b/reactive/webflux/java/oauth2/login/gradlew.bat
index 53a6b23..6689b85 100644
--- a/reactive/webflux/java/oauth2/login/gradlew.bat
+++ b/reactive/webflux/java/oauth2/login/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/reactive/webflux/java/oauth2/resource-server/gradle/wrapper/gradle-wrapper.jar b/reactive/webflux/java/oauth2/resource-server/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/reactive/webflux/java/oauth2/resource-server/gradle/wrapper/gradle-wrapper.jar and b/reactive/webflux/java/oauth2/resource-server/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/reactive/webflux/java/oauth2/resource-server/gradle/wrapper/gradle-wrapper.properties b/reactive/webflux/java/oauth2/resource-server/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/reactive/webflux/java/oauth2/resource-server/gradle/wrapper/gradle-wrapper.properties
+++ b/reactive/webflux/java/oauth2/resource-server/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/reactive/webflux/java/oauth2/resource-server/gradlew b/reactive/webflux/java/oauth2/resource-server/gradlew
index a69d9cb..65dcd68 100755
--- a/reactive/webflux/java/oauth2/resource-server/gradlew
+++ b/reactive/webflux/java/oauth2/resource-server/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/reactive/webflux/java/oauth2/resource-server/gradlew.bat b/reactive/webflux/java/oauth2/resource-server/gradlew.bat
index 53a6b23..6689b85 100644
--- a/reactive/webflux/java/oauth2/resource-server/gradlew.bat
+++ b/reactive/webflux/java/oauth2/resource-server/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/reactive/webflux/java/oauth2/webclient/gradle/wrapper/gradle-wrapper.jar b/reactive/webflux/java/oauth2/webclient/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/reactive/webflux/java/oauth2/webclient/gradle/wrapper/gradle-wrapper.jar and b/reactive/webflux/java/oauth2/webclient/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/reactive/webflux/java/oauth2/webclient/gradle/wrapper/gradle-wrapper.properties b/reactive/webflux/java/oauth2/webclient/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/reactive/webflux/java/oauth2/webclient/gradle/wrapper/gradle-wrapper.properties
+++ b/reactive/webflux/java/oauth2/webclient/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/reactive/webflux/java/oauth2/webclient/gradlew b/reactive/webflux/java/oauth2/webclient/gradlew
index a69d9cb..65dcd68 100755
--- a/reactive/webflux/java/oauth2/webclient/gradlew
+++ b/reactive/webflux/java/oauth2/webclient/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/reactive/webflux/java/oauth2/webclient/gradlew.bat b/reactive/webflux/java/oauth2/webclient/gradlew.bat
index 53a6b23..6689b85 100644
--- a/reactive/webflux/java/oauth2/webclient/gradlew.bat
+++ b/reactive/webflux/java/oauth2/webclient/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/reactive/webflux/kotlin/hello-security/gradle/wrapper/gradle-wrapper.properties b/reactive/webflux/kotlin/hello-security/gradle/wrapper/gradle-wrapper.properties
index 98debb8..db9a6b8 100644
--- a/reactive/webflux/kotlin/hello-security/gradle/wrapper/gradle-wrapper.properties
+++ b/reactive/webflux/kotlin/hello-security/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/java-configuration/aspectj/gradle/wrapper/gradle-wrapper.jar b/servlet/java-configuration/aspectj/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/servlet/java-configuration/aspectj/gradle/wrapper/gradle-wrapper.jar and b/servlet/java-configuration/aspectj/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/java-configuration/aspectj/gradle/wrapper/gradle-wrapper.properties b/servlet/java-configuration/aspectj/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/servlet/java-configuration/aspectj/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/java-configuration/aspectj/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/java-configuration/aspectj/gradlew b/servlet/java-configuration/aspectj/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/java-configuration/aspectj/gradlew
+++ b/servlet/java-configuration/aspectj/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/java-configuration/aspectj/gradlew.bat b/servlet/java-configuration/aspectj/gradlew.bat
index 53a6b23..6689b85 100644
--- a/servlet/java-configuration/aspectj/gradlew.bat
+++ b/servlet/java-configuration/aspectj/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/java-configuration/authentication/preauth/gradle/wrapper/gradle-wrapper.jar b/servlet/java-configuration/authentication/preauth/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/servlet/java-configuration/authentication/preauth/gradle/wrapper/gradle-wrapper.jar and b/servlet/java-configuration/authentication/preauth/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/java-configuration/authentication/preauth/gradle/wrapper/gradle-wrapper.properties b/servlet/java-configuration/authentication/preauth/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/servlet/java-configuration/authentication/preauth/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/java-configuration/authentication/preauth/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/java-configuration/authentication/preauth/gradlew b/servlet/java-configuration/authentication/preauth/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/java-configuration/authentication/preauth/gradlew
+++ b/servlet/java-configuration/authentication/preauth/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/java-configuration/authentication/preauth/gradlew.bat b/servlet/java-configuration/authentication/preauth/gradlew.bat
index 53a6b23..6689b85 100644
--- a/servlet/java-configuration/authentication/preauth/gradlew.bat
+++ b/servlet/java-configuration/authentication/preauth/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/java-configuration/authentication/remember-me/gradle/wrapper/gradle-wrapper.jar b/servlet/java-configuration/authentication/remember-me/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/servlet/java-configuration/authentication/remember-me/gradle/wrapper/gradle-wrapper.jar and b/servlet/java-configuration/authentication/remember-me/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/java-configuration/authentication/remember-me/gradle/wrapper/gradle-wrapper.properties b/servlet/java-configuration/authentication/remember-me/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/servlet/java-configuration/authentication/remember-me/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/java-configuration/authentication/remember-me/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/java-configuration/authentication/remember-me/gradlew b/servlet/java-configuration/authentication/remember-me/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/java-configuration/authentication/remember-me/gradlew
+++ b/servlet/java-configuration/authentication/remember-me/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/java-configuration/authentication/remember-me/gradlew.bat b/servlet/java-configuration/authentication/remember-me/gradlew.bat
index 53a6b23..6689b85 100644
--- a/servlet/java-configuration/authentication/remember-me/gradlew.bat
+++ b/servlet/java-configuration/authentication/remember-me/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/java-configuration/authentication/username-password/form/gradle/wrapper/gradle-wrapper.jar b/servlet/java-configuration/authentication/username-password/form/gradle/wrapper/gradle-wrapper.jar
index 62d4c05..249e583 100644
Binary files a/servlet/java-configuration/authentication/username-password/form/gradle/wrapper/gradle-wrapper.jar and b/servlet/java-configuration/authentication/username-password/form/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/java-configuration/authentication/username-password/form/gradle/wrapper/gradle-wrapper.properties b/servlet/java-configuration/authentication/username-password/form/gradle/wrapper/gradle-wrapper.properties
index 9256e2f..db9a6b8 100644
--- a/servlet/java-configuration/authentication/username-password/form/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/java-configuration/authentication/username-password/form/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https://services.gradle.org/distributions/gradle-7.5.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/java-configuration/authentication/username-password/in-memory/gradle/wrapper/gradle-wrapper.jar b/servlet/java-configuration/authentication/username-password/in-memory/gradle/wrapper/gradle-wrapper.jar
index 62d4c05..249e583 100644
Binary files a/servlet/java-configuration/authentication/username-password/in-memory/gradle/wrapper/gradle-wrapper.jar and b/servlet/java-configuration/authentication/username-password/in-memory/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/java-configuration/authentication/username-password/in-memory/gradle/wrapper/gradle-wrapper.properties b/servlet/java-configuration/authentication/username-password/in-memory/gradle/wrapper/gradle-wrapper.properties
index 9256e2f..db9a6b8 100644
--- a/servlet/java-configuration/authentication/username-password/in-memory/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/java-configuration/authentication/username-password/in-memory/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https://services.gradle.org/distributions/gradle-7.5.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/java-configuration/authentication/username-password/jdbc/gradle/wrapper/gradle-wrapper.jar b/servlet/java-configuration/authentication/username-password/jdbc/gradle/wrapper/gradle-wrapper.jar
index 62d4c05..249e583 100644
Binary files a/servlet/java-configuration/authentication/username-password/jdbc/gradle/wrapper/gradle-wrapper.jar and b/servlet/java-configuration/authentication/username-password/jdbc/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/java-configuration/authentication/username-password/jdbc/gradle/wrapper/gradle-wrapper.properties b/servlet/java-configuration/authentication/username-password/jdbc/gradle/wrapper/gradle-wrapper.properties
index 9256e2f..db9a6b8 100644
--- a/servlet/java-configuration/authentication/username-password/jdbc/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/java-configuration/authentication/username-password/jdbc/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https://services.gradle.org/distributions/gradle-7.5.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/java-configuration/authentication/username-password/ldap/gradle/wrapper/gradle-wrapper.jar b/servlet/java-configuration/authentication/username-password/ldap/gradle/wrapper/gradle-wrapper.jar
index 62d4c05..249e583 100644
Binary files a/servlet/java-configuration/authentication/username-password/ldap/gradle/wrapper/gradle-wrapper.jar and b/servlet/java-configuration/authentication/username-password/ldap/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/java-configuration/authentication/username-password/ldap/gradle/wrapper/gradle-wrapper.properties b/servlet/java-configuration/authentication/username-password/ldap/gradle/wrapper/gradle-wrapper.properties
index 9256e2f..db9a6b8 100644
--- a/servlet/java-configuration/authentication/username-password/ldap/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/java-configuration/authentication/username-password/ldap/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https://services.gradle.org/distributions/gradle-7.5.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/java-configuration/authentication/x509/gradle/wrapper/gradle-wrapper.jar b/servlet/java-configuration/authentication/x509/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/servlet/java-configuration/authentication/x509/gradle/wrapper/gradle-wrapper.jar and b/servlet/java-configuration/authentication/x509/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/java-configuration/authentication/x509/gradle/wrapper/gradle-wrapper.properties b/servlet/java-configuration/authentication/x509/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/servlet/java-configuration/authentication/x509/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/java-configuration/authentication/x509/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/java-configuration/authentication/x509/gradlew b/servlet/java-configuration/authentication/x509/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/java-configuration/authentication/x509/gradlew
+++ b/servlet/java-configuration/authentication/x509/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/java-configuration/authentication/x509/gradlew.bat b/servlet/java-configuration/authentication/x509/gradlew.bat
index 53a6b23..6689b85 100644
--- a/servlet/java-configuration/authentication/x509/gradlew.bat
+++ b/servlet/java-configuration/authentication/x509/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/java-configuration/data/gradle/wrapper/gradle-wrapper.jar b/servlet/java-configuration/data/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/servlet/java-configuration/data/gradle/wrapper/gradle-wrapper.jar and b/servlet/java-configuration/data/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/java-configuration/data/gradle/wrapper/gradle-wrapper.properties b/servlet/java-configuration/data/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/servlet/java-configuration/data/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/java-configuration/data/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/java-configuration/data/gradlew b/servlet/java-configuration/data/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/java-configuration/data/gradlew
+++ b/servlet/java-configuration/data/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/java-configuration/data/gradlew.bat b/servlet/java-configuration/data/gradlew.bat
index 53a6b23..6689b85 100644
--- a/servlet/java-configuration/data/gradlew.bat
+++ b/servlet/java-configuration/data/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/java-configuration/hello-mvc-security/gradle/wrapper/gradle-wrapper.jar b/servlet/java-configuration/hello-mvc-security/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/servlet/java-configuration/hello-mvc-security/gradle/wrapper/gradle-wrapper.jar and b/servlet/java-configuration/hello-mvc-security/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/java-configuration/hello-mvc-security/gradle/wrapper/gradle-wrapper.properties b/servlet/java-configuration/hello-mvc-security/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/servlet/java-configuration/hello-mvc-security/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/java-configuration/hello-mvc-security/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/java-configuration/hello-mvc-security/gradlew b/servlet/java-configuration/hello-mvc-security/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/java-configuration/hello-mvc-security/gradlew
+++ b/servlet/java-configuration/hello-mvc-security/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/java-configuration/hello-mvc-security/gradlew.bat b/servlet/java-configuration/hello-mvc-security/gradlew.bat
index 53a6b23..6689b85 100644
--- a/servlet/java-configuration/hello-mvc-security/gradlew.bat
+++ b/servlet/java-configuration/hello-mvc-security/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/java-configuration/hello-security-explicit/gradle/wrapper/gradle-wrapper.jar b/servlet/java-configuration/hello-security-explicit/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/servlet/java-configuration/hello-security-explicit/gradle/wrapper/gradle-wrapper.jar and b/servlet/java-configuration/hello-security-explicit/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/java-configuration/hello-security-explicit/gradle/wrapper/gradle-wrapper.properties b/servlet/java-configuration/hello-security-explicit/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/servlet/java-configuration/hello-security-explicit/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/java-configuration/hello-security-explicit/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/java-configuration/hello-security-explicit/gradlew b/servlet/java-configuration/hello-security-explicit/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/java-configuration/hello-security-explicit/gradlew
+++ b/servlet/java-configuration/hello-security-explicit/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/java-configuration/hello-security-explicit/gradlew.bat b/servlet/java-configuration/hello-security-explicit/gradlew.bat
index 53a6b23..6689b85 100644
--- a/servlet/java-configuration/hello-security-explicit/gradlew.bat
+++ b/servlet/java-configuration/hello-security-explicit/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/java-configuration/hello-security/gradle/wrapper/gradle-wrapper.jar b/servlet/java-configuration/hello-security/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/servlet/java-configuration/hello-security/gradle/wrapper/gradle-wrapper.jar and b/servlet/java-configuration/hello-security/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/java-configuration/hello-security/gradle/wrapper/gradle-wrapper.properties b/servlet/java-configuration/hello-security/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/servlet/java-configuration/hello-security/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/java-configuration/hello-security/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/java-configuration/hello-security/gradlew b/servlet/java-configuration/hello-security/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/java-configuration/hello-security/gradlew
+++ b/servlet/java-configuration/hello-security/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/java-configuration/hello-security/gradlew.bat b/servlet/java-configuration/hello-security/gradlew.bat
index 53a6b23..6689b85 100644
--- a/servlet/java-configuration/hello-security/gradlew.bat
+++ b/servlet/java-configuration/hello-security/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/java-configuration/max-sessions/gradle/wrapper/gradle-wrapper.jar b/servlet/java-configuration/max-sessions/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/servlet/java-configuration/max-sessions/gradle/wrapper/gradle-wrapper.jar and b/servlet/java-configuration/max-sessions/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/java-configuration/max-sessions/gradle/wrapper/gradle-wrapper.properties b/servlet/java-configuration/max-sessions/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/servlet/java-configuration/max-sessions/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/java-configuration/max-sessions/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/java-configuration/max-sessions/gradlew b/servlet/java-configuration/max-sessions/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/java-configuration/max-sessions/gradlew
+++ b/servlet/java-configuration/max-sessions/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/java-configuration/max-sessions/gradlew.bat b/servlet/java-configuration/max-sessions/gradlew.bat
index 53a6b23..6689b85 100644
--- a/servlet/java-configuration/max-sessions/gradlew.bat
+++ b/servlet/java-configuration/max-sessions/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/java-configuration/saml2/login/gradle/wrapper/gradle-wrapper.jar b/servlet/java-configuration/saml2/login/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/servlet/java-configuration/saml2/login/gradle/wrapper/gradle-wrapper.jar and b/servlet/java-configuration/saml2/login/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/java-configuration/saml2/login/gradle/wrapper/gradle-wrapper.properties b/servlet/java-configuration/saml2/login/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/servlet/java-configuration/saml2/login/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/java-configuration/saml2/login/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/java-configuration/saml2/login/gradlew b/servlet/java-configuration/saml2/login/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/java-configuration/saml2/login/gradlew
+++ b/servlet/java-configuration/saml2/login/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/java-configuration/saml2/login/gradlew.bat b/servlet/java-configuration/saml2/login/gradlew.bat
index 53a6b23..6689b85 100644
--- a/servlet/java-configuration/saml2/login/gradlew.bat
+++ b/servlet/java-configuration/saml2/login/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/spring-boot/java/authentication/username-password/mfa/gradle/wrapper/gradle-wrapper.jar b/servlet/spring-boot/java/authentication/username-password/mfa/gradle/wrapper/gradle-wrapper.jar
index 62d4c05..249e583 100644
Binary files a/servlet/spring-boot/java/authentication/username-password/mfa/gradle/wrapper/gradle-wrapper.jar and b/servlet/spring-boot/java/authentication/username-password/mfa/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/spring-boot/java/authentication/username-password/mfa/gradle/wrapper/gradle-wrapper.properties b/servlet/spring-boot/java/authentication/username-password/mfa/gradle/wrapper/gradle-wrapper.properties
index 9256e2f..db9a6b8 100644
--- a/servlet/spring-boot/java/authentication/username-password/mfa/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/spring-boot/java/authentication/username-password/mfa/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https://services.gradle.org/distributions/gradle-7.5.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/spring-boot/java/authentication/username-password/user-details-service/custom-user/gradle/wrapper/gradle-wrapper.jar b/servlet/spring-boot/java/authentication/username-password/user-details-service/custom-user/gradle/wrapper/gradle-wrapper.jar
index 62d4c05..249e583 100644
Binary files a/servlet/spring-boot/java/authentication/username-password/user-details-service/custom-user/gradle/wrapper/gradle-wrapper.jar and b/servlet/spring-boot/java/authentication/username-password/user-details-service/custom-user/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/spring-boot/java/authentication/username-password/user-details-service/custom-user/gradle/wrapper/gradle-wrapper.properties b/servlet/spring-boot/java/authentication/username-password/user-details-service/custom-user/gradle/wrapper/gradle-wrapper.properties
index 9256e2f..db9a6b8 100644
--- a/servlet/spring-boot/java/authentication/username-password/user-details-service/custom-user/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/spring-boot/java/authentication/username-password/user-details-service/custom-user/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https://services.gradle.org/distributions/gradle-7.5.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/spring-boot/java/hello-security-explicit/gradle/wrapper/gradle-wrapper.jar b/servlet/spring-boot/java/hello-security-explicit/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/servlet/spring-boot/java/hello-security-explicit/gradle/wrapper/gradle-wrapper.jar and b/servlet/spring-boot/java/hello-security-explicit/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/spring-boot/java/hello-security-explicit/gradle/wrapper/gradle-wrapper.properties b/servlet/spring-boot/java/hello-security-explicit/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/servlet/spring-boot/java/hello-security-explicit/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/spring-boot/java/hello-security-explicit/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/spring-boot/java/hello-security-explicit/gradlew b/servlet/spring-boot/java/hello-security-explicit/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/spring-boot/java/hello-security-explicit/gradlew
+++ b/servlet/spring-boot/java/hello-security-explicit/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/spring-boot/java/hello-security-explicit/gradlew.bat b/servlet/spring-boot/java/hello-security-explicit/gradlew.bat
index 53a6b23..6689b85 100644
--- a/servlet/spring-boot/java/hello-security-explicit/gradlew.bat
+++ b/servlet/spring-boot/java/hello-security-explicit/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/spring-boot/java/hello-security/gradle/wrapper/gradle-wrapper.jar b/servlet/spring-boot/java/hello-security/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/servlet/spring-boot/java/hello-security/gradle/wrapper/gradle-wrapper.jar and b/servlet/spring-boot/java/hello-security/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/spring-boot/java/hello-security/gradle/wrapper/gradle-wrapper.properties b/servlet/spring-boot/java/hello-security/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/servlet/spring-boot/java/hello-security/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/spring-boot/java/hello-security/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/spring-boot/java/hello-security/gradlew b/servlet/spring-boot/java/hello-security/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/spring-boot/java/hello-security/gradlew
+++ b/servlet/spring-boot/java/hello-security/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/spring-boot/java/hello-security/gradlew.bat b/servlet/spring-boot/java/hello-security/gradlew.bat
index 53a6b23..6689b85 100644
--- a/servlet/spring-boot/java/hello-security/gradlew.bat
+++ b/servlet/spring-boot/java/hello-security/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/spring-boot/java/hello/gradle/wrapper/gradle-wrapper.jar b/servlet/spring-boot/java/hello/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/servlet/spring-boot/java/hello/gradle/wrapper/gradle-wrapper.jar and b/servlet/spring-boot/java/hello/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/spring-boot/java/hello/gradle/wrapper/gradle-wrapper.properties b/servlet/spring-boot/java/hello/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/servlet/spring-boot/java/hello/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/spring-boot/java/hello/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/spring-boot/java/hello/gradlew b/servlet/spring-boot/java/hello/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/spring-boot/java/hello/gradlew
+++ b/servlet/spring-boot/java/hello/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/spring-boot/java/hello/gradlew.bat b/servlet/spring-boot/java/hello/gradlew.bat
index 53a6b23..6689b85 100644
--- a/servlet/spring-boot/java/hello/gradlew.bat
+++ b/servlet/spring-boot/java/hello/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/spring-boot/java/jwt/login/gradle/wrapper/gradle-wrapper.jar b/servlet/spring-boot/java/jwt/login/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/servlet/spring-boot/java/jwt/login/gradle/wrapper/gradle-wrapper.jar and b/servlet/spring-boot/java/jwt/login/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/spring-boot/java/jwt/login/gradle/wrapper/gradle-wrapper.properties b/servlet/spring-boot/java/jwt/login/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/servlet/spring-boot/java/jwt/login/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/spring-boot/java/jwt/login/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/spring-boot/java/jwt/login/gradlew b/servlet/spring-boot/java/jwt/login/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/spring-boot/java/jwt/login/gradlew
+++ b/servlet/spring-boot/java/jwt/login/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/spring-boot/java/jwt/login/gradlew.bat b/servlet/spring-boot/java/jwt/login/gradlew.bat
index 53a6b23..6689b85 100644
--- a/servlet/spring-boot/java/jwt/login/gradlew.bat
+++ b/servlet/spring-boot/java/jwt/login/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/spring-boot/java/ldap/gradle/wrapper/gradle-wrapper.jar b/servlet/spring-boot/java/ldap/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/servlet/spring-boot/java/ldap/gradle/wrapper/gradle-wrapper.jar and b/servlet/spring-boot/java/ldap/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/spring-boot/java/ldap/gradle/wrapper/gradle-wrapper.properties b/servlet/spring-boot/java/ldap/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/servlet/spring-boot/java/ldap/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/spring-boot/java/ldap/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/spring-boot/java/ldap/gradlew b/servlet/spring-boot/java/ldap/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/spring-boot/java/ldap/gradlew
+++ b/servlet/spring-boot/java/ldap/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/spring-boot/java/ldap/gradlew.bat b/servlet/spring-boot/java/ldap/gradlew.bat
index 53a6b23..6689b85 100644
--- a/servlet/spring-boot/java/ldap/gradlew.bat
+++ b/servlet/spring-boot/java/ldap/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/spring-boot/java/oauth2/authorization-server/gradle/wrapper/gradle-wrapper.jar b/servlet/spring-boot/java/oauth2/authorization-server/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/servlet/spring-boot/java/oauth2/authorization-server/gradle/wrapper/gradle-wrapper.jar and b/servlet/spring-boot/java/oauth2/authorization-server/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/spring-boot/java/oauth2/authorization-server/gradle/wrapper/gradle-wrapper.properties b/servlet/spring-boot/java/oauth2/authorization-server/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/servlet/spring-boot/java/oauth2/authorization-server/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/spring-boot/java/oauth2/authorization-server/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/spring-boot/java/oauth2/authorization-server/gradlew b/servlet/spring-boot/java/oauth2/authorization-server/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/spring-boot/java/oauth2/authorization-server/gradlew
+++ b/servlet/spring-boot/java/oauth2/authorization-server/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/spring-boot/java/oauth2/authorization-server/gradlew.bat b/servlet/spring-boot/java/oauth2/authorization-server/gradlew.bat
index f127cfd..93e3f59 100644
--- a/servlet/spring-boot/java/oauth2/authorization-server/gradlew.bat
+++ b/servlet/spring-boot/java/oauth2/authorization-server/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/spring-boot/java/oauth2/login/gradle/wrapper/gradle-wrapper.jar b/servlet/spring-boot/java/oauth2/login/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/servlet/spring-boot/java/oauth2/login/gradle/wrapper/gradle-wrapper.jar and b/servlet/spring-boot/java/oauth2/login/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/spring-boot/java/oauth2/login/gradle/wrapper/gradle-wrapper.properties b/servlet/spring-boot/java/oauth2/login/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/servlet/spring-boot/java/oauth2/login/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/spring-boot/java/oauth2/login/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/spring-boot/java/oauth2/login/gradlew b/servlet/spring-boot/java/oauth2/login/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/spring-boot/java/oauth2/login/gradlew
+++ b/servlet/spring-boot/java/oauth2/login/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/spring-boot/java/oauth2/login/gradlew.bat b/servlet/spring-boot/java/oauth2/login/gradlew.bat
index 53a6b23..6689b85 100644
--- a/servlet/spring-boot/java/oauth2/login/gradlew.bat
+++ b/servlet/spring-boot/java/oauth2/login/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/spring-boot/java/oauth2/resource-server/hello-security/gradle/wrapper/gradle-wrapper.jar b/servlet/spring-boot/java/oauth2/resource-server/hello-security/gradle/wrapper/gradle-wrapper.jar
index 62d4c05..249e583 100644
Binary files a/servlet/spring-boot/java/oauth2/resource-server/hello-security/gradle/wrapper/gradle-wrapper.jar and b/servlet/spring-boot/java/oauth2/resource-server/hello-security/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/spring-boot/java/oauth2/resource-server/hello-security/gradle/wrapper/gradle-wrapper.properties b/servlet/spring-boot/java/oauth2/resource-server/hello-security/gradle/wrapper/gradle-wrapper.properties
index 9256e2f..db9a6b8 100644
--- a/servlet/spring-boot/java/oauth2/resource-server/hello-security/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/spring-boot/java/oauth2/resource-server/hello-security/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https://services.gradle.org/distributions/gradle-7.5.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/spring-boot/java/oauth2/resource-server/jwe/gradle/wrapper/gradle-wrapper.jar b/servlet/spring-boot/java/oauth2/resource-server/jwe/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/servlet/spring-boot/java/oauth2/resource-server/jwe/gradle/wrapper/gradle-wrapper.jar and b/servlet/spring-boot/java/oauth2/resource-server/jwe/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/spring-boot/java/oauth2/resource-server/jwe/gradle/wrapper/gradle-wrapper.properties b/servlet/spring-boot/java/oauth2/resource-server/jwe/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/servlet/spring-boot/java/oauth2/resource-server/jwe/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/spring-boot/java/oauth2/resource-server/jwe/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/spring-boot/java/oauth2/resource-server/jwe/gradlew b/servlet/spring-boot/java/oauth2/resource-server/jwe/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/spring-boot/java/oauth2/resource-server/jwe/gradlew
+++ b/servlet/spring-boot/java/oauth2/resource-server/jwe/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/spring-boot/java/oauth2/resource-server/jwe/gradlew.bat b/servlet/spring-boot/java/oauth2/resource-server/jwe/gradlew.bat
index 53a6b23..6689b85 100644
--- a/servlet/spring-boot/java/oauth2/resource-server/jwe/gradlew.bat
+++ b/servlet/spring-boot/java/oauth2/resource-server/jwe/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/gradle/wrapper/gradle-wrapper.jar b/servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/gradle/wrapper/gradle-wrapper.jar
index 62d4c05..249e583 100644
Binary files a/servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/gradle/wrapper/gradle-wrapper.jar and b/servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/gradle/wrapper/gradle-wrapper.properties b/servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/gradle/wrapper/gradle-wrapper.properties
index 9256e2f..db9a6b8 100644
--- a/servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https://services.gradle.org/distributions/gradle-7.5.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/spring-boot/java/oauth2/resource-server/opaque/gradle/wrapper/gradle-wrapper.jar b/servlet/spring-boot/java/oauth2/resource-server/opaque/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/servlet/spring-boot/java/oauth2/resource-server/opaque/gradle/wrapper/gradle-wrapper.jar and b/servlet/spring-boot/java/oauth2/resource-server/opaque/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/spring-boot/java/oauth2/resource-server/opaque/gradle/wrapper/gradle-wrapper.properties b/servlet/spring-boot/java/oauth2/resource-server/opaque/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/servlet/spring-boot/java/oauth2/resource-server/opaque/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/spring-boot/java/oauth2/resource-server/opaque/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/spring-boot/java/oauth2/resource-server/opaque/gradlew b/servlet/spring-boot/java/oauth2/resource-server/opaque/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/spring-boot/java/oauth2/resource-server/opaque/gradlew
+++ b/servlet/spring-boot/java/oauth2/resource-server/opaque/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/spring-boot/java/oauth2/resource-server/opaque/gradlew.bat b/servlet/spring-boot/java/oauth2/resource-server/opaque/gradlew.bat
index 53a6b23..6689b85 100644
--- a/servlet/spring-boot/java/oauth2/resource-server/opaque/gradlew.bat
+++ b/servlet/spring-boot/java/oauth2/resource-server/opaque/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/spring-boot/java/oauth2/resource-server/static/gradle/wrapper/gradle-wrapper.jar b/servlet/spring-boot/java/oauth2/resource-server/static/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/servlet/spring-boot/java/oauth2/resource-server/static/gradle/wrapper/gradle-wrapper.jar and b/servlet/spring-boot/java/oauth2/resource-server/static/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/spring-boot/java/oauth2/resource-server/static/gradle/wrapper/gradle-wrapper.properties b/servlet/spring-boot/java/oauth2/resource-server/static/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/servlet/spring-boot/java/oauth2/resource-server/static/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/spring-boot/java/oauth2/resource-server/static/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/spring-boot/java/oauth2/resource-server/static/gradlew b/servlet/spring-boot/java/oauth2/resource-server/static/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/spring-boot/java/oauth2/resource-server/static/gradlew
+++ b/servlet/spring-boot/java/oauth2/resource-server/static/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/spring-boot/java/oauth2/resource-server/static/gradlew.bat b/servlet/spring-boot/java/oauth2/resource-server/static/gradlew.bat
index 53a6b23..6689b85 100644
--- a/servlet/spring-boot/java/oauth2/resource-server/static/gradlew.bat
+++ b/servlet/spring-boot/java/oauth2/resource-server/static/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/spring-boot/java/oauth2/webclient/gradle/wrapper/gradle-wrapper.jar b/servlet/spring-boot/java/oauth2/webclient/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/servlet/spring-boot/java/oauth2/webclient/gradle/wrapper/gradle-wrapper.jar and b/servlet/spring-boot/java/oauth2/webclient/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/spring-boot/java/oauth2/webclient/gradle/wrapper/gradle-wrapper.properties b/servlet/spring-boot/java/oauth2/webclient/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/servlet/spring-boot/java/oauth2/webclient/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/spring-boot/java/oauth2/webclient/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/spring-boot/java/oauth2/webclient/gradlew b/servlet/spring-boot/java/oauth2/webclient/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/spring-boot/java/oauth2/webclient/gradlew
+++ b/servlet/spring-boot/java/oauth2/webclient/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/spring-boot/java/oauth2/webclient/gradlew.bat b/servlet/spring-boot/java/oauth2/webclient/gradlew.bat
index 53a6b23..6689b85 100644
--- a/servlet/spring-boot/java/oauth2/webclient/gradlew.bat
+++ b/servlet/spring-boot/java/oauth2/webclient/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/spring-boot/java/saml2/custom-urls/gradle/wrapper/gradle-wrapper.jar b/servlet/spring-boot/java/saml2/custom-urls/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/servlet/spring-boot/java/saml2/custom-urls/gradle/wrapper/gradle-wrapper.jar and b/servlet/spring-boot/java/saml2/custom-urls/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/spring-boot/java/saml2/custom-urls/gradle/wrapper/gradle-wrapper.properties b/servlet/spring-boot/java/saml2/custom-urls/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/servlet/spring-boot/java/saml2/custom-urls/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/spring-boot/java/saml2/custom-urls/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/spring-boot/java/saml2/custom-urls/gradlew b/servlet/spring-boot/java/saml2/custom-urls/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/spring-boot/java/saml2/custom-urls/gradlew
+++ b/servlet/spring-boot/java/saml2/custom-urls/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/spring-boot/java/saml2/custom-urls/gradlew.bat b/servlet/spring-boot/java/saml2/custom-urls/gradlew.bat
index 53a6b23..6689b85 100644
--- a/servlet/spring-boot/java/saml2/custom-urls/gradlew.bat
+++ b/servlet/spring-boot/java/saml2/custom-urls/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/spring-boot/java/saml2/login-single-tenant/gradle/wrapper/gradle-wrapper.jar b/servlet/spring-boot/java/saml2/login-single-tenant/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/servlet/spring-boot/java/saml2/login-single-tenant/gradle/wrapper/gradle-wrapper.jar and b/servlet/spring-boot/java/saml2/login-single-tenant/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/spring-boot/java/saml2/login-single-tenant/gradle/wrapper/gradle-wrapper.properties b/servlet/spring-boot/java/saml2/login-single-tenant/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/servlet/spring-boot/java/saml2/login-single-tenant/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/spring-boot/java/saml2/login-single-tenant/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/spring-boot/java/saml2/login-single-tenant/gradlew b/servlet/spring-boot/java/saml2/login-single-tenant/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/spring-boot/java/saml2/login-single-tenant/gradlew
+++ b/servlet/spring-boot/java/saml2/login-single-tenant/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/spring-boot/java/saml2/login-single-tenant/gradlew.bat b/servlet/spring-boot/java/saml2/login-single-tenant/gradlew.bat
index 53a6b23..6689b85 100644
--- a/servlet/spring-boot/java/saml2/login-single-tenant/gradlew.bat
+++ b/servlet/spring-boot/java/saml2/login-single-tenant/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/spring-boot/java/saml2/login/gradle/wrapper/gradle-wrapper.jar b/servlet/spring-boot/java/saml2/login/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/servlet/spring-boot/java/saml2/login/gradle/wrapper/gradle-wrapper.jar and b/servlet/spring-boot/java/saml2/login/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/spring-boot/java/saml2/login/gradle/wrapper/gradle-wrapper.properties b/servlet/spring-boot/java/saml2/login/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/servlet/spring-boot/java/saml2/login/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/spring-boot/java/saml2/login/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/spring-boot/java/saml2/login/gradlew b/servlet/spring-boot/java/saml2/login/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/spring-boot/java/saml2/login/gradlew
+++ b/servlet/spring-boot/java/saml2/login/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/spring-boot/java/saml2/login/gradlew.bat b/servlet/spring-boot/java/saml2/login/gradlew.bat
index 53a6b23..6689b85 100644
--- a/servlet/spring-boot/java/saml2/login/gradlew.bat
+++ b/servlet/spring-boot/java/saml2/login/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/spring-boot/java/saml2/refreshable-metadata/gradle/wrapper/gradle-wrapper.jar b/servlet/spring-boot/java/saml2/refreshable-metadata/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/servlet/spring-boot/java/saml2/refreshable-metadata/gradle/wrapper/gradle-wrapper.jar and b/servlet/spring-boot/java/saml2/refreshable-metadata/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/spring-boot/java/saml2/refreshable-metadata/gradle/wrapper/gradle-wrapper.properties b/servlet/spring-boot/java/saml2/refreshable-metadata/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/servlet/spring-boot/java/saml2/refreshable-metadata/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/spring-boot/java/saml2/refreshable-metadata/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/spring-boot/java/saml2/refreshable-metadata/gradlew b/servlet/spring-boot/java/saml2/refreshable-metadata/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/spring-boot/java/saml2/refreshable-metadata/gradlew
+++ b/servlet/spring-boot/java/saml2/refreshable-metadata/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/spring-boot/java/saml2/refreshable-metadata/gradlew.bat b/servlet/spring-boot/java/saml2/refreshable-metadata/gradlew.bat
index 53a6b23..6689b85 100644
--- a/servlet/spring-boot/java/saml2/refreshable-metadata/gradlew.bat
+++ b/servlet/spring-boot/java/saml2/refreshable-metadata/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/spring-boot/java/session-management/maximum-sessions-prevent-login/gradle/wrapper/gradle-wrapper.jar b/servlet/spring-boot/java/session-management/maximum-sessions-prevent-login/gradle/wrapper/gradle-wrapper.jar
index 249e583..943f0cb 100644
Binary files a/servlet/spring-boot/java/session-management/maximum-sessions-prevent-login/gradle/wrapper/gradle-wrapper.jar and b/servlet/spring-boot/java/session-management/maximum-sessions-prevent-login/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/spring-boot/java/session-management/maximum-sessions-prevent-login/gradle/wrapper/gradle-wrapper.properties b/servlet/spring-boot/java/session-management/maximum-sessions-prevent-login/gradle/wrapper/gradle-wrapper.properties
index 070cb70..c30b486 100644
--- a/servlet/spring-boot/java/session-management/maximum-sessions-prevent-login/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/spring-boot/java/session-management/maximum-sessions-prevent-login/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/spring-boot/java/session-management/maximum-sessions-prevent-login/gradlew b/servlet/spring-boot/java/session-management/maximum-sessions-prevent-login/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/spring-boot/java/session-management/maximum-sessions-prevent-login/gradlew
+++ b/servlet/spring-boot/java/session-management/maximum-sessions-prevent-login/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/spring-boot/java/session-management/maximum-sessions-prevent-login/gradlew.bat b/servlet/spring-boot/java/session-management/maximum-sessions-prevent-login/gradlew.bat
index 53a6b23..6689b85 100644
--- a/servlet/spring-boot/java/session-management/maximum-sessions-prevent-login/gradlew.bat
+++ b/servlet/spring-boot/java/session-management/maximum-sessions-prevent-login/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/spring-boot/java/session-management/maximum-sessions/gradle/wrapper/gradle-wrapper.jar b/servlet/spring-boot/java/session-management/maximum-sessions/gradle/wrapper/gradle-wrapper.jar
index 249e583..afba109 100644
Binary files a/servlet/spring-boot/java/session-management/maximum-sessions/gradle/wrapper/gradle-wrapper.jar and b/servlet/spring-boot/java/session-management/maximum-sessions/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/servlet/spring-boot/java/session-management/maximum-sessions/gradle/wrapper/gradle-wrapper.properties b/servlet/spring-boot/java/session-management/maximum-sessions/gradle/wrapper/gradle-wrapper.properties
index 98debb8..c30b486 100644
--- a/servlet/spring-boot/java/session-management/maximum-sessions/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/spring-boot/java/session-management/maximum-sessions/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/spring-boot/java/session-management/maximum-sessions/gradlew b/servlet/spring-boot/java/session-management/maximum-sessions/gradlew
index a69d9cb..65dcd68 100755
--- a/servlet/spring-boot/java/session-management/maximum-sessions/gradlew
+++ b/servlet/spring-boot/java/session-management/maximum-sessions/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
diff --git a/servlet/spring-boot/java/session-management/maximum-sessions/gradlew.bat b/servlet/spring-boot/java/session-management/maximum-sessions/gradlew.bat
index 53a6b23..6689b85 100644
--- a/servlet/spring-boot/java/session-management/maximum-sessions/gradlew.bat
+++ b/servlet/spring-boot/java/session-management/maximum-sessions/gradlew.bat
@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
diff --git a/servlet/spring-boot/kotlin/hello-security/gradle/wrapper/gradle-wrapper.properties b/servlet/spring-boot/kotlin/hello-security/gradle/wrapper/gradle-wrapper.properties
index 98debb8..db9a6b8 100644
--- a/servlet/spring-boot/kotlin/hello-security/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/spring-boot/kotlin/hello-security/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/xml/java/contacts/gradle/wrapper/gradle-wrapper.properties b/servlet/xml/java/contacts/gradle/wrapper/gradle-wrapper.properties
index 98debb8..db9a6b8 100644
--- a/servlet/xml/java/contacts/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/xml/java/contacts/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/xml/java/dms/gradle/wrapper/gradle-wrapper.properties b/servlet/xml/java/dms/gradle/wrapper/gradle-wrapper.properties
index 98debb8..db9a6b8 100644
--- a/servlet/xml/java/dms/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/xml/java/dms/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/xml/java/helloworld/gradle/wrapper/gradle-wrapper.properties b/servlet/xml/java/helloworld/gradle/wrapper/gradle-wrapper.properties
index 98debb8..db9a6b8 100644
--- a/servlet/xml/java/helloworld/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/xml/java/helloworld/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/xml/java/preauth/gradle/wrapper/gradle-wrapper.properties b/servlet/xml/java/preauth/gradle/wrapper/gradle-wrapper.properties
index 98debb8..db9a6b8 100644
--- a/servlet/xml/java/preauth/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/xml/java/preauth/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/xml/java/saml2/login-logout/gradle/wrapper/gradle-wrapper.properties b/servlet/xml/java/saml2/login-logout/gradle/wrapper/gradle-wrapper.properties
index 98debb8..db9a6b8 100644
--- a/servlet/xml/java/saml2/login-logout/gradle/wrapper/gradle-wrapper.properties
+++ b/servlet/xml/java/saml2/login-logout/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists