diff --git a/framework-platform/framework-platform.gradle b/framework-platform/framework-platform.gradle
index b0b42944a2..e66617a893 100644
--- a/framework-platform/framework-platform.gradle
+++ b/framework-platform/framework-platform.gradle
@@ -14,13 +14,13 @@ dependencies {
 	api(platform("io.projectreactor:reactor-bom:2023.0.0-RC1"))
 	api(platform("io.rsocket:rsocket-bom:1.1.3"))
 	api(platform("org.apache.groovy:groovy-bom:4.0.15"))
-	api(platform("org.apache.logging.log4j:log4j-bom:2.20.0"))
-	api(platform("org.eclipse.jetty:jetty-bom:12.0.2"))
-	api(platform("org.eclipse.jetty.ee10:jetty-ee10-bom:12.0.2"))
+	api(platform("org.apache.logging.log4j:log4j-bom:2.21.1"))
+	api(platform("org.eclipse.jetty:jetty-bom:12.0.3"))
+	api(platform("org.eclipse.jetty.ee10:jetty-ee10-bom:12.0.3"))
 	api(platform("org.jetbrains.kotlinx:kotlinx-coroutines-bom:1.7.3"))
 	api(platform("org.jetbrains.kotlinx:kotlinx-serialization-bom:1.6.0"))
 	api(platform("org.junit:junit-bom:5.10.1"))
-	api(platform("org.mockito:mockito-bom:5.6.0"))
+	api(platform("org.mockito:mockito-bom:5.7.0"))
 
 	constraints {
 		api("com.fasterxml:aalto-xml:1.3.2")
@@ -54,9 +54,9 @@ dependencies {
 		api("io.r2dbc:r2dbc-spi:1.0.0.RELEASE")
 		api("io.reactivex.rxjava3:rxjava:3.1.6")
 		api("io.smallrye.reactive:mutiny:1.9.0")
-		api("io.undertow:undertow-core:2.3.8.Final")
-		api("io.undertow:undertow-servlet:2.3.8.Final")
-		api("io.undertow:undertow-websockets-jsr:2.3.8.Final")
+		api("io.undertow:undertow-core:2.3.10.Final")
+		api("io.undertow:undertow-servlet:2.3.10.Final")
+		api("io.undertow:undertow-websockets-jsr:2.3.10.Final")
 		api("io.vavr:vavr:0.10.4")
 		api("jakarta.activation:jakarta.activation-api:2.0.1")
 		api("jakarta.annotation:jakarta.annotation-api:2.0.0")
@@ -102,10 +102,10 @@ dependencies {
 		api("org.apache.httpcomponents.client5:httpclient5:5.2.1")
 		api("org.apache.httpcomponents.core5:httpcore5-reactive:5.2.2")
 		api("org.apache.poi:poi-ooxml:5.2.3")
-		api("org.apache.tomcat.embed:tomcat-embed-core:10.1.14")
-		api("org.apache.tomcat.embed:tomcat-embed-websocket:10.1.14")
-		api("org.apache.tomcat:tomcat-util:10.1.14")
-		api("org.apache.tomcat:tomcat-websocket:10.1.14")
+		api("org.apache.tomcat.embed:tomcat-embed-core:10.1.15")
+		api("org.apache.tomcat.embed:tomcat-embed-websocket:10.1.15")
+		api("org.apache.tomcat:tomcat-util:10.1.15")
+		api("org.apache.tomcat:tomcat-websocket:10.1.15")
 		api("org.aspectj:aspectjrt:1.9.20.1")
 		api("org.aspectj:aspectjtools:1.9.20.1")
 		api("org.aspectj:aspectjweaver:1.9.20.1")
@@ -115,7 +115,7 @@ dependencies {
 		api("org.codehaus.jettison:jettison:1.5.4")
 		api("org.crac:crac:1.4.0")
 		api("org.dom4j:dom4j:2.1.4")
-		api("org.eclipse.jetty:jetty-reactive-httpclient:4.0.0")
+		api("org.eclipse.jetty:jetty-reactive-httpclient:4.0.1")
 		api("org.eclipse.persistence:org.eclipse.persistence.jpa:3.0.4")
 		api("org.eclipse:yasson:2.0.4")
 		api("org.ehcache:ehcache:3.10.8")
diff --git a/spring-jcl/src/main/java/org/apache/commons/logging/LogAdapter.java b/spring-jcl/src/main/java/org/apache/commons/logging/LogAdapter.java
index 49b47054db..021295d2dc 100644
--- a/spring-jcl/src/main/java/org/apache/commons/logging/LogAdapter.java
+++ b/spring-jcl/src/main/java/org/apache/commons/logging/LogAdapter.java
@@ -145,9 +145,12 @@ final class LogAdapter {
 		private static final LoggerContext loggerContext =
 				LogManager.getContext(Log4jLog.class.getClassLoader(), false);
 
-		private final ExtendedLogger logger;
+		private final String name;
+
+		private final transient ExtendedLogger logger;
 
 		public Log4jLog(String name) {
+			this.name = name;
 			LoggerContext context = loggerContext;
 			if (context == null) {
 				// Circular call in early-init scenario -> static field not initialized yet
@@ -261,6 +264,10 @@ final class LogAdapter {
 				this.logger.logIfEnabled(FQCN, level, null, message, exception);
 			}
 		}
+
+		protected Object readResolve() {
+			return new Log4jLog(this.name);
+		}
 	}
 
 
diff --git a/spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/CallMetaDataContext.java b/spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/CallMetaDataContext.java
index b90859395f..07650a8904 100755
--- a/spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/CallMetaDataContext.java
+++ b/spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/CallMetaDataContext.java
@@ -16,7 +16,6 @@
 
 package org.springframework.jdbc.core.metadata;
 
-import java.sql.DatabaseMetaData;
 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.LinkedHashMap;
@@ -434,14 +433,14 @@ public class CallMetaDataContext {
 					if (paramNameToUse == null) {
 						paramNameToUse = "";
 					}
-					if (meta.getParameterType() == DatabaseMetaData.procedureColumnOut) {
+					if (meta.isOutParameter()) {
 						workParams.add(provider.createDefaultOutParameter(paramNameToUse, meta));
 						outParamNames.add(paramNameToUse);
 						if (logger.isDebugEnabled()) {
 							logger.debug("Added meta-data out parameter for '" + paramNameToUse + "'");
 						}
 					}
-					else if (meta.getParameterType() == DatabaseMetaData.procedureColumnInOut) {
+					else if (meta.isInOutParameter()) {
 						workParams.add(provider.createDefaultInOutParameter(paramNameToUse, meta));
 						outParamNames.add(paramNameToUse);
 						if (logger.isDebugEnabled()) {
diff --git a/spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/CallParameterMetaData.java b/spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/CallParameterMetaData.java
index edce0df036..2b7a61c069 100644
--- a/spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/CallParameterMetaData.java
+++ b/spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/CallParameterMetaData.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -97,6 +97,28 @@ public class CallParameterMetaData {
 						this.parameterType == DatabaseMetaData.procedureColumnResult));
 	}
 
+	/**
+	 * Determine whether the declared parameter qualifies as an 'out' parameter
+	 * for our purposes: type {@link DatabaseMetaData#procedureColumnOut},
+	 * or in case of a function, {@link DatabaseMetaData#functionColumnOut}.
+	 * @since 5.3.31
+	 */
+	public boolean isOutParameter() {
+		return (this.function ? this.parameterType == DatabaseMetaData.functionColumnOut :
+				this.parameterType == DatabaseMetaData.procedureColumnOut);
+	}
+
+	/**
+	 * Determine whether the declared parameter qualifies as an 'in-out' parameter
+	 * for our purposes: type {@link DatabaseMetaData#procedureColumnInOut},
+	 * or in case of a function, {@link DatabaseMetaData#functionColumnInOut}.
+	 * @since 5.3.31
+	 */
+	public boolean isInOutParameter() {
+		return (this.function ? this.parameterType == DatabaseMetaData.functionColumnInOut :
+				this.parameterType == DatabaseMetaData.procedureColumnInOut);
+	}
+
 	/**
 	 * Return the parameter SQL type.
 	 */
diff --git a/spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/GenericCallMetaDataProvider.java b/spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/GenericCallMetaDataProvider.java
index 9608eb21e7..3822fae85b 100644
--- a/spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/GenericCallMetaDataProvider.java
+++ b/spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/GenericCallMetaDataProvider.java
@@ -273,6 +273,7 @@ public class GenericCallMetaDataProvider implements CallMetaDataProvider {
 	}
 
 
+	@Nullable
 	private String identifierNameToUse(@Nullable String identifierName) {
 		if (identifierName == null) {
 			return null;