diff --git a/booking-faces/pom.xml b/booking-faces/pom.xml
index 0efe4e0..b2156b1 100644
--- a/booking-faces/pom.xml
+++ b/booking-faces/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.webflow.samples</groupId>
 	<artifactId>booking-faces</artifactId>
diff --git a/booking-faces/src/main/resources/META-INF/persistence.xml b/booking-faces/src/main/resources/META-INF/persistence.xml
index 498b08c..63356b3 100755
--- a/booking-faces/src/main/resources/META-INF/persistence.xml
+++ b/booking-faces/src/main/resources/META-INF/persistence.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <persistence xmlns="http://java.sun.com/xml/ns/persistence" 
              xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-             xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd" 
+             xsi:schemaLocation="http://java.sun.com/xml/ns/persistence https://java.sun.com/xml/ns/persistence/persistence_1_0.xsd" 
              version="1.0">
    <persistence-unit name="bookingDatabase">
       <provider>org.hibernate.ejb.HibernatePersistence</provider>
diff --git a/booking-faces/src/main/webapp/WEB-INF/faces-config.xml b/booking-faces/src/main/webapp/WEB-INF/faces-config.xml
index 2893236..58e7f88 100644
--- a/booking-faces/src/main/webapp/WEB-INF/faces-config.xml
+++ b/booking-faces/src/main/webapp/WEB-INF/faces-config.xml
@@ -1,7 +1,7 @@
 <?xml version='1.0' encoding='UTF-8'?>
 <faces-config xmlns="http://java.sun.com/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-        xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-facesconfig_2_0.xsd"
+        xsi:schemaLocation="http://java.sun.com/xml/ns/javaee https://java.sun.com/xml/ns/javaee/web-facesconfig_2_0.xsd"
         version="2.0">
 
 	<application>
diff --git a/booking-faces/src/main/webapp/WEB-INF/flows/booking/booking-flow.xml b/booking-faces/src/main/webapp/WEB-INF/flows/booking/booking-flow.xml
index 5deff5b..f886503 100755
--- a/booking-faces/src/main/webapp/WEB-INF/flows/booking/booking-flow.xml
+++ b/booking-faces/src/main/webapp/WEB-INF/flows/booking/booking-flow.xml
@@ -3,7 +3,7 @@
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="
       	http://www.springframework.org/schema/webflow
-      	http://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd">
+      	https://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd">
 
 	<secured attributes="ROLE_USER" />
 
diff --git a/booking-faces/src/main/webapp/WEB-INF/flows/main/main-flow.xml b/booking-faces/src/main/webapp/WEB-INF/flows/main/main-flow.xml
index c08aa87..aafb481 100755
--- a/booking-faces/src/main/webapp/WEB-INF/flows/main/main-flow.xml
+++ b/booking-faces/src/main/webapp/WEB-INF/flows/main/main-flow.xml
@@ -3,7 +3,7 @@
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xsi:schemaLocation="
 		http://www.springframework.org/schema/webflow
-		http://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd">
+		https://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd">
 
 	<var name="searchCriteria" class="org.springframework.webflow.samples.booking.SearchCriteria"/>
 	
diff --git a/booking-faces/src/main/webapp/WEB-INF/springsecurity.taglib.xml b/booking-faces/src/main/webapp/WEB-INF/springsecurity.taglib.xml
index ea37d89..2c0dfbe 100644
--- a/booking-faces/src/main/webapp/WEB-INF/springsecurity.taglib.xml
+++ b/booking-faces/src/main/webapp/WEB-INF/springsecurity.taglib.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!DOCTYPE facelet-taglib PUBLIC
   "-//Sun Microsystems, Inc.//DTD Facelet Taglib 1.0//EN"
-  "http://java.sun.com/dtd/facelet-taglib_1_0.dtd">
+  "https://java.sun.com/dtd/facelet-taglib_1_0.dtd">
 <facelet-taglib>
 	<namespace>http://www.springframework.org/security/tags</namespace>
 	<tag>
diff --git a/booking-mvc/pom.xml b/booking-mvc/pom.xml
index 5c4e55c..9c92a65 100644
--- a/booking-mvc/pom.xml
+++ b/booking-mvc/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.webflow.samples</groupId>
 	<artifactId>booking-mvc</artifactId>
diff --git a/booking-mvc/src/main/resources/META-INF/persistence.xml b/booking-mvc/src/main/resources/META-INF/persistence.xml
index 498b08c..63356b3 100755
--- a/booking-mvc/src/main/resources/META-INF/persistence.xml
+++ b/booking-mvc/src/main/resources/META-INF/persistence.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <persistence xmlns="http://java.sun.com/xml/ns/persistence" 
              xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-             xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd" 
+             xsi:schemaLocation="http://java.sun.com/xml/ns/persistence https://java.sun.com/xml/ns/persistence/persistence_1_0.xsd" 
              version="1.0">
    <persistence-unit name="bookingDatabase">
       <provider>org.hibernate.ejb.HibernatePersistence</provider>
diff --git a/booking-mvc/src/main/webapp/WEB-INF/hotels/booking/booking-flow.xml b/booking-mvc/src/main/webapp/WEB-INF/hotels/booking/booking-flow.xml
index a29447a..d166884 100644
--- a/booking-mvc/src/main/webapp/WEB-INF/hotels/booking/booking-flow.xml
+++ b/booking-mvc/src/main/webapp/WEB-INF/hotels/booking/booking-flow.xml
@@ -3,7 +3,7 @@
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="
       	http://www.springframework.org/schema/webflow
-      	http://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd">
+      	https://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd">
 
 	<secured attributes="ROLE_USER" />
 
diff --git a/booking-mvc/src/main/webapp/WEB-INF/hotels/booking/views.xml b/booking-mvc/src/main/webapp/WEB-INF/hotels/booking/views.xml
index 974615e..d5c5fd7 100644
--- a/booking-mvc/src/main/webapp/WEB-INF/hotels/booking/views.xml
+++ b/booking-mvc/src/main/webapp/WEB-INF/hotels/booking/views.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE tiles-definitions PUBLIC
 		"-//Apache Software Foundation//DTD Tiles Configuration 3.0//EN"
-		"http://tiles.apache.org/dtds/tiles-config_3_0.dtd">
+		"https://tiles.apache.org/dtds/tiles-config_3_0.dtd">
 
 <tiles-definitions>
 	
diff --git a/booking-mvc/src/main/webapp/WEB-INF/hotels/views.xml b/booking-mvc/src/main/webapp/WEB-INF/hotels/views.xml
index 35d8a1d..ad0983d 100644
--- a/booking-mvc/src/main/webapp/WEB-INF/hotels/views.xml
+++ b/booking-mvc/src/main/webapp/WEB-INF/hotels/views.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE tiles-definitions PUBLIC
 		"-//Apache Software Foundation//DTD Tiles Configuration 3.0//EN"
-		"http://tiles.apache.org/dtds/tiles-config_3_0.dtd">
+		"https://tiles.apache.org/dtds/tiles-config_3_0.dtd">
 	
 <tiles-definitions>
 	
diff --git a/booking-mvc/src/main/webapp/WEB-INF/layouts/views.xml b/booking-mvc/src/main/webapp/WEB-INF/layouts/views.xml
index 3e75ddc..a5c7ddf 100644
--- a/booking-mvc/src/main/webapp/WEB-INF/layouts/views.xml
+++ b/booking-mvc/src/main/webapp/WEB-INF/layouts/views.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE tiles-definitions PUBLIC
 		"-//Apache Software Foundation//DTD Tiles Configuration 3.0//EN"
-		"http://tiles.apache.org/dtds/tiles-config_3_0.dtd">
+		"https://tiles.apache.org/dtds/tiles-config_3_0.dtd">
 
 <tiles-definitions>
 	
diff --git a/booking-mvc/src/main/webapp/WEB-INF/views.xml b/booking-mvc/src/main/webapp/WEB-INF/views.xml
index 6cb3a52..cc483c3 100644
--- a/booking-mvc/src/main/webapp/WEB-INF/views.xml
+++ b/booking-mvc/src/main/webapp/WEB-INF/views.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE tiles-definitions PUBLIC
 	"-//Apache Software Foundation//DTD Tiles Configuration 3.0//EN"
-	"http://tiles.apache.org/dtds/tiles-config_3_0.dtd">
+	"https://tiles.apache.org/dtds/tiles-config_3_0.dtd">
 	
 <tiles-definitions>
 	
diff --git a/pom.xml b/pom.xml
index a3fec2e..221378a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.webflow</groupId>
 	<artifactId>spring-webflow-samples</artifactId>
diff --git a/primefaces-showcase/pom.xml b/primefaces-showcase/pom.xml
index 9dbee5a..a71a88b 100644
--- a/primefaces-showcase/pom.xml
+++ b/primefaces-showcase/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.webflow.samples</groupId>
 	<artifactId>primefaces-showcase</artifactId>
diff --git a/primefaces-showcase/src/main/webapp/WEB-INF/faces-config.xml b/primefaces-showcase/src/main/webapp/WEB-INF/faces-config.xml
index a72b7fa..0d84f59 100644
--- a/primefaces-showcase/src/main/webapp/WEB-INF/faces-config.xml
+++ b/primefaces-showcase/src/main/webapp/WEB-INF/faces-config.xml
@@ -1,7 +1,7 @@
 <?xml version='1.0' encoding='UTF-8'?>
 <faces-config xmlns="http://java.sun.com/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-        xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-facesconfig_2_0.xsd"
+        xsi:schemaLocation="http://java.sun.com/xml/ns/javaee https://java.sun.com/xml/ns/javaee/web-facesconfig_2_0.xsd"
         version="2.0">
 
 	<application>
diff --git a/primefaces-showcase/src/main/webapp/WEB-INF/flows/ajax-jsf/flow.xml b/primefaces-showcase/src/main/webapp/WEB-INF/flows/ajax-jsf/flow.xml
index ddfb30f..2f21bfd 100644
--- a/primefaces-showcase/src/main/webapp/WEB-INF/flows/ajax-jsf/flow.xml
+++ b/primefaces-showcase/src/main/webapp/WEB-INF/flows/ajax-jsf/flow.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <flow xmlns="http://www.springframework.org/schema/webflow"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://www.springframework.org/schema/webflow http://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd"
+	xsi:schemaLocation="http://www.springframework.org/schema/webflow https://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd"
 	parent="parent-flow">
 
 	<!--
diff --git a/primefaces-showcase/src/main/webapp/WEB-INF/flows/ajax-primefaces/flow.xml b/primefaces-showcase/src/main/webapp/WEB-INF/flows/ajax-primefaces/flow.xml
index ddfb30f..2f21bfd 100644
--- a/primefaces-showcase/src/main/webapp/WEB-INF/flows/ajax-primefaces/flow.xml
+++ b/primefaces-showcase/src/main/webapp/WEB-INF/flows/ajax-primefaces/flow.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <flow xmlns="http://www.springframework.org/schema/webflow"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://www.springframework.org/schema/webflow http://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd"
+	xsi:schemaLocation="http://www.springframework.org/schema/webflow https://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd"
 	parent="parent-flow">
 
 	<!--
diff --git a/primefaces-showcase/src/main/webapp/WEB-INF/flows/ajax-render-action/flow.xml b/primefaces-showcase/src/main/webapp/WEB-INF/flows/ajax-render-action/flow.xml
index e705484..32b1d2f 100644
--- a/primefaces-showcase/src/main/webapp/WEB-INF/flows/ajax-render-action/flow.xml
+++ b/primefaces-showcase/src/main/webapp/WEB-INF/flows/ajax-render-action/flow.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <flow xmlns="http://www.springframework.org/schema/webflow"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://www.springframework.org/schema/webflow http://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd"
+	xsi:schemaLocation="http://www.springframework.org/schema/webflow https://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd"
 	parent="parent-flow">
 
 	<!--
diff --git a/primefaces-showcase/src/main/webapp/WEB-INF/flows/autocomplete/flow.xml b/primefaces-showcase/src/main/webapp/WEB-INF/flows/autocomplete/flow.xml
index b3c8c0f..3148a1c 100644
--- a/primefaces-showcase/src/main/webapp/WEB-INF/flows/autocomplete/flow.xml
+++ b/primefaces-showcase/src/main/webapp/WEB-INF/flows/autocomplete/flow.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <flow xmlns="http://www.springframework.org/schema/webflow"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://www.springframework.org/schema/webflow http://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd"
+	xsi:schemaLocation="http://www.springframework.org/schema/webflow https://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd"
 	parent="parent-flow">
 
 	<!--
diff --git a/primefaces-showcase/src/main/webapp/WEB-INF/flows/file-upload/flow.xml b/primefaces-showcase/src/main/webapp/WEB-INF/flows/file-upload/flow.xml
index 3458c0a..0002181 100644
--- a/primefaces-showcase/src/main/webapp/WEB-INF/flows/file-upload/flow.xml
+++ b/primefaces-showcase/src/main/webapp/WEB-INF/flows/file-upload/flow.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <flow xmlns="http://www.springframework.org/schema/webflow"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://www.springframework.org/schema/webflow http://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd"
+	xsi:schemaLocation="http://www.springframework.org/schema/webflow https://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd"
 	parent="parent-flow">
 
 	<!--
diff --git a/primefaces-showcase/src/main/webapp/WEB-INF/flows/modal-dialog-in-view/flow.xml b/primefaces-showcase/src/main/webapp/WEB-INF/flows/modal-dialog-in-view/flow.xml
index 4978db6..8f7a386 100644
--- a/primefaces-showcase/src/main/webapp/WEB-INF/flows/modal-dialog-in-view/flow.xml
+++ b/primefaces-showcase/src/main/webapp/WEB-INF/flows/modal-dialog-in-view/flow.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <flow xmlns="http://www.springframework.org/schema/webflow"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://www.springframework.org/schema/webflow http://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd"
+	xsi:schemaLocation="http://www.springframework.org/schema/webflow https://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd"
 	parent="parent-flow">
 
 	<!--
diff --git a/primefaces-showcase/src/main/webapp/WEB-INF/flows/parent-flow.xml b/primefaces-showcase/src/main/webapp/WEB-INF/flows/parent-flow.xml
index c02771f..476db20 100644
--- a/primefaces-showcase/src/main/webapp/WEB-INF/flows/parent-flow.xml
+++ b/primefaces-showcase/src/main/webapp/WEB-INF/flows/parent-flow.xml
@@ -2,7 +2,7 @@
 <flow xmlns="http://www.springframework.org/schema/webflow"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xsi:schemaLocation="http://www.springframework.org/schema/webflow
-        http://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd">
+        https://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd">
 
 	<input name="tab" value="flowScope.tab" required="false" />
 
diff --git a/primefaces-showcase/src/main/webapp/WEB-INF/flows/poller/flow.xml b/primefaces-showcase/src/main/webapp/WEB-INF/flows/poller/flow.xml
index 20216d2..20a7e3d 100644
--- a/primefaces-showcase/src/main/webapp/WEB-INF/flows/poller/flow.xml
+++ b/primefaces-showcase/src/main/webapp/WEB-INF/flows/poller/flow.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <flow xmlns="http://www.springframework.org/schema/webflow"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://www.springframework.org/schema/webflow http://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd"
+	xsi:schemaLocation="http://www.springframework.org/schema/webflow https://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd"
 	parent="parent-flow">
 
 	<!--
diff --git a/primefaces-showcase/src/main/webapp/WEB-INF/flows/spring-security-taglib/flow.xml b/primefaces-showcase/src/main/webapp/WEB-INF/flows/spring-security-taglib/flow.xml
index 8a558b0..c983406 100644
--- a/primefaces-showcase/src/main/webapp/WEB-INF/flows/spring-security-taglib/flow.xml
+++ b/primefaces-showcase/src/main/webapp/WEB-INF/flows/spring-security-taglib/flow.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <flow xmlns="http://www.springframework.org/schema/webflow"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://www.springframework.org/schema/webflow http://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd"
+	xsi:schemaLocation="http://www.springframework.org/schema/webflow https://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd"
 	parent="parent-flow">
 
 	<!--
diff --git a/primefaces-showcase/src/main/webapp/WEB-INF/flows/top-flow-with-embedded-subflow/embedded-flow/flow.xml b/primefaces-showcase/src/main/webapp/WEB-INF/flows/top-flow-with-embedded-subflow/embedded-flow/flow.xml
index deb8b0c..8251899 100644
--- a/primefaces-showcase/src/main/webapp/WEB-INF/flows/top-flow-with-embedded-subflow/embedded-flow/flow.xml
+++ b/primefaces-showcase/src/main/webapp/WEB-INF/flows/top-flow-with-embedded-subflow/embedded-flow/flow.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <flow xmlns="http://www.springframework.org/schema/webflow"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://www.springframework.org/schema/webflow http://www.springframework.org/schema/webflow/spring-webflow.xsd"
+	xsi:schemaLocation="http://www.springframework.org/schema/webflow https://www.springframework.org/schema/webflow/spring-webflow.xsd"
 	parent="parent-flow">
 
 	<!--
diff --git a/primefaces-showcase/src/main/webapp/WEB-INF/flows/top-flow-with-embedded-subflow/flow.xml b/primefaces-showcase/src/main/webapp/WEB-INF/flows/top-flow-with-embedded-subflow/flow.xml
index 0ea2e2e..1bce440 100644
--- a/primefaces-showcase/src/main/webapp/WEB-INF/flows/top-flow-with-embedded-subflow/flow.xml
+++ b/primefaces-showcase/src/main/webapp/WEB-INF/flows/top-flow-with-embedded-subflow/flow.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <flow xmlns="http://www.springframework.org/schema/webflow"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://www.springframework.org/schema/webflow http://www.springframework.org/schema/webflow/spring-webflow.xsd"
+	xsi:schemaLocation="http://www.springframework.org/schema/webflow https://www.springframework.org/schema/webflow/spring-webflow.xsd"
 	parent="parent-flow">
 
 	<!--
diff --git a/primefaces-showcase/src/main/webapp/WEB-INF/flows/validation-bean/flow.xml b/primefaces-showcase/src/main/webapp/WEB-INF/flows/validation-bean/flow.xml
index 42e041a..09e43a0 100644
--- a/primefaces-showcase/src/main/webapp/WEB-INF/flows/validation-bean/flow.xml
+++ b/primefaces-showcase/src/main/webapp/WEB-INF/flows/validation-bean/flow.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <flow xmlns="http://www.springframework.org/schema/webflow"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://www.springframework.org/schema/webflow http://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd"
+	xsi:schemaLocation="http://www.springframework.org/schema/webflow https://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd"
 	parent="parent-flow">
 
 	<!--
diff --git a/primefaces-showcase/src/main/webapp/WEB-INF/flows/validation-model/flow.xml b/primefaces-showcase/src/main/webapp/WEB-INF/flows/validation-model/flow.xml
index c3b2dc0..b697d28 100644
--- a/primefaces-showcase/src/main/webapp/WEB-INF/flows/validation-model/flow.xml
+++ b/primefaces-showcase/src/main/webapp/WEB-INF/flows/validation-model/flow.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <flow xmlns="http://www.springframework.org/schema/webflow"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://www.springframework.org/schema/webflow http://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd"
+	xsi:schemaLocation="http://www.springframework.org/schema/webflow https://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd"
 	parent="parent-flow">
 
 	<!--
diff --git a/primefaces-showcase/src/main/webapp/WEB-INF/spring/appServlet/controllers.xml b/primefaces-showcase/src/main/webapp/WEB-INF/spring/appServlet/controllers.xml
index 9af5142..a77d660 100644
--- a/primefaces-showcase/src/main/webapp/WEB-INF/spring/appServlet/controllers.xml
+++ b/primefaces-showcase/src/main/webapp/WEB-INF/spring/appServlet/controllers.xml
@@ -3,9 +3,9 @@
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xmlns:mvc="http://www.springframework.org/schema/mvc"
 	xmlns:context="http://www.springframework.org/schema/context"
-	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
-		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
-		http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">
+	xsi:schemaLocation="http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd
+		http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd
+		http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd">
 
 	<!-- 
 		URL mappings for views without controller logic.
diff --git a/primefaces-showcase/src/main/webapp/WEB-INF/spring/appServlet/servlet-context.xml b/primefaces-showcase/src/main/webapp/WEB-INF/spring/appServlet/servlet-context.xml
index a169b78..a47b133 100644
--- a/primefaces-showcase/src/main/webapp/WEB-INF/spring/appServlet/servlet-context.xml
+++ b/primefaces-showcase/src/main/webapp/WEB-INF/spring/appServlet/servlet-context.xml
@@ -4,10 +4,10 @@
 	xmlns:mvc="http://www.springframework.org/schema/mvc"
 	xmlns:faces="http://www.springframework.org/schema/faces"
 	xmlns:context="http://www.springframework.org/schema/context"
-	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
-		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
-		http://www.springframework.org/schema/faces http://www.springframework.org/schema/faces/spring-faces.xsd
-		http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">
+	xsi:schemaLocation="http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd
+		http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd
+		http://www.springframework.org/schema/faces https://www.springframework.org/schema/faces/spring-faces.xsd
+		http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd">
 
 	<!--
 		DispatcherServlet Context: defines this servlet's request-processing infrastructure
diff --git a/primefaces-showcase/src/main/webapp/WEB-INF/spring/appServlet/webflow.xml b/primefaces-showcase/src/main/webapp/WEB-INF/spring/appServlet/webflow.xml
index 6d71268..2def61f 100644
--- a/primefaces-showcase/src/main/webapp/WEB-INF/spring/appServlet/webflow.xml
+++ b/primefaces-showcase/src/main/webapp/WEB-INF/spring/appServlet/webflow.xml
@@ -3,9 +3,9 @@
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xmlns:beans="http://www.springframework.org/schema/beans"
 	xmlns:faces="http://www.springframework.org/schema/faces"
-	xsi:schemaLocation="http://www.springframework.org/schema/webflow-config http://www.springframework.org/schema/webflow-config/spring-webflow-config.xsd
-		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
-		http://www.springframework.org/schema/faces http://www.springframework.org/schema/faces/spring-faces.xsd">
+	xsi:schemaLocation="http://www.springframework.org/schema/webflow-config https://www.springframework.org/schema/webflow-config/spring-webflow-config.xsd
+		http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd
+		http://www.springframework.org/schema/faces https://www.springframework.org/schema/faces/spring-faces.xsd">
 
 	<!-- Executes flows: the central entry point into the Spring Web Flow system -->
 	<flow-executor id="flowExecutor">
diff --git a/primefaces-showcase/src/main/webapp/WEB-INF/spring/root-context.xml b/primefaces-showcase/src/main/webapp/WEB-INF/spring/root-context.xml
index 486e22d..adcede8 100644
--- a/primefaces-showcase/src/main/webapp/WEB-INF/spring/root-context.xml
+++ b/primefaces-showcase/src/main/webapp/WEB-INF/spring/root-context.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <beans xmlns="http://www.springframework.org/schema/beans"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
+	xsi:schemaLocation="http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd">
 	
 	<!-- Root Context: defines shared resources visible to all other web components -->
 	<import resource="security-config.xml"/>
diff --git a/primefaces-showcase/src/main/webapp/WEB-INF/spring/security-config.xml b/primefaces-showcase/src/main/webapp/WEB-INF/spring/security-config.xml
index a359a72..bd5b7cc 100644
--- a/primefaces-showcase/src/main/webapp/WEB-INF/spring/security-config.xml
+++ b/primefaces-showcase/src/main/webapp/WEB-INF/spring/security-config.xml
@@ -2,8 +2,8 @@
 <b:beans xmlns="http://www.springframework.org/schema/security"
 		 xmlns:b="http://www.springframework.org/schema/beans"
 		 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		 xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
-						http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security.xsd">
+		 xsi:schemaLocation="http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd
+						http://www.springframework.org/schema/security https://www.springframework.org/schema/security/spring-security.xsd">
 
 	<http auto-config="true" use-expressions="true">
 		<form-login login-page="/app/login" login-processing-url="/app/loginProcess"
diff --git a/primefaces-showcase/src/main/webapp/WEB-INF/springsecurity.taglib.xml b/primefaces-showcase/src/main/webapp/WEB-INF/springsecurity.taglib.xml
index ea37d89..2c0dfbe 100644
--- a/primefaces-showcase/src/main/webapp/WEB-INF/springsecurity.taglib.xml
+++ b/primefaces-showcase/src/main/webapp/WEB-INF/springsecurity.taglib.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!DOCTYPE facelet-taglib PUBLIC
   "-//Sun Microsystems, Inc.//DTD Facelet Taglib 1.0//EN"
-  "http://java.sun.com/dtd/facelet-taglib_1_0.dtd">
+  "https://java.sun.com/dtd/facelet-taglib_1_0.dtd">
 <facelet-taglib>
 	<namespace>http://www.springframework.org/security/tags</namespace>
 	<tag>
diff --git a/primefaces-showcase/src/main/webapp/WEB-INF/web.xml b/primefaces-showcase/src/main/webapp/WEB-INF/web.xml
index 918742a..05bc430 100644
--- a/primefaces-showcase/src/main/webapp/WEB-INF/web.xml
+++ b/primefaces-showcase/src/main/webapp/WEB-INF/web.xml
@@ -1,6 +1,6 @@
 <web-app xmlns="http://java.sun.com/xml/ns/javaee"
 		 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		 xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
+		 xsi:schemaLocation="http://java.sun.com/xml/ns/javaee https://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
 		 version="3.0">
 
 	<!--
diff --git a/webflow-showcase/pom.xml b/webflow-showcase/pom.xml
index fce2aa7..3ca9aed 100644
--- a/webflow-showcase/pom.xml
+++ b/webflow-showcase/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.webflow.samples</groupId>
 	<artifactId>webflow-showcase</artifactId>
diff --git a/webflow-showcase/src/main/webapp/WEB-INF/flows/embedded-flow-in-modal-dialog/flow.xml b/webflow-showcase/src/main/webapp/WEB-INF/flows/embedded-flow-in-modal-dialog/flow.xml
index b58bbee..56d2d04 100644
--- a/webflow-showcase/src/main/webapp/WEB-INF/flows/embedded-flow-in-modal-dialog/flow.xml
+++ b/webflow-showcase/src/main/webapp/WEB-INF/flows/embedded-flow-in-modal-dialog/flow.xml
@@ -3,7 +3,7 @@
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xsi:schemaLocation="
 		http://www.springframework.org/schema/webflow 
-		http://www.springframework.org/schema/webflow/spring-webflow.xsd">
+		https://www.springframework.org/schema/webflow/spring-webflow.xsd">
 
 	<view-state id="step1" view="embeddedFlowInModalDialog/step1">
 		<transition on="next" to="step2"/> 
diff --git a/webflow-showcase/src/main/webapp/WEB-INF/flows/embedded-flow-in-modal-dialog/views.xml b/webflow-showcase/src/main/webapp/WEB-INF/flows/embedded-flow-in-modal-dialog/views.xml
index bbe2102..5ab50d6 100644
--- a/webflow-showcase/src/main/webapp/WEB-INF/flows/embedded-flow-in-modal-dialog/views.xml
+++ b/webflow-showcase/src/main/webapp/WEB-INF/flows/embedded-flow-in-modal-dialog/views.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE tiles-definitions PUBLIC
 	"-//Apache Software Foundation//DTD Tiles Configuration 2.0//EN"
-	"http://tiles.apache.org/dtds/tiles-config_2_0.dtd">
+	"https://tiles.apache.org/dtds/tiles-config_2_0.dtd">
 	
 <tiles-definitions>
 	
diff --git a/webflow-showcase/src/main/webapp/WEB-INF/flows/embedded-flow/flow.xml b/webflow-showcase/src/main/webapp/WEB-INF/flows/embedded-flow/flow.xml
index d1dbe38..c8a526b 100644
--- a/webflow-showcase/src/main/webapp/WEB-INF/flows/embedded-flow/flow.xml
+++ b/webflow-showcase/src/main/webapp/WEB-INF/flows/embedded-flow/flow.xml
@@ -3,7 +3,7 @@
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xsi:schemaLocation="
 		http://www.springframework.org/schema/webflow 
-		http://www.springframework.org/schema/webflow/spring-webflow.xsd">
+		https://www.springframework.org/schema/webflow/spring-webflow.xsd">
 
 	<view-state id="step1" view="embeddedFlow/step1">
 		<transition on="next" to="step2"/> 
diff --git a/webflow-showcase/src/main/webapp/WEB-INF/flows/embedded-flow/views.xml b/webflow-showcase/src/main/webapp/WEB-INF/flows/embedded-flow/views.xml
index 09bc17b..908f9fc 100644
--- a/webflow-showcase/src/main/webapp/WEB-INF/flows/embedded-flow/views.xml
+++ b/webflow-showcase/src/main/webapp/WEB-INF/flows/embedded-flow/views.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE tiles-definitions PUBLIC
 	"-//Apache Software Foundation//DTD Tiles Configuration 2.0//EN"
-	"http://tiles.apache.org/dtds/tiles-config_2_0.dtd">
+	"https://tiles.apache.org/dtds/tiles-config_2_0.dtd">
 	
 <tiles-definitions>
 
diff --git a/webflow-showcase/src/main/webapp/WEB-INF/flows/views.xml b/webflow-showcase/src/main/webapp/WEB-INF/flows/views.xml
index ac59b60..7bb5115 100644
--- a/webflow-showcase/src/main/webapp/WEB-INF/flows/views.xml
+++ b/webflow-showcase/src/main/webapp/WEB-INF/flows/views.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE tiles-definitions PUBLIC
 	"-//Apache Software Foundation//DTD Tiles Configuration 2.0//EN"
-	"http://tiles.apache.org/dtds/tiles-config_2_0.dtd">
+	"https://tiles.apache.org/dtds/tiles-config_2_0.dtd">
 	
 <tiles-definitions>
 	
diff --git a/webflow-showcase/src/main/webapp/WEB-INF/layouts/views.xml b/webflow-showcase/src/main/webapp/WEB-INF/layouts/views.xml
index 0f94b92..4d23e80 100644
--- a/webflow-showcase/src/main/webapp/WEB-INF/layouts/views.xml
+++ b/webflow-showcase/src/main/webapp/WEB-INF/layouts/views.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE tiles-definitions PUBLIC
        "-//Apache Software Foundation//DTD Tiles Configuration 2.0//EN"
-       "http://tiles.apache.org/dtds/tiles-config_2_0.dtd">
+       "https://tiles.apache.org/dtds/tiles-config_2_0.dtd">
 
 <tiles-definitions>
 	
diff --git a/webflow-showcase/src/main/webapp/WEB-INF/spring/controllers.xml b/webflow-showcase/src/main/webapp/WEB-INF/spring/controllers.xml
index 9ad9f15..a67e8f5 100644
--- a/webflow-showcase/src/main/webapp/WEB-INF/spring/controllers.xml
+++ b/webflow-showcase/src/main/webapp/WEB-INF/spring/controllers.xml
@@ -3,9 +3,9 @@
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xmlns:mvc="http://www.springframework.org/schema/mvc"
 	xmlns:context="http://www.springframework.org/schema/context"
-	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
-		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
-		http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">
+	xsi:schemaLocation="http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd
+		http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd
+		http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd">
 
 	<!--
 		Map paths directly to view names without controller processing.
diff --git a/webflow-showcase/src/main/webapp/WEB-INF/spring/servlet-context.xml b/webflow-showcase/src/main/webapp/WEB-INF/spring/servlet-context.xml
index e59e9e1..b73d5dd 100644
--- a/webflow-showcase/src/main/webapp/WEB-INF/spring/servlet-context.xml
+++ b/webflow-showcase/src/main/webapp/WEB-INF/spring/servlet-context.xml
@@ -3,9 +3,9 @@
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xmlns:mvc="http://www.springframework.org/schema/mvc"
 	xmlns:context="http://www.springframework.org/schema/context"
-	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
-		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
-		http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">
+	xsi:schemaLocation="http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd
+		http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd
+		http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd">
 
 	<!--
 		DispatcherServlet Context: defines this servlet's request-processing infrastructure
diff --git a/webflow-showcase/src/main/webapp/WEB-INF/spring/webflow.xml b/webflow-showcase/src/main/webapp/WEB-INF/spring/webflow.xml
index 8588f3f..f3fa07d 100644
--- a/webflow-showcase/src/main/webapp/WEB-INF/spring/webflow.xml
+++ b/webflow-showcase/src/main/webapp/WEB-INF/spring/webflow.xml
@@ -4,9 +4,9 @@
        xmlns:webflow="http://www.springframework.org/schema/webflow-config"
        xsi:schemaLocation="
            http://www.springframework.org/schema/beans
-           http://www.springframework.org/schema/beans/spring-beans.xsd
+           https://www.springframework.org/schema/beans/spring-beans.xsd
            http://www.springframework.org/schema/webflow-config
-           http://www.springframework.org/schema/webflow-config/spring-webflow-config-2.4.xsd">
+           https://www.springframework.org/schema/webflow-config/spring-webflow-config-2.4.xsd">
 
 	<!-- Executes flows: the entry point into the Spring Web Flow system -->
 	<webflow:flow-executor id="flowExecutor"/>
diff --git a/webflow-showcase/src/main/webapp/WEB-INF/views/views.xml b/webflow-showcase/src/main/webapp/WEB-INF/views/views.xml
index 0e285d1..e94a31f 100644
--- a/webflow-showcase/src/main/webapp/WEB-INF/views/views.xml
+++ b/webflow-showcase/src/main/webapp/WEB-INF/views/views.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE tiles-definitions PUBLIC
 	"-//Apache Software Foundation//DTD Tiles Configuration 2.0//EN"
-	"http://tiles.apache.org/dtds/tiles-config_2_0.dtd">
+	"https://tiles.apache.org/dtds/tiles-config_2_0.dtd">
 	
 <tiles-definitions>
 	
diff --git a/webflow-showcase/src/main/webapp/WEB-INF/web.xml b/webflow-showcase/src/main/webapp/WEB-INF/web.xml
index e80260c..2a63f96 100755
--- a/webflow-showcase/src/main/webapp/WEB-INF/web.xml
+++ b/webflow-showcase/src/main/webapp/WEB-INF/web.xml
@@ -1,6 +1,6 @@
 <web-app xmlns="http://java.sun.com/xml/ns/javaee"
 		 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		 xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
+		 xsi:schemaLocation="http://java.sun.com/xml/ns/javaee https://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
 		 version="3.0">
 
 	<servlet>