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 f3d88b1..62d4c05 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 a2bf131..bb8b2fc 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 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.2.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5.1-bin.zip
 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 2fe81a7..fbd7c51 100755
--- a/servlet/java-configuration/hello-security-explicit/gradlew
+++ b/servlet/java-configuration/hello-security-explicit/gradlew
@@ -82,6 +82,7 @@ esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
+
 # Determine the Java command to use to start the JVM.
 if [ -n "$JAVA_HOME" ] ; then
     if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
@@ -129,6 +130,7 @@ fi
 if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    
     JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
diff --git a/servlet/java-configuration/hello-security-explicit/gradlew.bat b/servlet/java-configuration/hello-security-explicit/gradlew.bat
index 9109989..a9f778a 100644
--- a/servlet/java-configuration/hello-security-explicit/gradlew.bat
+++ b/servlet/java-configuration/hello-security-explicit/gradlew.bat
@@ -84,6 +84,7 @@ set CMD_LINE_ARGS=%*
 
 set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
+
 @rem Execute Gradle
 "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
 
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 f3d88b1..62d4c05 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 a2bf131..bb8b2fc 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 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.2.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/java-configuration/hello-security/gradlew b/servlet/java-configuration/hello-security/gradlew
index 2fe81a7..fbd7c51 100755
--- a/servlet/java-configuration/hello-security/gradlew
+++ b/servlet/java-configuration/hello-security/gradlew
@@ -82,6 +82,7 @@ esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
+
 # Determine the Java command to use to start the JVM.
 if [ -n "$JAVA_HOME" ] ; then
     if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
@@ -129,6 +130,7 @@ fi
 if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    
     JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
diff --git a/servlet/java-configuration/hello-security/gradlew.bat b/servlet/java-configuration/hello-security/gradlew.bat
index 9109989..a9f778a 100644
--- a/servlet/java-configuration/hello-security/gradlew.bat
+++ b/servlet/java-configuration/hello-security/gradlew.bat
@@ -84,6 +84,7 @@ set CMD_LINE_ARGS=%*
 
 set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
+
 @rem Execute Gradle
 "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
 
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 f3d88b1..62d4c05 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 a2bf131..bb8b2fc 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 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.2.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/java-configuration/max-sessions/gradlew b/servlet/java-configuration/max-sessions/gradlew
index 2fe81a7..fbd7c51 100755
--- a/servlet/java-configuration/max-sessions/gradlew
+++ b/servlet/java-configuration/max-sessions/gradlew
@@ -82,6 +82,7 @@ esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
+
 # Determine the Java command to use to start the JVM.
 if [ -n "$JAVA_HOME" ] ; then
     if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
@@ -129,6 +130,7 @@ fi
 if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    
     JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
diff --git a/servlet/java-configuration/max-sessions/gradlew.bat b/servlet/java-configuration/max-sessions/gradlew.bat
index 9109989..a9f778a 100644
--- a/servlet/java-configuration/max-sessions/gradlew.bat
+++ b/servlet/java-configuration/max-sessions/gradlew.bat
@@ -84,6 +84,7 @@ set CMD_LINE_ARGS=%*
 
 set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
+
 @rem Execute Gradle
 "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
 
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 f3d88b1..62d4c05 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 a2bf131..bb8b2fc 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-6.2.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/gradlew b/servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/gradlew
index 2fe81a7..fbd7c51 100755
--- a/servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/gradlew
+++ b/servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/gradlew
@@ -82,6 +82,7 @@ esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
+
 # Determine the Java command to use to start the JVM.
 if [ -n "$JAVA_HOME" ] ; then
     if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
@@ -129,6 +130,7 @@ fi
 if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    
     JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
diff --git a/servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/gradlew.bat b/servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/gradlew.bat
index 9109989..a9f778a 100644
--- a/servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/gradlew.bat
+++ b/servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/gradlew.bat
@@ -84,6 +84,7 @@ set CMD_LINE_ARGS=%*
 
 set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
+
 @rem Execute Gradle
 "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
 
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 f3d88b1..62d4c05 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 a2bf131..bb8b2fc 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 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.2.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5.1-bin.zip
 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 2fe81a7..fbd7c51 100755
--- a/servlet/spring-boot/java/oauth2/resource-server/opaque/gradlew
+++ b/servlet/spring-boot/java/oauth2/resource-server/opaque/gradlew
@@ -82,6 +82,7 @@ esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
+
 # Determine the Java command to use to start the JVM.
 if [ -n "$JAVA_HOME" ] ; then
     if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
@@ -129,6 +130,7 @@ fi
 if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    
     JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
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 9109989..a9f778a 100644
--- a/servlet/spring-boot/java/oauth2/resource-server/opaque/gradlew.bat
+++ b/servlet/spring-boot/java/oauth2/resource-server/opaque/gradlew.bat
@@ -84,6 +84,7 @@ set CMD_LINE_ARGS=%*
 
 set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
+
 @rem Execute Gradle
 "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
 
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 f3d88b1..62d4c05 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 a2bf131..bb8b2fc 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 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.2.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5.1-bin.zip
 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 2fe81a7..fbd7c51 100755
--- a/servlet/spring-boot/java/oauth2/resource-server/static/gradlew
+++ b/servlet/spring-boot/java/oauth2/resource-server/static/gradlew
@@ -82,6 +82,7 @@ esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
+
 # Determine the Java command to use to start the JVM.
 if [ -n "$JAVA_HOME" ] ; then
     if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
@@ -129,6 +130,7 @@ fi
 if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    
     JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
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 9109989..a9f778a 100644
--- a/servlet/spring-boot/java/oauth2/resource-server/static/gradlew.bat
+++ b/servlet/spring-boot/java/oauth2/resource-server/static/gradlew.bat
@@ -84,6 +84,7 @@ set CMD_LINE_ARGS=%*
 
 set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
+
 @rem Execute Gradle
 "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
 
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 f3d88b1..62d4c05 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 a2bf131..bb8b2fc 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 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.2.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5.1-bin.zip
 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 2fe81a7..fbd7c51 100755
--- a/servlet/spring-boot/java/saml2-login/gradlew
+++ b/servlet/spring-boot/java/saml2-login/gradlew
@@ -82,6 +82,7 @@ esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
+
 # Determine the Java command to use to start the JVM.
 if [ -n "$JAVA_HOME" ] ; then
     if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
@@ -129,6 +130,7 @@ fi
 if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    
     JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
diff --git a/servlet/spring-boot/java/saml2-login/gradlew.bat b/servlet/spring-boot/java/saml2-login/gradlew.bat
index 9109989..a9f778a 100644
--- a/servlet/spring-boot/java/saml2-login/gradlew.bat
+++ b/servlet/spring-boot/java/saml2-login/gradlew.bat
@@ -84,6 +84,7 @@ set CMD_LINE_ARGS=%*
 
 set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
+
 @rem Execute Gradle
 "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%