Upgrade to Gradle 9.1.0

* Fix SXD schema collection for broken Groovy optional operator
* Upgrade to Checkstyle `12.1.0`
* Do not use Gradle configuration yet, since `checkstyleNohttp` is failing for serialization

Author: artembilan

build.gradle

@@ -266,7 +266,7 @@ configure(javaProjects) { subproject ->
 
 	checkstyle {
 		configDirectory.set(rootProject.file('src/checkstyle'))
-		toolVersion = '11.0.1'
+		toolVersion = '12.1.0'
 	}
 
 	jar {
@@ -564,9 +564,18 @@ tasks.register('schemaZip', Zip) {
 			shortName = 'rabbit'
 		}
 
+		/* TODO until Gradle 9.1.1 or 9.2
 		subproject.sourceSets.main.resources.find {
 			it.path.endsWith("META-INF${File.separator}spring.schemas")
-		}?.withInputStream { schemas.load(it) }
+		}?.withInputStream { schemas.load(it) }*/
+
+		File schemasFile = subproject.sourceSets.main.resources.find  {
+			it.path.endsWith("META-INF${File.separator}spring.schemas")
+		}
+
+		if (schemasFile) {
+			schemasFile.withInputStream { schemas.load(it) }
+		}
 
 		for (def key : schemas.keySet()) {
 			File xsdFile = subproject.sourceSets.main.resources.find {

gradle.properties

@@ -3,4 +3,5 @@ org.gradle.jvmargs=-Xms512m -Xmx4g -Dfile.encoding=UTF-8
 org.gradle.daemon=true
 org.gradle.caching=true
 org.gradle.parallel=true
+#org.gradle.configuration-cache=true
 kotlin.stdlib.default.dependency=false

gradle/wrapper/gradle-wrapper.jar

@@ -1,7 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionSha256Sum=845952a9d6afa783db70bb3b0effaae45ae5542ca2bb7929619e8af49cb634cf
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.1-bin.zip
+distributionSha256Sum=a17ddd85a26b6a7f5ddb71ff8b05fc5104c0202c6e64782429790c933686c806
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.1.0-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

gradle/wrapper/gradle-wrapper.properties

@@ -1,7 +1,7 @@
 #!/bin/sh
 
 #
-# Copyright © 2015-2021 the original authors.
+# Copyright © 2015 the original authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -114,7 +114,6 @@ case "$( uname )" in                #(
   NONSTOP* )        nonstop=true ;;
 esac
 
-CLASSPATH="\\\"\\\""
 
 
 # Determine the Java command to use to start the JVM.
@@ -172,7 +171,6 @@ fi
 # For Cygwin or MSYS, switch paths to Windows format before running java
 if "$cygwin" || "$msys" ; then
     APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
-    CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
 
     JAVACMD=$( cygpath --unix "$JAVACMD" )
 
@@ -212,7 +210,6 @@ DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
 
 set -- \
         "-Dorg.gradle.appname=$APP_BASE_NAME" \
-        -classpath "$CLASSPATH" \
         -jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \
         "$@"
 

gradlew

@@ -70,11 +70,10 @@ goto fail
 :execute
 @rem Setup the command line
 
-set CLASSPATH=
 
 
 @rem Execute Gradle
-"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %*
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %*
 
 :end
 @rem End local scope for the variables with windows NT shell