[Work in progress] [KAFKA-19174] Gradle version upgrade 8 -->> 9

build.gradle

@@ -39,7 +39,7 @@ plugins {
 
   id "com.github.spotbugs" version '6.2.3' apply false
   id 'org.scoverage' version '8.0.3' apply false
-  id 'com.gradleup.shadow' version '8.3.6' apply false
+  id 'com.gradleup.shadow' version '9.0.0' apply false
   id 'com.diffplug.spotless' version "6.25.0"
 }
 

gradle/dependencies.gradle

@@ -61,7 +61,7 @@ versions += [
   commonsLang: "3.18.0",
   commonsValidator: "1.9.0",
   classgraph: "4.8.179",
-  gradle: "8.14.1",
+  gradle: "9.0.0",
   grgit: "4.1.1",
   httpclient: "4.5.14",
   jackson: "2.19.0",

gradle/wrapper/gradle-wrapper.properties

@@ -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=8fad3d78296ca518113f3d29016617c7f9367dc005f932bd9d93bf45ba46072b
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.0.0-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

gradlew

@@ -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.
@@ -15,6 +15,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 
 ##############################################################################
 #
@@ -55,7 +57,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -84,7 +86,7 @@ done
 # shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
 # Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
-APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit
+APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s\n' "$PWD" ) || exit
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
@@ -112,20 +114,7 @@ case "$( uname )" in                #(
   NONSTOP* )        nonstop=true ;;
 esac
 
-
-# Loop in case we encounter an error.
-for attempt in 1 2 3; do
-  if [ ! -e "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" ]; then
-    if ! curl -s -S --retry 3 -L -o "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" "https://raw.githubusercontent.com/gradle/gradle/v8.14.1/gradle/wrapper/gradle-wrapper.jar"; then
-      rm -f "$APP_HOME/gradle/wrapper/gradle-wrapper.jar"
-      # Pause for a bit before looping in case the server throttled us.
-      sleep 5
-      continue
-    fi
-  fi
-done
-
-CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+CLASSPATH="\\\"\\\""
 
 
 # Determine the Java command to use to start the JVM.
@@ -212,19 +201,32 @@ if "$cygwin" || "$msys" ; then
 fi
 
 
+
+# Loop in case we encounter an error.
+for attempt in 1 2 3; do
+  if [ ! -e "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" ]; then
+    if ! curl -s -S --retry 3 -L -o "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" "https://raw.githubusercontent.com/gradle/gradle/v9.0.0/gradle/wrapper/gradle-wrapper.jar"; then
+      rm -f "$APP_HOME/gradle/wrapper/gradle-wrapper.jar"
+      # Pause for a bit before looping in case the server throttled us.
+      sleep 5
+      continue
+    fi
+  fi
+done
+
 # 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"'
 
 # Collect all arguments for the java command:
-#   * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
 #     and any embedded shellness will be escaped.
 #   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
 #     treated as '${Hostname}' itself on the command line.
 
 set -- \
         "-Dorg.gradle.appname=$APP_BASE_NAME" \
         -classpath "$CLASSPATH" \
-        org.gradle.wrapper.GradleWrapperMain \
+        -jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \
         "$@"
 
 # Stop when "xargs" is not available.

wrapper.gradle

@@ -59,13 +59,15 @@ task bootstrapWrapper() {
       done
       """.stripIndent()
 
+        String putBootstrapStringAbove = "# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script."
+
         def wrapperScript = wrapper.scriptFile
         def wrapperLines = wrapperScript.readLines()
         wrapperScript.withPrintWriter { out ->
             def bootstrapWritten = false
             wrapperLines.each { line ->
                 // Print the wrapper bootstrap before the first usage of the wrapper jar.
-                if (!bootstrapWritten && line.contains("gradle-wrapper.jar")) {
+                if (!bootstrapWritten && line.contains(putBootstrapStringAbove)) {
                     out.println(bootstrapString)
                     bootstrapWritten = true
                 }