KAFKA-14680: Upgrade gradle version from 7.6 to 8.0.1

build.gradle

@@ -30,7 +30,7 @@ buildscript {
 }
 
 plugins {
-  id 'com.diffplug.spotless' version '6.13.0'
+  id 'com.diffplug.spotless' version '6.13.0' // newer versions require Java 11, so we can't use them until Kafka 4.0
   id 'com.github.ben-manes.versions' version '0.44.0'
   id 'idea'
   id 'java-library'
@@ -54,7 +54,7 @@ spotless {
 
 ext {
   gradleVersion = versions.gradle
-  minJavaVersion = "8"
+  minJavaVersion = 8
   buildVersionFileName = "kafka-version.properties"
 
   defaultMaxHeapSize = "2g"
@@ -254,9 +254,6 @@ subprojects {
     fineTuneEclipseClasspathFile(eclipse, project)
   }
 
-  sourceCompatibility = minJavaVersion
-  targetCompatibility = minJavaVersion
-
   java {
     consistentResolution {
       // resolve the compileClasspath and then "inject" the result of resolution as strict constraints into the runtimeClasspath
@@ -273,11 +270,15 @@ subprojects {
     options.compilerArgs << "-Xlint:-serial"
     options.compilerArgs << "-Xlint:-try"
     options.compilerArgs << "-Werror"
+
     // --release is the recommended way to select the target release, but it's only supported in Java 9 so we also
-    // set --source and --target via `sourceCompatibility` and `targetCompatibility`. If/when Gradle supports `--release`
-    // natively (https://github.com/gradle/gradle/issues/2510), we should switch to that.
-    if (JavaVersion.current().isJava9Compatible())
-      options.compilerArgs << "--release" << minJavaVersion
+    // set --source and --target via `sourceCompatibility` and `targetCompatibility`.
+    if (JavaVersion.current().isJava9Compatible()) {
+      options.release = minJavaVersion
+    } else {
+      sourceCompatibility = minJavaVersion
+      targetCompatibility = minJavaVersion
+    }
   }
 
   if (shouldPublish) {
@@ -680,9 +681,12 @@ subprojects {
       ]
     }
 
-    // Scalac's `-release` requires Java 9 or higher
-    if (JavaVersion.current().isJava9Compatible())
-      scalaCompileOptions.additionalParameters += ["-release", minJavaVersion]
+    // Scalac 2.12 `-release` requires Java 9 or higher, but Scala 2.13 doesn't have that restriction
+    if (versions.baseScala == "2.13")
+      scalaCompileOptions.additionalParameters += ["-release:" + minJavaVersion] // Use `:` here to workaround Gradle bug (see https://github.com/gradle/gradle/issues/23962#issuecomment-1437348400)
+    else if (JavaVersion.current().isJava9Compatible())
+      scalaCompileOptions.additionalParameters += ["-release", String.valueOf(minJavaVersion)] // Don't use `:` here as it breaks compilation with Scala 2.12
+
 
     configure(scalaCompileOptions.forkOptions) {
       memoryMaximumSize = defaultMaxHeapSize
@@ -2111,7 +2115,6 @@ project(':streams:streams-scala') {
     dependsOn 'copyDependantLibs'
   }
 
-  test.dependsOn(':spotlessScalaCheck')
 }
 
 project(':streams:test-utils') {

gradle/dependencies.gradle

@@ -62,13 +62,13 @@ versions += [
   checkstyle: "8.36.2",
   commonsCli: "1.4",
   dropwizardMetrics: "4.1.12.1",
-  gradle: "7.6",
+  gradle: "8.0.1",
   grgit: "4.1.1",
   httpclient: "4.5.13",
   easymock: "4.3",
   jackson: "2.13.4",
   jacksonDatabind: "2.13.4.2",
-  jacoco: "0.8.7",
+  jacoco: "0.8.8",
   javassist: "3.27.0-GA",
   jetty: "9.4.48.v20220622",
   jersey: "2.34",

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionSha=312eb12875e1747e05c2f81a4789902d7e4ec5defbd1eefeaccc08acf096505d
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6-all.zip
+distributionSha=948d1e4ccc2f6ae36cbfa087d827aaca51403acae5411e664a6000bb47946f22
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.0.1-all.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists