Update to Gradle 9.2.1 (#978)

* Update GitHub workflow to use JDK21

* Update gradle-license-plugin

* Update to Gradle 9.2.1

* Specify JVM vendor for the build toolchains

* Gitignore `:morpheus-testing` test directory

* Lazy fetch the runApp mainClass property

Author: vnickolov

.github/workflows/build.yml

@@ -20,7 +20,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: temurin
-          java-version: 17
+          java-version: 21
 
       - name: 'Cache Gradle packages'
         uses: actions/cache@v4

.gitignore

@@ -27,4 +27,7 @@ gradle-app.setting
 
 # Demo data sets
 yelp_json
-yelp_graph
+yelp_graph
+
+# For some reason this directory is created when running the tests
+/morpheus-testing/target/

build.gradle

@@ -21,6 +21,13 @@ allprojects {
         mavenCentral()
         mavenLocal()
     }
+
+    java {
+        toolchain {
+            languageVersion = JavaLanguageVersion.of(21)
+            vendor = JvmVendorSpec.ADOPTIUM // Gradle constant for Temurin
+        }
+    }
 }
 
 apply from: 'build.licenses.gradle'
@@ -138,7 +145,7 @@ subprojects {
         description = 'Run a custom Scala app (use -PmainClass=com.my.package.App)'
 
         classpath = sourceSets.main.runtimeClasspath
-        mainClass = project.getProperty("mainClass")
+        mainClass = project.provider { project.findProperty('mainClass') }
     }
 
     tasks.named('runApp').configure {

build.licenses.gradle

@@ -1,3 +1,13 @@
+// Define a resolvable configuration for license reporting
+configurations {
+    licenseReportRuntimeClasspath {
+        extendsFrom configurations.runtimeClasspath
+        canBeResolved = true
+        canBeConsumed = false
+        description = 'Resolvable configuration for license reporting.'
+    }
+}
+
 // All licenses that we accept, and their aliases
 def allowList = [
         [name: 'BSD-2-Clause', url: 'http://opensource.org/licenses/BSD-2-Clause', aliases: [
@@ -69,12 +79,21 @@ subprojects { proj ->
 
         // Dependency license reporting
         downloadLicenses {
-            dependencyConfiguration = 'runtimeClasspath'
+            dependencyConfiguration = 'licenseReportRuntimeClasspath'
             aliases = allowList.collectEntries { lic ->
                 def actual = license(lic.name, lic.url)
                 def alternatives = lic.aliases.collect { it.url ? license(it.name, it.url) : it.name }
                 [(actual): alternatives]
             }
+
+            report {
+                json.enabled = true
+                json.destination = file("build/reports/license")
+                xml.enabled = false
+                xml.destination = file("build/reports/license")
+                html.enabled = false
+                html.destination = file("build/reports/license")
+            }
         }
 
         tasks.downloadLicenses.ext.licenseToDependencyJson = { ->