Update to Java 21 & Replace depricated buildDir

build.gradle.kts

@@ -18,6 +18,6 @@ nexusPublishing {
 
 tasks.withType(KotlinCompile::class).all {
     kotlinOptions {
-        jvmTarget = "17"
+        jvmTarget = "21"
     }
 }

buildSrc/build.gradle.kts

@@ -23,6 +23,6 @@ dependencies {
 
 tasks.withType<KotlinCompile> {
     kotlinOptions {
-        jvmTarget = "17"
+        jvmTarget = "21"
     }
 }

buildSrc/src/main/kotlin/org.openbase.bco.gradle.kts

@@ -24,7 +24,7 @@ group = "org.openbase"
 val releaseVersion = !version.toString().endsWith("-SNAPSHOT")
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_17
+    sourceCompatibility = JavaVersion.VERSION_21
     targetCompatibility = sourceCompatibility
     withSourcesJar()
     withJavadocJar()
@@ -45,7 +45,7 @@ dependencies {
 tasks.withType<KotlinCompile> {
     kotlinOptions {
         freeCompilerArgs = listOf("-Xjsr305=strict")
-        jvmTarget = "17"
+        jvmTarget = "21"
     }
 }
 

docker/Dockerfile

@@ -1,5 +1,5 @@
 # Install dependencies
-FROM eclipse-temurin:17-jdk AS builder
+FROM eclipse-temurin:21-jdk AS builder
 
 ENV \
     JAVA_OPTS="" \
@@ -38,7 +38,7 @@ RUN cd lib/jul && \
 RUN ./gradlew :bco.app.util:installDist -x test -x javadoc --no-daemon --stacktrace
 
 # Switch to baseline image
-FROM eclipse-temurin:17-jre
+FROM eclipse-temurin:21-jre
 
 # # Install app
 COPY --from=builder /workspace/module/app/util/build/install/bco/bin /usr/bin/

module/app/util/build.gradle.kts

@@ -29,7 +29,7 @@ fun createAdditionalScript(name: String, configureStartScripts: CreateStartScrip
     tasks.register<CreateStartScripts>("startScripts$name") {
         configureStartScripts()
         applicationName = name
-        outputDir = File(project.buildDir, "scripts")
+        outputDir = File(project.layout.buildDirectory.get().asFile, "scripts")
         classpath = tasks.getByName("jar").outputs.files + configurations.runtimeClasspath.get()
     }.also {
         application.applicationDistribution.into("bin") {
@@ -117,7 +117,7 @@ tasks.register("deploy-bco-dist") {
     dependsOn("installDist")
     val bcoDist = System.getenv("BCO_DIST") ?: "${System.getenv("HOME")}/usr"
     val mainDist = distributions.getByName("main").distributionBaseName.get()
-    val fromDir = File(project.buildDir, "install/$mainDist")
+    val fromDir = File(project.layout.buildDirectory.get().asFile, "install/$mainDist")
     doFirst {
         copy {
             from(fromDir)
@@ -148,7 +148,7 @@ tasks.register("testDeploy") {
     //println("Copy to ${System.getenv("HOME")}/local/bco_tmp")
     //println("BCO_DIST: ${BCO_DIST}")
     copy {
-        from(File(project.buildDir, "install/bco-test"))
+        from(File(project.layout.buildDirectory.get().asFile, "install/bco-test"))
         into("${System.getenv("HOME")}/local/bco_tmp")
     }
 }