Fix lazy task configuration and extract workaround helper

- Use lazy task resolution for javadocJar (map instead of get)
- Use task matching for assembleReleaseJar (registered in afterEvaluate)
- Extract javaLauncher workaround to documented helper methods

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: jbachorik

build-logic/conventions/src/main/kotlin/com/datadoghq/profiler/ProfilerTestPlugin.kt

@@ -93,12 +93,8 @@ class ProfilerTestPlugin : Plugin<Project> {
         // Use JUnit Platform
         task.useJUnitPlatform()
 
-        // Disable Gradle 9 toolchain probing (fails on musl with glibc probe binary)
-        // Use explicit executable path instead
-        @Suppress("NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS")
-        task.javaLauncher.convention(null as org.gradle.jvm.toolchain.JavaLauncher?)
-        @Suppress("NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS")
-        task.javaLauncher.value(null as org.gradle.jvm.toolchain.JavaLauncher?)
+        // Disable toolchain probing and set explicit executable
+        disableToolchainProbing(task)
         task.setExecutable(PlatformUtils.testJavaExecutable())
 
         // Standard environment variables
@@ -125,13 +121,8 @@ class ProfilerTestPlugin : Plugin<Project> {
     }
 
     private fun configureJavaExecTask(task: JavaExec, extension: ProfilerTestExtension, project: Project) {
-        // Disable Gradle 9 toolchain probing (fails on musl with glibc probe binary)
-        // Use explicit executable path instead
-        // Note: Must clear convention AND set value to prevent toolchain resolution
-        @Suppress("NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS")
-        task.javaLauncher.convention(null as org.gradle.jvm.toolchain.JavaLauncher?)
-        @Suppress("NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS")
-        task.javaLauncher.value(null as org.gradle.jvm.toolchain.JavaLauncher?)
+        // Disable toolchain probing and set explicit executable
+        disableToolchainProbing(task)
         task.setExecutable(PlatformUtils.testJavaExecutable())
 
         // JVM arguments for JavaExec tasks
@@ -143,6 +134,31 @@ class ProfilerTestPlugin : Plugin<Project> {
         }
     }
 
+    /**
+     * Disables Gradle 9 toolchain probing for tasks with javaLauncher property.
+     *
+     * Gradle 9's toolchain probing uses a glibc-compiled probe binary that fails on musl (Alpine).
+     * This workaround clears both the convention and value to prevent any toolchain resolution.
+     *
+     * Must set both convention(null) AND value(null) because:
+     * - convention(null) clears the default toolchain convention
+     * - value(null) clears any provider-based value
+     * Without both, Gradle may still attempt to resolve the toolchain.
+     */
+    private fun disableToolchainProbing(task: org.gradle.api.tasks.JavaExec) {
+        @Suppress("NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS")
+        task.javaLauncher.convention(null as org.gradle.jvm.toolchain.JavaLauncher?)
+        @Suppress("NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS")
+        task.javaLauncher.value(null as org.gradle.jvm.toolchain.JavaLauncher?)
+    }
+
+    private fun disableToolchainProbing(task: org.gradle.api.tasks.testing.Test) {
+        @Suppress("NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS")
+        task.javaLauncher.convention(null as org.gradle.jvm.toolchain.JavaLauncher?)
+        @Suppress("NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS")
+        task.javaLauncher.value(null as org.gradle.jvm.toolchain.JavaLauncher?)
+    }
+
     private fun generateMultiConfigTasks(project: Project, extension: ProfilerTestExtension) {
         val nativeBuildExt = project.rootProject.extensions.findByType(NativeBuildExtension::class.java)
             ?: return  // No native build extension, nothing to generate

ddprof-lib/build.gradle.kts

@@ -185,7 +185,7 @@ val javadocJar by tasks.registering(Jar::class) {
   archiveBaseName.set(libraryName)
   archiveClassifier.set("javadoc")
   archiveVersion.set(componentVersion)
-  from(tasks.javadoc.get().destinationDir)
+  from(tasks.javadoc.map { it.destinationDir!! })
 }
 
 // Publishing configuration
@@ -273,9 +273,10 @@ afterEvaluate {
 }
 
 // Ensure published artifacts depend on release JAR
+// Note: assembleReleaseJar is registered in afterEvaluate, so use matching instead of named
 tasks.withType<AbstractPublishToMaven>().configureEach {
   if (name.contains("AssembledPublication")) {
-    dependsOn(tasks.named("assembleReleaseJar"))
+    dependsOn(tasks.matching { it.name == "assembleReleaseJar" })
   }
   rootProject.subprojects.forEach { subproject ->
     mustRunAfter(subproject.tasks.matching { it is VerificationTask })