Allow loading custom Groovy extension modules

core/runtime/pom.xml

@@ -192,10 +192,6 @@
                         <parentFirstArtifact>io.quarkus:quarkus-bootstrap-gradle-resolver</parentFirstArtifact>
                         <parentFirstArtifact>io.quarkus:quarkus-junit5-mockito-config</parentFirstArtifact>
 
-                        <!-- RestAssured uses groovy, which seems to do some things with soft references that
-                        prevent the ClassLoader from being GC'ed, see https://github.com/quarkusio/quarkus/issues/12498 -->
-                        <parentFirstArtifact>org.apache.groovy:groovy</parentFirstArtifact>
-
                         <!-- Load the junit engine parent first, so it is shared between the outer dev mode
                         process and the test application-->
                         <parentFirstArtifact>org.junit.platform:junit-platform-launcher</parentFirstArtifact>

test-framework/common/src/main/java/io/quarkus/test/common/GroovyClassValue.java

@@ -0,0 +1,18 @@
+package io.quarkus.test.common;
+
+/**
+ * {@link ClassValue} are used in Groovy which causes memory leaks if not properly cleaned, but unfortunately, they are
+ * very complex to clean up, especially the {@link ClassValue} corresponding to system classes that must be cleaned too
+ * to avoid memory leaks moreover if not cleaned wisely errors of type {@code MissingMethodException} can be thrown, so
+ * we had better to simply disable them by setting the System property {@code groovy.use.classvalue} to {@code false}
+ * see <a href="https://issues.apache.org/jira/browse/GROOVY-7591">GROOVY-7591</a> for more details.
+ */
+public final class GroovyClassValue {
+
+    private GroovyClassValue() {
+    }
+
+    public static void disable() {
+        System.setProperty("groovy.use.classvalue", "false");
+    }
+}

test-framework/junit5-internal/src/main/java/io/quarkus/test/QuarkusDevModeTest.java

@@ -51,7 +51,7 @@
 import io.quarkus.paths.PathList;
 import io.quarkus.runtime.LaunchMode;
 import io.quarkus.runtime.configuration.ProfileManager;
-import io.quarkus.test.common.GroovyCacheCleaner;
+import io.quarkus.test.common.GroovyClassValue;
 import io.quarkus.test.common.PathTestHelper;
 import io.quarkus.test.common.PropertyTestUtil;
 import io.quarkus.test.common.TestResourceManager;
@@ -219,6 +219,7 @@ public Object createTestInstance(TestInstanceFactoryContext factoryContext, Exte
 
     @Override
     public void beforeAll(ExtensionContext context) throws Exception {
+        GroovyClassValue.disable();
         //set the right launch mode in the outer CL, used by the HTTP host config source
         ProfileManager.setLaunchMode(LaunchMode.DEVELOPMENT);
         originalRootLoggerHandlers = rootLogger.getHandlers();
@@ -313,7 +314,6 @@ public void afterAll(ExtensionContext context) throws Exception {
         inMemoryLogHandler.clearRecords();
         inMemoryLogHandler.setFilter(null);
         ClearCache.clearAnnotationCache();
-        GroovyCacheCleaner.clearGroovyCache();
     }
 
     @Override

test-framework/junit5-internal/src/main/java/io/quarkus/test/QuarkusUnitTest.java

@@ -71,7 +71,7 @@
 import io.quarkus.runtime.LaunchMode;
 import io.quarkus.runtime.configuration.ProfileManager;
 import io.quarkus.runtime.logging.JBossVersion;
-import io.quarkus.test.common.GroovyCacheCleaner;
+import io.quarkus.test.common.GroovyClassValue;
 import io.quarkus.test.common.PathTestHelper;
 import io.quarkus.test.common.PropertyTestUtil;
 import io.quarkus.test.common.RestAssuredURLManager;
@@ -506,6 +506,7 @@ private void runExtensionMethod(ReflectiveInvocationContext<Method> invocationCo
 
     @Override
     public void beforeAll(ExtensionContext extensionContext) throws Exception {
+        GroovyClassValue.disable();
         //set the right launch mode in the outer CL, used by the HTTP host config source
         ProfileManager.setLaunchMode(LaunchMode.TEST);
         if (beforeAllCustomizer != null) {
@@ -759,7 +760,6 @@ public void afterAll(ExtensionContext extensionContext) throws Exception {
                 afterAllCustomizer.run();
             }
             ClearCache.clearAnnotationCache();
-            GroovyCacheCleaner.clearGroovyCache();
         }
         if (records != null) {
             assertLogRecords.accept(records);

test-framework/junit5/src/main/java/io/quarkus/test/junit/QuarkusTestExtension.java

@@ -92,7 +92,7 @@
 import io.quarkus.runtime.logging.JBossVersion;
 import io.quarkus.runtime.test.TestHttpEndpointProvider;
 import io.quarkus.test.TestMethodInvoker;
-import io.quarkus.test.common.GroovyCacheCleaner;
+import io.quarkus.test.common.GroovyClassValue;
 import io.quarkus.test.common.PathTestHelper;
 import io.quarkus.test.common.PropertyTestUtil;
 import io.quarkus.test.common.RestAssuredURLManager;
@@ -296,7 +296,6 @@ public void close() throws IOException {
                                 tm.close();
                             } finally {
                                 restorableSystemProperties.close();
-                                GroovyCacheCleaner.clearGroovyCache();
                                 shutdownHangDetection();
                             }
                         }
@@ -645,6 +644,7 @@ private void throwBootFailureException() {
 
     @Override
     public void beforeAll(ExtensionContext context) throws Exception {
+        GroovyClassValue.disable();
         currentTestClassStack.push(context.getRequiredTestClass());
         //set the right launch mode in the outer CL, used by the HTTP host config source
         ProfileManager.setLaunchMode(LaunchMode.TEST);