paul8263 commented on a change in pull request #15927:
URL: https://github.com/apache/flink/pull/15927#discussion_r638418295
##########
File path:
flink-runtime/src/test/java/org/apache/flink/runtime/execution/librarycache/FlinkUserCodeClassLoadersTest.java
##########
@@ -208,6 +212,64 @@ public void testRepeatedParentFirstPatternClass() throws
Exception {
childClassLoader.close();
}
+ @Test
+ public void testGetClassLoaderInfo() {
+ final String className = FlinkUserCodeClassLoadersTest.class.getName();
+ final String parentFirstPattern = className.substring(0,
className.lastIndexOf('.'));
+
+ final ClassLoader parentClassLoader = getClass().getClassLoader();
+
+ final URL childCodePath =
getClass().getProtectionDomain().getCodeSource().getLocation();
+
+ final URLClassLoader childClassLoader =
+ FlinkUserCodeClassLoaders.childFirst(
+ new URL[] {childCodePath},
+ parentClassLoader,
+ new String[] {parentFirstPattern},
+ NOOP_EXCEPTION_HANDLER,
+ true);
+
+ String formattedURL = null;
+ try {
+ formattedURL = ClassLoaderUtil.formatURL(childCodePath);
+ } catch (IOException e) {
+ // Should not fail here
+ fail();
+ }
+
+ assertEquals(
+ ClassLoaderUtil.getUserCodeClassLoaderInfo(childClassLoader),
+ "URL ClassLoader:" + formattedURL);
+ }
+
+ @Test
+ public void testGetClassLoaderInfoWithClassLoaderClosed() {
+ final String className = FlinkUserCodeClassLoadersTest.class.getName();
+ final String parentFirstPattern = className.substring(0,
className.lastIndexOf('.'));
+
+ final ClassLoader parentClassLoader = getClass().getClassLoader();
+
+ final URL childCodePath =
getClass().getProtectionDomain().getCodeSource().getLocation();
+
+ final URLClassLoader childClassLoader =
+ FlinkUserCodeClassLoaders.childFirst(
+ new URL[] {childCodePath},
+ parentClassLoader,
+ new String[] {parentFirstPattern},
+ NOOP_EXCEPTION_HANDLER,
+ true);
+
+ try {
+ childClassLoader.close();
+ } catch (IOException e) {
+ fail("Cannot close child classloader");
+ }
Review comment:
It was fixed in c927703
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