Github user aljoscha commented on a diff in the pull request: https://github.com/apache/flink/pull/4690#discussion_r140515705 --- Diff: flink-runtime/src/test/java/org/apache/flink/runtime/jobgraph/JobTaskVertexTest.java --- @@ -84,10 +88,10 @@ public void testConnectMultipleTargets() { @Test public void testOutputFormatVertex() { try { - final TestingOutputFormat outputFormat = new TestingOutputFormat(); + final OutputFormat outputFormat = new TestingOutputFormat(); final OutputFormatVertex of = new OutputFormatVertex("Name"); new TaskConfig(of.getConfiguration()).setStubWrapper(new UserCodeObjectWrapper<OutputFormat<?>>(outputFormat)); - final ClassLoader cl = getClass().getClassLoader(); + final ClassLoader cl = new FlinkUserCodeClassLoader(new URL[0], getClass().getClassLoader()); --- End diff -- This doesn't exist anymore but you can use `FlinkUserCodeClassLoaders.childFirst()`/`parentFirst()`.
---