NicoK commented on a change in pull request #10113: [FLINK-13749][client] Make
PackagedProgram respect classloading policy
URL: https://github.com/apache/flink/pull/10113#discussion_r345252913
##########
File path:
flink-tests/src/test/java/org/apache/flink/test/classloading/ClassLoaderITCase.java
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@@ -384,4 +390,72 @@ public void testDisposeSavepointWithCustomKvState()
throws Exception {
invokeThread.join(deadline.timeLeft().toMillis());
assertFalse("Program invoke thread still running",
invokeThread.isAlive());
}
+
+ @Test
+ public void testProgramWithChildFirstClassLoader() throws IOException,
ProgramInvocationException {
+ // We have two files named test-resource in src/resource
(parent classloader classpath) and
+ // tmp folders (child classloader classpath) respectively.
+ String childResourceDirName = "child0";
+ String testResourceName = "test-resource";
+ File childResourceDir = FOLDER.newFolder(childResourceDirName);
+ File childResource = new
File(childResourceDir.getAbsolutePath() + File.separator + testResourceName);
+ Files.touch(childResource);
+
+ TestStreamEnvironment.setAsContext(
+ miniClusterResource.getMiniCluster(),
+ parallelism,
+ Collections.singleton(new
Path(CLASSLOADING_POLICY_JAR_PATH)),
+ Collections.emptyList());
+
+ // default child first classloading
+ final PackagedProgram childFirstProgram =
PackagedProgram.newBuilder()
+ .setJarFile(new File(CLASSLOADING_POLICY_JAR_PATH))
+
.setUserClassPaths(Lists.newArrayList(childResourceDir.toURI().toURL()))
+ .setArguments(new String[]{testResourceName,
childResourceDirName})
Review comment:
nit: we can go without the explicit array creation
```suggestion
.setArguments(testResourceName, childResourceDirName)
```
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