slfan1989 commented on code in PR #6068:
URL: https://github.com/apache/hadoop/pull/6068#discussion_r1325823017
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hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/test/java/org/apache/hadoop/yarn/server/uam/TestUnmanagedApplicationManager.java:
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@@ -518,6 +518,10 @@ public void testSeparateThreadWithoutBlockServiceStop()
throws Exception {
Assert.assertNotNull(unmanagedAppMasterMap);
Assert.assertEquals(2, unmanagedAppMasterMap.size());
+ // threadpool may be shutdown before finishApplicationThread is executed.
+ threadpool.shutdownNow();
Review Comment:
In actual situations, what situations would cause the thread pool to be
terminated?
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