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Hudson commented on YARN-4313: ------------------------------ FAILURE: Integrated in Hadoop-Yarn-trunk #1339 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/1339/]) YARN-4313. Race condition in MiniMRYarnCluster when getting history (xgong: rev 7412ff48eeb967c972c19c1370c77a41c5b3b81f) * hadoop-yarn-project/CHANGES.txt * hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/MiniMRYarnCluster.java > Race condition in MiniMRYarnCluster when getting history server address > ----------------------------------------------------------------------- > > Key: YARN-4313 > URL: https://issues.apache.org/jira/browse/YARN-4313 > Project: Hadoop YARN > Issue Type: Bug > Reporter: Jian He > Assignee: Jian He > Fix For: 2.8.0, 2.7.2 > > Attachments: YARN-4313.1.patch, YARN-4313.2.patch > > > Problem in this place when waiting for JHS to be started > {code} > new Thread() { > public void run() { > historyServer.start(); > }; > }.start(); > while (historyServer.getServiceState() == STATE.INITED) { > LOG.info("Waiting for HistoryServer to start..."); > Thread.sleep(1500); > } > {code} > The service state is updated before the service is actually started. See > AbstractServic#start. So it's possible that when the while loop breaks, the > service is not yet started. -- This message was sent by Atlassian JIRA (v6.3.4#6332)