Jian He created YARN-4313:
-----------------------------
Summary: 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
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.
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