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https://issues.apache.org/jira/browse/YARN-1281?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsuyoshi OZAWA updated YARN-1281:
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Attachment: YARN-1281.1.patch
Thank you for comment, Mit. Assigned this issue to myself.
{code}
@Override
public ZooKeeper getNewZooKeeper()
throws IOException, InterruptedException {
return createClient(watcher, hostPort, 100);
}
{code}
I suspect that the timeout value is too short to connect ZK servers, because
Jenkins servers can get overload sometimes. Attached patch changes the test to
add timeout value. I'm running the test hundreds times on local. I'll report
the result.
The following comments are observation from code and log.
1. ZK server startups correctly and its client fails to connect to server. We
can observe it from the log, .
2. ZKRMStateStore is not called stop() method after testing, but its connection
is cleaned up after testing in ClientBaseWithFixes#tearDown. IIUC, it works
well.
> TestZKRMStateStoreZKClientConnections fails intermittently
> ----------------------------------------------------------
>
> Key: YARN-1281
> URL: https://issues.apache.org/jira/browse/YARN-1281
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Reporter: Karthik Kambatla
> Assignee: Tsuyoshi OZAWA
> Attachments: YARN-1281.1.patch, output.txt
>
>
> The test fails intermittently - haven't been able to reproduce the failure
> deterministically.
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