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https://issues.apache.org/jira/browse/YARN-1522?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13853620#comment-13853620
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Liyin Liang commented on YARN-1522:
-----------------------------------
When the case failed, the log file contains the following line:
{code}
2013-12-19 11:37:42,492 INFO [main] resourcemanager.TestApplicationCleanup
(TestApplicationCleanup.java:testAppCleanup(109)) - Waiting to get cleanup
events.. cleanedConts: 0 cleanedApps: 1
{code}
So before the while loop, apps.size() equals to one. During the while loop,
after another heartbeat, apps.size() will be zero. Then after the while loop,
{code}
Assert.assertEquals(1, apps.size());
{code}
fails.
> TestApplicationCleanup.testAppCleanup occasionally fails
> --------------------------------------------------------
>
> Key: YARN-1522
> URL: https://issues.apache.org/jira/browse/YARN-1522
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 2.2.0
> Reporter: Liyin Liang
>
> TestApplicationCleanup is occasionally failing with the error:
> {code}
> -------------------------------------------------------------------------------
> Test set: org.apache.hadoop.yarn.server.resourcemanager.TestApplicationCleanup
> -------------------------------------------------------------------------------
> Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 6.215 sec <<<
> FAILURE! - in
> org.apache.hadoop.yarn.server.resourcemanager.TestApplicationCleanup
> testAppCleanup(org.apache.hadoop.yarn.server.resourcemanager.TestApplicationCleanup)
> Time elapsed: 5.555 sec <<< FAILURE!
> junit.framework.AssertionFailedError: expected:<1> but was:<0>
> at
> org.apache.hadoop.yarn.server.resourcemanager.TestApplicationCleanup.testAppCleanup(TestApplicationCleanup.java:119)
> {code}
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