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https://issues.apache.org/jira/browse/YARN-2766?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhijie Shen updated YARN-2766:
------------------------------
Summary: ApplicationHistoryManager is expected to return a sorted list of
apps/attempts/containers (was: [JDK 8] TestApplicationHistoryClientService
fails)
> ApplicationHistoryManager is expected to return a sorted list of
> apps/attempts/containers
> ------------------------------------------------------------------------------------------
>
> Key: YARN-2766
> URL: https://issues.apache.org/jira/browse/YARN-2766
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: timelineserver
> Affects Versions: 2.6.0
> Reporter: Robert Kanter
> Assignee: Robert Kanter
> Attachments: YARN-2766.patch, YARN-2766.patch, YARN-2766.patch
>
>
> {{TestApplicationHistoryClientService.testContainers}} and
> {{TestApplicationHistoryClientService.testApplicationAttempts}} both fail
> because the test assertions are assuming a returned Collection is in a
> certain order. The collection comes from a HashMap, so the order is not
> guaranteed, plus, according to [this
> page|http://docs.oracle.com/javase/8/docs/technotes/guides/collections/changes8.html],
> there are situations where the iteration order of a HashMap will be
> different between Java 7 and 8.
> We should fix the test code to not assume a specific ordering.
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