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From "Akira Ajisaka (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6150) TestContainerManagerSecurity tests for Yarn Server are flakey
Date Mon, 24 Jul 2017 06:58:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16098007#comment-16098007
] 

Akira Ajisaka commented on YARN-6150:
-------------------------------------

In branch-2, the following error messages are shown many times:
{noformat}
2017-07-24 15:13:22,921 ERROR [Node Status Updater] nodemanager.NodeStatusUpdaterImpl (NodeStatusUpdaterImpl.java:run(883))
- Caught exception in status-updater
java.lang.IncompatibleClassChangeError: Found interface org.apache.hadoop.yarn.server.api.protocolrecords.NodeHeartbeatResponse,
but class was expected
        at org.apache.hadoop.yarn.server.utils.YarnServerBuilderUtils.newNodeHeartbeatResponse(YarnServerBuilderUtils.java:56)
        at org.apache.hadoop.yarn.server.resourcemanager.ResourceTrackerService.nodeHeartbeat(ResourceTrackerService.java:539)
        at org.apache.hadoop.yarn.server.MiniYARNCluster$ShortCircuitedNodeManager$1$1.nodeHeartbeat(MiniYARNCluster.java:684)
        at org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl$1.run(NodeStatusUpdaterImpl.java:793)
        at java.lang.Thread.run(Thread.java:745)
{noformat}
YARN-3732 changed NodeHeartbeatResponse from interface to abstract class, so the error does
not happen. I cherry-picked YARN-3732 to branch-2 locally and the test passed.

> TestContainerManagerSecurity tests for Yarn Server are flakey
> -------------------------------------------------------------
>
>                 Key: YARN-6150
>                 URL: https://issues.apache.org/jira/browse/YARN-6150
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: yarn
>            Reporter: Daniel Sturman
>            Assignee: Daniel Sturman
>         Attachments: YARN-6150.001.patch, YARN-6150.002.patch, YARN-6150.003.patch, YARN-6150.004.patch,
YARN-6150.005.patch, YARN-6150.006.patch, YARN-6150.007.patch
>
>
> Repeated runs of {{org.apache.hadoop.yarn.server.TestContainerManagedSecurity}} can either
pass or fail on repeated runs on the same codebase.  Also, the two runs (one in secure mode,
one without security) aren't well labeled in JUnit.



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