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https://issues.apache.org/jira/browse/YARN-3562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14527793#comment-14527793
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Sangjin Lee commented on YARN-3562:
-----------------------------------

OK, the latest run seems more sane. You might want to take a look at the latest 
unit test failures. At least some failures seem relevant to our branch.

I have a login to the apache build server (being an Apache committer), and can 
kick off a build directly on the build server.

> unit tests failures and issues found from findbug from earlier ATS checkins
> ---------------------------------------------------------------------------
>
>                 Key: YARN-3562
>                 URL: https://issues.apache.org/jira/browse/YARN-3562
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>    Affects Versions: YARN-2928
>            Reporter: Sangjin Lee
>            Assignee: Naganarasimha G R
>            Priority: Minor
>         Attachments: YARN-3562-YARN-2928.001.patch
>
>
> *Issues reported from MAPREDUCE-6337* :
> A bunch of MR unit tests are failing on our branch whenever the mini YARN 
> cluster needs to bring up multiple node managers.
> For example, see 
> https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5472/testReport/org.apache.hadoop.mapred/TestClusterMapReduceTestCase/testMapReduceRestarting/
> It is because the NMCollectorService is using a fixed port for the RPC (8048).
> *Issues reported from YARN-3044* :
> Test case failures and tools(FB & CS) issues found :
> # find bugs issue : Comparison of String objects using == or != in 
> ResourceTrackerService.updateAppCollectorsMap
> # find bugs issue : Boxing/unboxing to parse a primitive 
> RMTimelineCollectorManager.postPut. Called method Long.longValue()
> Should call Long.parseLong(String) instead.
> # find bugs issue : DM_DEFAULT_ENCODING Called method new 
> java.io.FileWriter(String, boolean) At 
> FileSystemTimelineWriterImpl.java:\[line 86\]
> # hadoop.yarn.server.resourcemanager.TestAppManager, 
> hadoop.yarn.server.resourcemanager.rmapp.TestRMAppTransitions, 
> hadoop.yarn.server.resourcemanager.TestClientRMService & 
> hadoop.yarn.server.resourcemanager.logaggregationstatus.TestRMAppLogAggregationStatus,
>  refer https://builds.apache.org/job/PreCommit-YARN-Build/7534/testReport/



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