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https://issues.apache.org/jira/browse/MAPREDUCE-3931?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13218746#comment-13218746
 ] 

Hadoop QA commented on MAPREDUCE-3931:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12516463/MR3931.txt
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  The patch doesn't appear to include any new or modified 
tests.
                        Please justify why no new tests are needed for this 
patch.
                        Also please list what manual steps were performed to 
verify this patch.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac 
compiler warnings.

    +1 eclipse:eclipse.  The patch built with eclipse:eclipse.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) 
warnings.

    +1 release audit.  The applied patch does not increase the total number of 
release audit warnings.

    +1 core tests.  The patch passed unit tests in .

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: 
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1956//testReport/
Console output: 
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1956//console

This message is automatically generated.
                
> MR tasks failing due to changing timestamps on Resources to download
> --------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3931
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3931
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Siddharth Seth
>             Fix For: 0.23.2
>
>         Attachments: MR3931.txt
>
>
> [~karams] reported this offline. Seems that tasks are randomly failing during 
> gridmix runs:
> {code}
> 2012-02-24 21:03:34,912 INFO [AsyncDispatcher event handler] 
> org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl: Diagnostics 
> report from attempt_1330116323296_0140_m_003868_0: RemoteTrace:
> java.io.IOException: Resource 
> hdfs://hostname.com:8020/user/hadoop15/.staging/job_1330116323296_0140/job.jar
>  changed on src filesystem (expected 2971811411, was 1330116705875
>        at org.apache.hadoop.yarn.util.FSDownload.copy(FSDownload.java:90)
>        at 
> org.apache.hadoop.yarn.util.FSDownload.access$000(FSDownload.java:49)
>        at org.apache.hadoop.yarn.util.FSDownload$1.run(FSDownload.java:157)
>        at org.apache.hadoop.yarn.util.FSDownload$1.run(FSDownload.java:155)
>        at java.security.AccessController.doPrivileged(Native Method)
>        at javax.security.auth.Subject.doAs(Subject.java:396)
>        at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1177)
>        at org.apache.hadoop.yarn.util.FSDownload.call(FSDownload.java:153)
>        at org.apache.hadoop.yarn.util.FSDownload.call(FSDownload.java:49)
>        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
>        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
>        at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
>        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
>        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
>        at 
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>        at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>        at java.lang.Thread.run(Thread.java:619)
>  at LocalTrace:
>        org.apache.hadoop.yarn.exceptions.impl.pb.YarnRemoteExceptionPBImpl: 
> Resource 
> hdfs://hostname.com:8020/user/hadoop15/.staging/job_1330116323296_0140/job.jar
>  changed on src filesystem (expected 2971811411, was 1330116705875
>        at 
> org.apache.hadoop.yarn.server.nodemanager.api.protocolrecords.impl.pb.LocalResourceStatusPBImpl.convertFromProtoFormat(LocalResourceStatusPBImpl.java:217)
>        at 
> org.apache.hadoop.yarn.server.nodemanager.api.protocolrecords.impl.pb.LocalResourceStatusPBImpl.getException(LocalResourceStatusPBImpl.java:147)
>        at 
> org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService$LocalizerRunner.update(ResourceLocalizationService.java:827)
>        at 
> org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService$LocalizerTracker.processHeartbeat(ResourceLocalizationService.java:497)
>        at 
> org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.heartbeat(ResourceLocalizationService.java:222)
>        at 
> org.apache.hadoop.yarn.server.nodemanager.api.impl.pb.service.LocalizationProtocolPBServiceImpl.heartbeat(LocalizationProtocolPBServiceImpl.java:46)
>        at 
> org.apache.hadoop.yarn.proto.LocalizationProtocol$LocalizationProtocolService$2.callBlockingMethod(LocalizationProtocol.java:57)
>        at 
> org.apache.hadoop.yarn.ipc.ProtoOverHadoopRpcEngine$Server.call(ProtoOverHadoopRpcEngine.java:342)
>        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1493)
>        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1489)
>        at java.security.AccessController.doPrivileged(Native Method)
>        at javax.security.auth.Subject.doAs(Subject.java:396)
>        at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1177)
>        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1487)
> {code}

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