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https://issues.apache.org/jira/browse/MAPREDUCE-2237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13100166#comment-13100166
]
Hadoop QA commented on MAPREDUCE-2237:
--------------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12493561/MAPREDUCE-2237-0.23.2.patch
against trunk revision .
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 3 new or modified tests.
+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 findbugs. The patch appears to introduce 14 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 failed these unit tests:
org.apache.hadoop.yarn.server.nodemanager.TestNMAuditLogger
+1 contrib tests. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/641//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/641//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-mapreduce-client-hs.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/641//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-mapreduce-client-shuffle.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/641//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-mapreduce-client-common.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/641//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-mapreduce-client-app.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/641//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-mapreduce-client-jobclient.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/641//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-mapreduce-client-core.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/641//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-yarn-server-common.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/641//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-yarn-server-resourcemanager.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/641//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-yarn-server-nodemanager.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/641//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-yarn-common.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/641//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-yarn-api.html
Console output:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/641//console
This message is automatically generated.
> Lost heartbeat response containing MapTask throws NPE when it is resent
> -----------------------------------------------------------------------
>
> Key: MAPREDUCE-2237
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2237
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: jobtracker
> Affects Versions: 0.20.2, 0.21.0, 0.22.0
> Reporter: Todd Lipcon
> Assignee: Devaraj K
> Fix For: 0.23.0
>
> Attachments: MAPREDUCE-2237-0.20.patch, MAPREDUCE-2237-0.23.1.patch,
> MAPREDUCE-2237-0.23.2.patch, MAPREDUCE-2237-0.23.patch
>
>
> When the JT sends a heartbeat response, it records it in
> trackerToHeartbeatResponseMap. But after MapTask writes its input split, it
> sets that split to null (assumedly to save memory?). So, if the heartbeat
> response is lost, and the JT needs to resend it, it will throw NPE since the
> split information has been lost.
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