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https://issues.apache.org/jira/browse/MAPREDUCE-1707?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12863322#action_12863322
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Hadoop QA commented on MAPREDUCE-1707:
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-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12443273/MAPREDUCE-1707-20100430.txt
against trunk revision 940364.
+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 findbugs. The patch does not introduce any new Findbugs warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
-1 core tests. The patch failed core unit tests.
+1 contrib tests. The patch passed contrib unit tests.
Test results:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/161/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/161/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/161/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/161/console
This message is automatically generated.
> TaskRunner can get NPE in getting ugi from TaskTracker
> ------------------------------------------------------
>
> Key: MAPREDUCE-1707
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1707
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: tasktracker
> Affects Versions: 0.22.0
> Reporter: Amareshwari Sriramadasu
> Assignee: Vinod K V
> Fix For: 0.22.0
>
> Attachments: MAPREDUCE-1707-20100429.txt, MAPREDUCE-1707-20100430.txt
>
>
> The following code in TaskRunner can get NPE in the scenario described below.
> {code}
> UserGroupInformation ugi =
> tracker.getRunningJob(t.getJobID()).getUGI();
> {code}
> The scenario:
> Tracker got a LaunchTaskAction; Task is localized and TaskRunner is started.
> Then Tracker got a KillJobAction; This would issue a kill for the task. But,
> kill will be a no-op because the task did not actually start; The job is
> removed from runningJobs.
> Then if TaskRunner calls tracker.getRunningJob(t.getJobID()), it will be null.
> Instead of TaskRunner doing a back call to tasktracker to get the ugi,
> tracker.getRunningJob(t.getJobID()).getUGI(), ugi should be passed a
> parameter in the constructor of TaskRunner.
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