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https://issues.apache.org/jira/browse/HADOOP-5394?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12694780#action_12694780
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Hadoop QA commented on HADOOP-5394:
-----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12404329/HADOOP-5394-v1.9.1.patch
against trunk revision 760783.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 18 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 does not introduce any new Findbugs warnings.
+1 Eclipse classpath. The patch retains Eclipse classpath integrity.
+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 failed contrib unit tests.
Test results:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-minerva.apache.org/91/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-minerva.apache.org/91/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-minerva.apache.org/91/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-minerva.apache.org/91/console
This message is automatically generated.
> JobTracker might schedule 2 attempts of the same task with the same attempt
> id across restarts
> ----------------------------------------------------------------------------------------------
>
> Key: HADOOP-5394
> URL: https://issues.apache.org/jira/browse/HADOOP-5394
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Reporter: Amar Kamat
> Assignee: Amar Kamat
> Priority: Critical
> Attachments: HADOOP-5394-v1.2.patch, HADOOP-5394-v1.5.patch,
> HADOOP-5394-v1.9.1.patch
>
>
> This can happen when the jobtracker gets restarted more than once. In such
> cases, the jobtracker depends on the jobhistory file for the next restart
> count. If the new restart-count is not flushed to the file then there is a
> fair chance that upon next restart, the jobtracker might schedule a new
> attempt with an existing id. This can cause problems not only with the
> side-effect files but also can cause the jobtracker to be in an inconsistent
> state.
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