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https://issues.apache.org/jira/browse/HADOOP-4041?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12714861#action_12714861
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Hadoop QA commented on HADOOP-4041:
-----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12409431/HADOOP-4041-v4.patch
against trunk revision 780114.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 5 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 generated 496 release audit warnings
(more than the trunk's current 495 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-vesta.apache.org/441/testReport/
Release audit warnings:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/441/artifact/trunk/current/releaseAuditDiffWarnings.txt
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/441/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/441/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/441/console
This message is automatically generated.
> IsolationRunner does not work as documented
> -------------------------------------------
>
> Key: HADOOP-4041
> URL: https://issues.apache.org/jira/browse/HADOOP-4041
> Project: Hadoop Core
> Issue Type: Bug
> Components: documentation, mapred
> Affects Versions: 0.18.0
> Reporter: Yuri Pradkin
> Assignee: Philip Zeyliger
> Attachments: HADOOP-4041-v2.patch, HADOOP-4041-v3.patch,
> HADOOP-4041-v4.patch, hadoop-4041.patch
>
>
> IsolationRunner does not work as documented in the tutorial.
> The tutorial says "To use the IsolationRunner, first set
> keep.failed.tasks.files to true (also see keep.tasks.files.pattern)."
> Should be:
> keep.failed.task.files (not tasks)
> After the above was set (quoted from my message on hadoop-core):
> > After the task
> > hung, I failed it via the web interface. Then I went to the node that was
> > running this task
> >
> > $ cd ...local/taskTracker/jobcache/job_200808071645_0001/work
> > (this path is already different from the tutorial's)
> >
> > $ hadoop org.apache.hadoop.mapred.IsolationRunner ../job.xml
> > Exception in thread "main" java.lang.NullPointerException
> > at
> > org.apache.hadoop.mapred.IsolationRunner.main(IsolationRunner.java:164)
> >
> > Looking at IsolationRunner code, I see this:
> >
> > 164 File workDirName = new File(lDirAlloc.getLocalPathToRead(
> > 165 TaskTracker.getJobCacheSubdir()
> > 166 + Path.SEPARATOR +
> > taskId.getJobID()
> > 167 + Path.SEPARATOR + taskId
> > 168 + Path.SEPARATOR + "work",
> > 169 conf). toString());
> >
> > I.e. it assumes there is supposed to be a taskID subdirectory under the job
> > dir, but:
> > $ pwd
> > ...mapred/local/taskTracker/jobcache/job_200808071645_0001
> > $ ls
> > jars job.xml work
> >
> > -- it's not there.
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