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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6096) SummarizedJob class NPEs with some jhist files
Date Tue, 30 Jun 2015 06:10:04 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14607563#comment-14607563
] 

Hadoop QA commented on MAPREDUCE-6096:
--------------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  16m 34s | Pre-patch trunk compilation is healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any @author tags.
|
| {color:green}+1{color} | tests included |   0m  0s | The patch appears to include 2 new
or modified test files. |
| {color:green}+1{color} | javac |   7m 51s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |   9m 53s | There were no new javadoc warning messages.
|
| {color:red}-1{color} | release audit |   0m 24s | The applied patch generated 2 release
audit warnings. |
| {color:green}+1{color} | checkstyle |   0m 50s | There were no new checkstyle issues. |
| {color:red}-1{color} | whitespace |   0m  0s | The patch has 3  line(s) that end in whitespace.
Use git apply --whitespace=fix. |
| {color:green}+1{color} | install |   1m 40s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 35s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   1m 29s | The patch does not introduce any new Findbugs
(version 3.0.0) warnings. |
| {color:green}+1{color} | mapreduce tests |   1m 46s | Tests passed in hadoop-mapreduce-client-core.
|
| | |  41m  5s | |
\\
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12705016/MAPREDUCE-6096-v8.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / d3797f9 |
| Release Audit | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5861/artifact/patchprocess/patchReleaseAuditProblems.txt
|
| whitespace | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5861/artifact/patchprocess/whitespace.txt
|
| hadoop-mapreduce-client-core test log | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5861/artifact/patchprocess/testrun_hadoop-mapreduce-client-core.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5861/testReport/
|
| Java | 1.7.0_55 |
| uname | Linux asf903.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep
3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Console output | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5861/console |


This message was automatically generated.

> SummarizedJob class NPEs with some jhist files
> ----------------------------------------------
>
>                 Key: MAPREDUCE-6096
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6096
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobhistoryserver
>            Reporter: zhangyubiao
>              Labels: BB2015-05-TBR, easyfix, patch
>         Attachments: MAPREDUCE-6096-v2.patch, MAPREDUCE-6096-v3.patch, MAPREDUCE-6096-v4.patch,
MAPREDUCE-6096-v5.patch, MAPREDUCE-6096-v6.patch, MAPREDUCE-6096-v7.patch, MAPREDUCE-6096-v8.patch,
MAPREDUCE-6096.patch, job_1410427642147_0124-1411726671220-hadp-word+count-1411726696863-1-1-SUCCEEDED-default.jhist
>
>
> When I Parse  the JobHistory in the HistoryFile,I use the Hadoop System's  map-reduce-client-core
project org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser  class and HistoryViewer$SummarizedJob
to Parse the JobHistoryFile(Just Like job_1408862281971_489761-1410883171851_XXX.jhist)  
> and it throw an Exception Just Like 
> Exception in thread "pool-1-thread-1" java.lang.NullPointerException
> 	at org.apache.hadoop.mapreduce.jobhistory.HistoryViewer$SummarizedJob.<init>(HistoryViewer.java:626)
> 	at com.jd.hadoop.log.parse.ParseLogService.getJobDetail(ParseLogService.java:70)
> After I'm see the SummarizedJob class I  find that attempt.getTaskStatus() is NULL ,
So I change the order of 
> attempt.getTaskStatus().equals (TaskStatus.State.FAILED.toString())  to 
> TaskStatus.State.FAILED.toString().equals(attempt.getTaskStatus()) 
> and it works well .
> So I wonder If we can change all  attempt.getTaskStatus()  after TaskStatus.State.XXX.toString()
?



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