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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5957) AM throws ClassNotFoundException with job classloader enabled if custom output format/committer is used
Date Tue, 22 Jul 2014 14:02:09 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5957?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14070282#comment-14070282
] 

Hudson commented on MAPREDUCE-5957:
-----------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk #1812 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/1812/])
MAPREDUCE-5957. AM throws ClassNotFoundException with job classloader enabled if custom output
format/committer is used. Contributed by Sangjin Lee (jlowe: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1612358)
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/MRAppMaster.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/commit/CommitterEventHandler.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapreduce/v2/util/MRApps.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/TestMRJobs.java


> AM throws ClassNotFoundException with job classloader enabled if custom output format/committer
is used
> -------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5957
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5957
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 2.4.0
>            Reporter: Sangjin Lee
>            Assignee: Sangjin Lee
>             Fix For: 3.0.0, 2.6.0
>
>         Attachments: MAPREDUCE-5957.branch-2.patch, MAPREDUCE-5957.patch, MAPREDUCE-5957.patch,
MAPREDUCE-5957.patch, MAPREDUCE-5957.patch, MAPREDUCE-5957.patch, MAPREDUCE-5957.patch
>
>
> With the job classloader enabled, the MR AM throws ClassNotFoundException if a custom
output format class is specified.
> {noformat}
> org.apache.hadoop.yarn.exceptions.YarnRuntimeException: java.lang.RuntimeException: java.lang.ClassNotFoundException:
Class com.foo.test.TestOutputFormat not found
> 	at org.apache.hadoop.mapreduce.v2.app.MRAppMaster.createOutputCommitter(MRAppMaster.java:473)
> 	at org.apache.hadoop.mapreduce.v2.app.MRAppMaster.serviceInit(MRAppMaster.java:374)
> 	at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
> 	at org.apache.hadoop.mapreduce.v2.app.MRAppMaster$1.run(MRAppMaster.java:1459)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:415)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548)
> 	at org.apache.hadoop.mapreduce.v2.app.MRAppMaster.initAndStartAppMaster(MRAppMaster.java:1456)
> 	at org.apache.hadoop.mapreduce.v2.app.MRAppMaster.main(MRAppMaster.java:1389)
> Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException: Class com.foo.test.TestOutputFormat
not found
> 	at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:1895)
> 	at org.apache.hadoop.mapreduce.task.JobContextImpl.getOutputFormatClass(JobContextImpl.java:222)
> 	at org.apache.hadoop.mapreduce.v2.app.MRAppMaster.createOutputCommitter(MRAppMaster.java:469)
> 	... 8 more
> Caused by: java.lang.ClassNotFoundException: Class com.foo.test.TestOutputFormat not
found
> 	at org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:1801)
> 	at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:1893)
> 	... 10 more
> {noformat}



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