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From "Sangjin Lee (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-5957) AM throws ClassNotFoundException with job classloader enabled if custom output format/committer is used
Date Thu, 17 Jul 2014 14:13:05 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5957?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sangjin Lee updated MAPREDUCE-5957:
-----------------------------------

    Attachment: MAPREDUCE-5957.patch

Fixed the javadoc.

> 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
>         Attachments: 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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