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From "Sangjin Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6293) uberized job fails with the job classloader enabled
Date Thu, 26 Mar 2015 04:45:53 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6293?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14381361#comment-14381361
] 

Sangjin Lee commented on MAPREDUCE-6293:
----------------------------------------

The test failures are highly likely to be existing issues on the trunk (HADOOP-10670). Basically
the RM in a mini YARN cluster fails to start. I see these failures with a clean trunk build.

> uberized job fails with the job classloader enabled
> ---------------------------------------------------
>
>                 Key: MAPREDUCE-6293
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6293
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mr-am
>    Affects Versions: 2.6.0
>            Reporter: Sangjin Lee
>            Assignee: Sangjin Lee
>         Attachments: MAPREDUCE-6293.001.patch
>
>
> An uberized job fails if the job classloader is enabled and the job needs to use the
thread context classloader to load a class. Some example error in the log:
> {quote}
> 2015-03-23 23:28:34,675 INFO [main\] org.apache.hadoop.mapreduce.v2.util.MRApps: Creating
job classloader
> ...
> 2015-03-23 23:28:42,096 ERROR [uber-SubtaskRunner\] cascading.provider.ServiceLoader:
unable to find service class: cascading.tuple.hadoop.collect.HadoopTupleMapFactory, with exception:
java.lang.ClassNotFoundException: cascading.tuple.hadoop.collect.HadoopTupleMapFactory
> {quote}



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