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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6293) Set job classloader on uber-job's LocalContainerLauncher event thread
Date Tue, 21 Apr 2015 21:40:01 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6293?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14505822#comment-14505822
] 

Hudson commented on MAPREDUCE-6293:
-----------------------------------

SUCCESS: Integrated in Hadoop-trunk-Commit #7628 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/7628/])
MAPREDUCE-6293. Set job classloader on uber-job's LocalContainerLauncher event thread. (Sangjin
Lee via gera) (gera: rev 725eb52ddc647074f0bf1cc73c3029f1352f51d5)
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapreduce/v2/util/MRApps.java
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/TestMRJobs.java
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapred/LocalContainerLauncher.java
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/MRAppMaster.java
* hadoop-mapreduce-project/CHANGES.txt


> Set job classloader on uber-job's LocalContainerLauncher event thread
> ---------------------------------------------------------------------
>
>                 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
>             Fix For: 2.8.0
>
>         Attachments: MAPREDUCE-6293.001.patch, MAPREDUCE-6293.002.patch, MAPREDUCE-6293.003.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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