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Posted to mapreduce-dev@hadoop.apache.org by "Sangjin Lee (JIRA)" <ji...@apache.org> on 2015/03/25 19:52:54 UTC
[jira] [Created] (MAPREDUCE-6293) uberized job fails with the job
classloader enabled
Sangjin Lee created MAPREDUCE-6293:
--------------------------------------
Summary: 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
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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