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Posted to yarn-issues@hadoop.apache.org by "Sangjin Lee (JIRA)" <ji...@apache.org> on 2014/07/02 07:08:24 UTC
[jira] [Created] (YARN-2245) AM throws ClassNotFoundException with
job classloader enabled if custom output format/committer is used
Sangjin Lee created YARN-2245:
---------------------------------
Summary: AM throws ClassNotFoundException with job classloader enabled if custom output format/committer is used
Key: YARN-2245
URL: https://issues.apache.org/jira/browse/YARN-2245
Project: Hadoop YARN
Issue Type: Bug
Affects Versions: 2.4.0
Reporter: Sangjin Lee
Assignee: Sangjin Lee
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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