[ 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} -- This message was sent by Atlassian JIRA (v6.2#6252)