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https://issues.apache.org/jira/browse/MAPREDUCE-4950?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14188349#comment-14188349
]
Christopher Banas commented on MAPREDUCE-4950:
----------------------------------------------
We have recently started seeing this message on our local cluster as well.
> MR App Master fails to write the history due to AvroTypeException
> -----------------------------------------------------------------
>
> Key: MAPREDUCE-4950
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4950
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: jobhistoryserver, mr-am
> Reporter: Devaraj K
> Priority: Critical
>
> {code:xml}
> 2013-01-19 19:31:27,269 INFO [AsyncDispatcher event handler]
> org.apache.hadoop.mapreduce.jobhistory.JobHistoryEventHandler: In stop,
> writing event MAP_ATTEMPT_STARTED
> 2013-01-19 19:31:27,269 INFO [AsyncDispatcher event handler]
> org.apache.hadoop.yarn.service.CompositeService: Error stopping
> JobHistoryEventHandler
> org.apache.avro.AvroTypeException: Attempt to process a enum when a
> array-start was expected.
> at org.apache.avro.io.parsing.Parser.advance(Parser.java:93)
> at org.apache.avro.io.JsonEncoder.writeEnum(JsonEncoder.java:210)
> at
> org.apache.avro.specific.SpecificDatumWriter.writeEnum(SpecificDatumWriter.java:54)
> at
> org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:66)
> at
> org.apache.avro.generic.GenericDatumWriter.writeRecord(GenericDatumWriter.java:104)
> at
> org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:65)
> at
> org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:57)
> at
> org.apache.hadoop.mapreduce.jobhistory.EventWriter.write(EventWriter.java:66)
> at
> org.apache.hadoop.mapreduce.jobhistory.JobHistoryEventHandler$MetaInfo.writeEvent(JobHistoryEventHandler.java:825)
> at
> org.apache.hadoop.mapreduce.jobhistory.JobHistoryEventHandler.handleEvent(JobHistoryEventHandler.java:517)
> at
> org.apache.hadoop.mapreduce.jobhistory.JobHistoryEventHandler.stop(JobHistoryEventHandler.java:346)
> at
> org.apache.hadoop.yarn.service.CompositeService.stop(CompositeService.java:99)
> at
> org.apache.hadoop.yarn.service.CompositeService.stop(CompositeService.java:89)
> at
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster$JobFinishEventHandler.handle(MRAppMaster.java:445)
> at
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster$JobFinishEventHandler.handle(MRAppMaster.java:406)
> at
> org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:126)
> at
> org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:75)
> at java.lang.Thread.run(Thread.java:662)
> 2013-01-19 19:31:27,271 INFO [AsyncDispatcher event handler]
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster: Deleting staging directory
> hdfs://hacluster /root/staging-dir/root/.staging/job_1358603069474_0135
> {code}
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