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