Jonathan Bender created MAPREDUCE-7130:
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Summary: Rumen crashes trying to handle MRAppMaster recovery events
Key: MAPREDUCE-7130
URL: https://issues.apache.org/jira/browse/MAPREDUCE-7130
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: tools/rumen
Reporter: Jonathan Bender
In the event of an MRAppMaster recovery, the Job History file gets an event of
the following form:
{code:json}
{"type":"JOB_KILLED","event":\{"org.apache.hadoop.mapreduce.jobhistory.JobUnsuccessfulCompletion":{"jobid":"job_1532048817013_xxxx","finishTime":1534521962641,"finishedMaps":0,"finishedReduces":0,"jobStatus":"SUCCEEDED","diagnostics":{"string":"Job
commit succeeded in a prior MRAppMaster attempt before it crashed.
Recovering."},"failedMaps":0,"failedReduces":0,"killedMaps":0,"killedReduces":0}}}
{code}
The issue seems to be around the SUCCEEDED job status for a
JobUnsuccessfulCompletion:
https://github.com/apache/hadoop/blob/e0f6ffdbad6f43fd43ec57fb68ebf5275b8b9ba0/hadoop-tools/hadoop-rumen/src/main/java/org/apache/hadoop/tools/rumen/JobBuilder.java#L609
Which fails to find the enum here:
https://github.com/apache/hadoop/blob/e0f6ffdbad6f43fd43ec57fb68ebf5275b8b9ba0/hadoop-tools/hadoop-rumen/src/main/java/org/apache/hadoop/tools/rumen/Pre21JobHistoryConstants.java#L50
I'm not sure if this is an error with the Rumen parser or if the job history
file is getting into an invalid state.
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