Add error reporting support to LocalJobRunner
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Key: HADOOP-4031
URL: https://issues.apache.org/jira/browse/HADOOP-4031
Project: Hadoop Core
Issue Type: Improvement
Components: mapred
Affects Versions: 0.18.0
Reporter: Yoram Kulbak
- This feature is very useful for unit testing map/reduce tasks, it would allow
verifying an expected failure reason.
- The class mapred.LocalJobRunner currently returns an empty
TaskCompletionEvent array when requested for task completion events
- In line 231 in LocalJobRunner.java a map/reduce exception is caught and *not*
propagated to the user.
- I would be useful to get the exception message through a TaskCompletionEvent
or event or by any other means.
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