Jason Lowe created MAPREDUCE-4927:
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Summary: Historyserver 500 error due to NPE when accessing
specific counters page for failed job
Key: MAPREDUCE-4927
URL: https://issues.apache.org/jira/browse/MAPREDUCE-4927
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: jobhistoryserver
Affects Versions: 2.0.3-alpha, 0.23.6
Reporter: Jason Lowe
Went to the historyserver page for a job that failed and examined the counters
page. When I clicked on a specific counter, the historyserver returned a 500
error. The historyserver logs showed it encountered an NPE error, full
traceback to follow.
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