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https://issues.apache.org/jira/browse/HBASE-18679?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Josh Elser updated HBASE-18679:
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Status: Patch Available (was: Open)
> YARN may null Counters object and cause an NPE in ITBLL
> -------------------------------------------------------
>
> Key: HBASE-18679
> URL: https://issues.apache.org/jira/browse/HBASE-18679
> Project: HBase
> Issue Type: Bug
> Components: integration tests
> Reporter: Josh Elser
> Assignee: Josh Elser
> Priority: Trivial
> Fix For: 2.0.0, 1.4.0, 1.3.2, 1.5.0, 1.2.7, 1.1.13
>
> Attachments: HBASE-18679.001.patch
>
>
> YARN has a configuration limit to the number of counters that a job can
> create (to avoid some bad job from DDOS'ing the service).
> When running ITBLL, we ran into this limit due to the default configuration
> rather low at the time. When YARN notices that the counter limit has been
> exceeded, it nulls out the Counters object obtained by the Job.
> Presently in ITBLL, we have a few places where we (reasonably ;)) assume that
> the Counters object would be non-null. Can easily fix this with a null-check.
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