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https://issues.apache.org/jira/browse/HBASE-16866?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ChiaPing Tsai updated HBASE-16866:
----------------------------------
Status: Open (was: Patch Available)
> Avoid NPE in AsyncRequestFutureImpl#updateStats
> -----------------------------------------------
>
> Key: HBASE-16866
> URL: https://issues.apache.org/jira/browse/HBASE-16866
> Project: HBase
> Issue Type: Bug
> Affects Versions: 2.0.0
> Reporter: ChiaPing Tsai
> Assignee: ChiaPing Tsai
> Priority: Minor
> Fix For: 2.0.0
>
> Attachments: HBASE-16866.v0.patch
>
>
> If region disables the stats, it won’t response any
> ClientProtos.RegionLoadStats to client. So the NPE will happen in
> AsyncRequestFutureImpl#updateStats.
> We should use relevant log instead of NPE because the data manipulation
> shouldn’t be broken by statistics.
> {noformat}
> protected void updateStats(ServerName server, Map<byte[],
> MultiResponse.RegionResult> results) {
> …
> ClientProtos.RegionLoadStats stat = regionStats.getValue().getStat();
> RegionLoadStats regionLoadstats =
> ProtobufUtil.createRegionLoadStats(stat);
> …
> }
> {noformat}
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