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https://issues.apache.org/jira/browse/HBASE-15976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15352810#comment-15352810
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Hudson commented on HBASE-15976:
--------------------------------
FAILURE: Integrated in HBase-Trunk_matrix #1129 (See
[https://builds.apache.org/job/HBase-Trunk_matrix/1129/])
HBASE-15976 RegionServerMetricsWrapperRunnable will be failure when
(jingcheng.du: rev e768c4afac059e96fae76587087cede4baa89577)
*
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionServerWrapperImpl.java
> RegionServerMetricsWrapperRunnable will be failure when disable blockcache.
> ----------------------------------------------------------------------------
>
> Key: HBASE-15976
> URL: https://issues.apache.org/jira/browse/HBASE-15976
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.98.15, 1.2.1, 1.0.3, 1.1.5
> Reporter: Liu Junhong
> Assignee: Jingcheng Du
> Attachments: HBASE-15976-0.98.patch,
> HBASE-15976-branch-1&branch-1.3.patch, HBASE-15976-branch-1.0.patch,
> HBASE-15976-branch-1.1.patch, HBASE-15976-branch-1.2.patch,
> HBASE-15976-master.patch
>
>
> When i disable blockcache, the code "cacheStats = blockCache.getStats();"
> will occur NPE in
> org.apache.hadoop.hbase.regionserver.MetricsRegionServerWrapperImpl.RegionServerMetricsWrapperRunnable.
> It lead to many regionserver's metrics' value always equal 0.
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