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Posted to dev@hbase.apache.org by "Enis Soztutar (JIRA)" <ji...@apache.org> on 2014/02/20 01:06:41 UTC
[jira] [Resolved] (HBASE-10517) NPE in MetaCache.clearCache()
[ https://issues.apache.org/jira/browse/HBASE-10517?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Enis Soztutar resolved HBASE-10517.
-----------------------------------
Resolution: Fixed
Fix Version/s: (was: 0.99.0)
> NPE in MetaCache.clearCache()
> -----------------------------
>
> Key: HBASE-10517
> URL: https://issues.apache.org/jira/browse/HBASE-10517
> Project: HBase
> Issue Type: Sub-task
> Reporter: Enis Soztutar
> Assignee: Enis Soztutar
> Priority: Trivial
> Fix For: hbase-10070
>
> Attachments: hbase-10517_v1.patch
>
>
> MetaCache introduced in HBASE-10347 is vulnerable to NPE. TestDistributedLogSplitting is flaky due to this.
> {code}
> <error type="java.lang.NullPointerException">java.lang.NullPointerException
> at org.apache.hadoop.hbase.client.MetaCache.clearCache(MetaCache.java:339)
> at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.deleteCachedRegionLocation(ConnectionManager.java:2033)
> at org.apache.hadoop.hbase.client.RegionServerCallable.throwable(RegionServerCallable.java:132)
> at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:129)
> at org.apache.hadoop.hbase.client.HTable.getRowOrBefore(HTable.java:744)
> at org.apache.hadoop.hbase.client.MetaScanner.metaScan(MetaScanner.java:147)
> at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.prefetchRegionCache(ConnectionManager.java:1071)
> at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.locateRegionInMeta(ConnectionManager.java:1136)
> at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.locateRegion(ConnectionManager.java:1023)
> at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.locateRegion(ConnectionManager.java:978)
> {code}
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