You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2015/09/08 18:39:46 UTC
[jira] [Resolved] (HBASE-5249) Using a stale explicit row lock in a
Put triggers an NPE
[ https://issues.apache.org/jira/browse/HBASE-5249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
stack resolved HBASE-5249.
--------------------------
Resolution: Not A Problem
Resolving as not-a-problem, an issue in a feature since removed.
> Using a stale explicit row lock in a Put triggers an NPE
> --------------------------------------------------------
>
> Key: HBASE-5249
> URL: https://issues.apache.org/jira/browse/HBASE-5249
> Project: HBase
> Issue Type: Bug
> Components: regionserver
> Affects Versions: 0.92.0
> Reporter: stack
> Assignee: stack
> Priority: Minor
>
> After acquiring an explicit row lock, if one attempts to send {{Put}} after the row lock has expired, an NPE is triggered in the RegionServer, instead of throwing an {{UnknownRowLockException}} back to the client.
> {code}
> 2012-01-20 17:09:54,074 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: Error obtaining
> row lock (fsOk: true)
> java.lang.NullPointerException
> at java.util.concurrent.ConcurrentHashMap.put(ConcurrentHashMap.java:881)
> at org.apache.hadoop.hbase.regionserver.HRegionServer.addRowLock(HRegionServer.java:2313)
> at org.apache.hadoop.hbase.regionserver.HRegionServer.lockRow(HRegionServer.java:2299)
> at sun.reflect.GeneratedMethodAccessor15.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.hbase.ipc.WritableRpcEngine$Server.call(WritableRpcEngine.java:364)
> at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1327)
> It happened only once out of thousands of RPCs that grabbed and
> released a row lock.
> {code}
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)