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Posted to issues@hbase.apache.org by "Vikas Vishwakarma (JIRA)" <ji...@apache.org> on 2015/04/02 15:30:19 UTC
[jira] [Updated] (HBASE-13388) Handling NullPointer in
ZKProcedureMemberRpcs while getting ZNode data
[ https://issues.apache.org/jira/browse/HBASE-13388?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vikas Vishwakarma updated HBASE-13388:
--------------------------------------
Status: Patch Available (was: Open)
> Handling NullPointer in ZKProcedureMemberRpcs while getting ZNode data
> ----------------------------------------------------------------------
>
> Key: HBASE-13388
> URL: https://issues.apache.org/jira/browse/HBASE-13388
> Project: HBase
> Issue Type: Bug
> Affects Versions: 2.0.0
> Reporter: Vikas Vishwakarma
> Assignee: Vikas Vishwakarma
> Priority: Minor
> Fix For: 2.0.0
>
> Attachments: HBASE-13388.patch
>
>
> Handling a minor NullPointer in ZKProcedureMemberRpcs while getting ZNode data. Does not have any functional impact is just a little cleaner
> 2015-04-01 10:04:32,913 INFO [ver60020-EventThread] procedure.ZKProcedureMemberRpcs - Received procedure start children changed event: /hbase/online-snapshot/acquired
> 2015-04-01 10:04:32,913 DEBUG [ver60020-EventThread] procedure.ZKProcedureMemberRpcs - Looking for new procedures under znode:'/hbase/online-snapshot/acquired'
> 2015-04-01 10:04:32,916 DEBUG [ver60020-EventThread] procedure.ZKProcedureMemberRpcs - Found procedure znode: /hbase/online-snapshot/acquired/test13
> 2015-04-01 10:04:32,917 ERROR [ver60020-EventThread] zookeeper.ClientCnxn - Error while calling watcher
> java.lang.NullPointerException
> at org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.startNewSubprocedure(ZKProcedureMemberRpcs.java:203)
> at org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.waitForNewProcedures(ZKProcedureMemberRpcs.java:172)
> at org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.access$100(ZKProcedureMemberRpcs.java:55)
> at org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs$1.nodeChildrenChanged(ZKProcedureMemberRpcs.java:107)
> at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:351)
> at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:522)
> at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:498)
> 2015-04-01 10:04:32,917 INFO [ver60020-EventThread] procedure.ZKProcedureMemberRpcs - Received procedure start children changed event: /hbase/online-snapshot/acquired
> 2015-04-01 10:04:32,917 DEBUG [ver60020-EventThread] procedure.ZKProcedureMemberRpcs - Looking for new procedures under znode:'/hbase/online-snapshot/acquired'
> 2015-04-01 10:04:32,918 INFO [ver60020-EventThread] procedure.ZKProcedureMemberRpcs - Received procedure abort children changed event: /hbase/online-snapshot/abort
> 2015-04-01 10:04:32,918 DEBUG [ver60020-EventThread] procedure.ZKProcedureMemberRpcs - Checking for aborted procedures on node: '/hbase/online-snapshot/abort'
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