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  1. HBase
  2. HBASE-13388

Handling NullPointer in ZKProcedureMemberRpcs while getting ZNode data

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: 2.0.0
    • Fix Version/s: 1.0.1, 1.1.0, 0.98.12, 2.0.0
    • Component/s: None
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      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'

        Attachments

        1. HBASE-13388.patch
          1 kB
          Vikas Vishwakarma

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            People

            • Assignee:
              vik.karma Vikas Vishwakarma
              Reporter:
              vik.karma Vikas Vishwakarma
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              Dates

              • Created:
                Updated:
                Resolved: