HBase
  1. HBase
  2. HBASE-3346

NPE in processRegionInTransition causing master abort

    Details

    • Type: Bug Bug
    • Status: Resolved
    • Priority: Blocker Blocker
    • Resolution: Cannot Reproduce
    • Affects Version/s: 0.90.0
    • Fix Version/s: None
    • Component/s: master
    • Labels:
      None

      Description

      After the abort in HBASE-3345, I restarted the master, and it crashed again during startup

      2010-12-13 12:57:00,367 DEBUG org.apache.hadoop.hbase.master.handler.ClosedRegionHandler: Handling CLOSED event for c5005ca650c7e3bdbab4c8d3e9b7c618
      2010-12-13 12:57:00,367 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Table being disabled so deleting ZK node and removing from regions in transition, skipping assignment of region usertable
      2010-12-13 12:57:00,367 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: master:60000-0x12c780205200116 Deleting existing unassigned node for c5005ca650c7e3bdbab4c8d3e9b7c618 that is in expected state
      2010-12-13 12:57:00,367 DEBUG org.apache.hadoop.hbase.zookeeper.ZKUtil: master:60000-0x12c780205200116 Retrieved 127 byte(s) of data from znode /hbase/unassigned/c5005ca650c7e3bdbab4c8d3e9b7c618; data=
      2010-12-13 12:57:00,373 DEBUG org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher: master:60000-0x12c780205200116 Received ZooKeeper Event, type=NodeDeleted, state=SyncConnected, path=/hbase/unassigned/
      2010-12-13 12:57:00,374 DEBUG org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher: master:60000-0x12c780205200116 Received ZooKeeper Event, type=NodeChildrenChanged, state=SyncConnected, path=/hbase/una
      2010-12-13 12:57:00,374 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: master:60000-0x12c780205200116 Successfully deleted unassigned node for region c5005ca650c7e3bdbab4c8d3e9b7c618 in expected sta
      2010-12-13 12:57:00,374 DEBUG org.apache.hadoop.hbase.zookeeper.ZKUtil: master:60000-0x12c780205200116 Retrieved 114 byte(s) of data from znode /hbase/unassigned/3dc9df76f111271c150c853716ce1f07 and se
      2010-12-13 12:57:00,376 FATAL org.apache.hadoop.hbase.master.HMaster: Unhandled exception. Starting shutdown.
      java.lang.NullPointerException
      at org.apache.hadoop.hbase.master.AssignmentManager.processRegionInTransition(AssignmentManager.java:263)
      at org.apache.hadoop.hbase.master.AssignmentManager.processFailover(AssignmentManager.java:222)
      at org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:392)
      at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:274)
      2010-12-13 12:57:00,377 INFO org.apache.hadoop.hbase.master.HMaster: Aborting

        Activity

        Todd Lipcon created issue -
        Todd Lipcon made changes -
        Field Original Value New Value
        Status Open [ 1 ] Resolved [ 5 ]
        Resolution Cannot Reproduce [ 5 ]

          People

          • Assignee:
            Unassigned
            Reporter:
            Todd Lipcon
          • Votes:
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            Watchers:
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            Dates

            • Created:
              Updated:
              Resolved:

              Development