[ https://issues.apache.org/jira/browse/HBASE-3346?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Todd Lipcon resolved HBASE-3346. -------------------------------- Resolution: Cannot Reproduce This has been quiet for a couple years, going to assume it's long gone. > NPE in processRegionInTransition causing master abort > ----------------------------------------------------- > > Key: HBASE-3346 > URL: https://issues.apache.org/jira/browse/HBASE-3346 > Project: HBase > Issue Type: Bug > Components: master > Affects Versions: 0.90.0 > Reporter: Todd Lipcon > Priority: Blocker > > 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 -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira