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Posted to issues@hbase.apache.org by "Jean-Daniel Cryans (JIRA)" <ji...@apache.org> on 2010/06/22 20:30:54 UTC
[jira] Resolved: (HBASE-2741) HBaseExecutorService needs to be
multi-cluster friendly
[ https://issues.apache.org/jira/browse/HBASE-2741?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jean-Daniel Cryans resolved HBASE-2741.
---------------------------------------
Hadoop Flags: [Reviewed]
Resolution: Fixed
Committed to trunk, thanks for the patch Karthik!
> HBaseExecutorService needs to be multi-cluster friendly
> -------------------------------------------------------
>
> Key: HBASE-2741
> URL: https://issues.apache.org/jira/browse/HBASE-2741
> Project: HBase
> Issue Type: Bug
> Reporter: Jean-Daniel Cryans
> Assignee: Karthik Ranganathan
> Fix For: 0.21.0
>
> Attachments: HBASE-2741-0.21.patch, HBASE-2741-test.patch
>
>
> While running TestReplication I bumped into:
> {code}
> 2010-06-16 16:44:07,576 DEBUG [IPC Server handler 3 on 62423] master.RegionManager(357): Created UNASSIGNED zNode test,,1276731846828.de5dcd3df0fbc58207ce6ccff9ff2870. in state M2ZK_REGION_OFFLINE
> 2010-06-16 16:44:07,577 INFO [RegionServer:0] regionserver.HRegionServer(511): MSG_REGION_OPEN: test,,1276731846828.de5dcd3df0fbc58207ce6ccff9ff2870.
> 2010-06-16 16:44:07,577 INFO [RegionServer:0.worker] regionserver.HRegionServer$Worker(1358): Worker: MSG_REGION_OPEN: test,,1276731846828.de5dcd3df0fbc58207ce6ccff9ff2870.
> 2010-06-16 16:44:07,578 DEBUG [RegionServer:0.worker] regionserver.RSZookeeperUpdater(157): Updating ZNode /1/UNASSIGNED/de5dcd3df0fbc58207ce6ccff9ff2870 with [RS2ZK_REGION_OPENING] expected version = 0
> 2010-06-16 16:44:07,580 DEBUG [main-EventThread] master.HMaster(1142): Event NodeDataChanged with state SyncConnected with path /1/UNASSIGNED/de5dcd3df0fbc58207ce6ccff9ff2870
> 2010-06-16 16:44:07,580 DEBUG [main-EventThread] master.ZKMasterAddressWatcher(64): Got event NodeDataChanged with path /1/UNASSIGNED/de5dcd3df0fbc58207ce6ccff9ff2870
> 2010-06-16 16:44:07,580 DEBUG [main-EventThread] master.ZKUnassignedWatcher(71): ZK-EVENT-PROCESS: Got zkEvent NodeDataChanged state:SyncConnected path:/1/UNASSIGNED/de5dcd3df0fbc58207ce6ccff9ff2870
> 2010-06-16 16:44:07,580 INFO [main-EventThread] regionserver.HRegionServer(379): Got ZooKeeper event, state: SyncConnected, type: NodeDataChanged, path: /1/UNASSIGNED/de5dcd3df0fbc58207ce6ccff9ff2870
> 2010-06-16 16:44:07,581 DEBUG [RegionServer:0.worker] regionserver.HRegion(294): Creating region test,,1276731846828.de5dcd3df0fbc58207ce6ccff9ff2870.
> 2010-06-16 16:44:07,582 DEBUG [MASTER_CLOSEREGION-master-1] handler.MasterOpenRegionHandler(70): Event = RS2ZK_REGION_OPENING, region = de5dcd3df0fbc58207ce6ccff9ff2870
> 2010-06-16 16:44:07,582 DEBUG [MASTER_CLOSEREGION-master-1] handler.MasterOpenRegionHandler(81): NO-OP call to handling region opening event
> 2010-06-16 16:44:07,589 INFO [RegionServer:0.worker] regionserver.HRegion(369): region test,,1276731846828.de5dcd3df0fbc58207ce6ccff9ff2870. available; sequence id is 1
> 2010-06-16 16:44:07,590 DEBUG [RegionServer:0.worker] regionserver.RSZookeeperUpdater(157): Updating ZNode /1/UNASSIGNED/de5dcd3df0fbc58207ce6ccff9ff2870 with [RS2ZK_REGION_OPENED] expected version = 1
> 2010-06-16 16:44:07,591 DEBUG [main-EventThread] master.HMaster(1142): Event NodeDataChanged with state SyncConnected with path /1/UNASSIGNED/de5dcd3df0fbc58207ce6ccff9ff2870
> 2010-06-16 16:44:07,591 DEBUG [main-EventThread] master.ZKMasterAddressWatcher(64): Got event NodeDataChanged with path /1/UNASSIGNED/de5dcd3df0fbc58207ce6ccff9ff2870
> 2010-06-16 16:44:07,592 DEBUG [main-EventThread] master.ZKUnassignedWatcher(71): ZK-EVENT-PROCESS: Got zkEvent NodeDataChanged state:SyncConnected path:/1/UNASSIGNED/de5dcd3df0fbc58207ce6ccff9ff2870
> 2010-06-16 16:44:07,591 INFO [main-EventThread] regionserver.HRegionServer(379): Got ZooKeeper event, state: SyncConnected, type: NodeDataChanged, path: /1/UNASSIGNED/de5dcd3df0fbc58207ce6ccff9ff2870
> 2010-06-16 16:44:07,593 DEBUG [MASTER_CLOSEREGION-master-1] handler.MasterOpenRegionHandler(70): Event = RS2ZK_REGION_OPENED, region = de5dcd3df0fbc58207ce6ccff9ff2870
> 2010-06-16 16:44:07,594 DEBUG [MASTER_CLOSEREGION-master-1] handler.MasterOpenRegionHandler(96): RS 10.10.1.130,62425,1276731832950 has opened region de5dcd3df0fbc58207ce6ccff9ff2870
> 2010-06-16 16:44:07,594 ERROR [MASTER_CLOSEREGION-master-1] server.NIOServerCnxn$Factory$1(81): Thread Thread[MASTER_CLOSEREGION-master-1,5,main] died
> java.lang.NullPointerException
> at org.apache.hadoop.hbase.master.ServerManager.processRegionOpen(ServerManager.java:607)
> at org.apache.hadoop.hbase.master.handler.MasterOpenRegionHandler.handleRegionOpenedEvent(MasterOpenRegionHandler.java:99)
> at org.apache.hadoop.hbase.master.handler.MasterOpenRegionHandler.process(MasterOpenRegionHandler.java:75)
> at org.apache.hadoop.hbase.executor.HBaseEventHandler.run(HBaseEventHandler.java:215)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:637)
> {code}
> This looks very new. Assigning Karthik as he was there recently.
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