ZKLeaderManager.handleLeaderChange() doesn't handle
KeeperException$SessionExpiredException
-------------------------------------------------------------------------------------------
Key: HBASE-4875
URL: https://issues.apache.org/jira/browse/HBASE-4875
Project: HBase
Issue Type: Bug
Affects Versions: 0.92.0
Reporter: Ted Yu
TestMasterFailover#testSimpleMasterFailover has failed twice in a row for
builds 15 and 16.
>From
>https://builds.apache.org/view/G-L/view/HBase/job/HBase-0.92-security/16/testReport/org.apache.hadoop.hbase.master/TestMasterFailover/testSimpleMasterFailover/:
{code}
2011-11-26 01:34:49,218 ERROR [Thread-1-EventThread]
zookeeper.ZooKeeperWatcher(403): master:52934-0x133dd8281300001 Received
unexpected KeeperException, re-throwing exception
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode =
Session expired for /hbase/tokenauth/keymaster
at org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1003)
at
org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:154)
at
org.apache.hadoop.hbase.zookeeper.ZKUtil.watchAndCheckExists(ZKUtil.java:225)
at
org.apache.hadoop.hbase.zookeeper.ZKLeaderManager.handleLeaderChange(ZKLeaderManager.java:85)
at
org.apache.hadoop.hbase.zookeeper.ZKLeaderManager.nodeDeleted(ZKLeaderManager.java:78)
at
org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:281)
at
org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:521)
at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:497)
2011-11-26 01:34:49,216 DEBUG
[RegionServer:2;hemera.apache.org,44702,1322271278232-EventThread]
zookeeper.ZKUtil(230): hconnection-0x133dd8281300009 /hbase/master does not
exist. Watcher is set.
2011-11-26 01:34:49,215 DEBUG [Thread-1-EventThread] zookeeper.ZKUtil(230):
master:44883-0x133dd8281300002 /hbase/master does not exist. Watcher is set.
2011-11-26 01:34:49,219 DEBUG [Thread-1-EventThread]
master.ActiveMasterManager(104): No master available. Notifying waiting threads
2011-11-26 01:34:49,215 INFO [Master:1;hemera.apache.org,52934,1322271278115]
master.HMaster(338): HMaster main thread exiting
{code}
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