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Hudson commented on HBASE-8519: ------------------------------- ABORTED: Integrated in HBase-0.94 #1292 (See [https://builds.apache.org/job/HBase-0.94/1292/]) HBASE-10555 Backport HBASE-8519 to 0.94, Backup master will never come up if primary master dies during initialization (Jingcheng Du, original patch by Jerry He) (larsh: rev 1569123) * /hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/master/ActiveMasterManager.java * /hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/master/HMaster.java * /hbase/branches/0.94/src/test/java/org/apache/hadoop/hbase/master/TestActiveMasterManager.java > Backup master will never come up if primary master dies during initialization > ----------------------------------------------------------------------------- > > Key: HBASE-8519 > URL: https://issues.apache.org/jira/browse/HBASE-8519 > Project: HBase > Issue Type: Bug > Components: master > Affects Versions: 0.94.7, 0.95.0 > Reporter: Jerry He > Assignee: Jerry He > Priority: Minor > Fix For: 0.98.0, 0.95.1 > > Attachments: HBASE-8519-trunk-v2.patch, HBASE-8519-trunk.patch > > > The problem happens if primary master dies after becoming master but before > it completes initialization and calls clusterStatusTracker.setClusterUp(), > The backup master will try to become the master, but will shutdown itself > promptly because it sees 'the cluster is not up'. > This is the backup master log: > 2013-05-09 15:08:05,568 INFO > org.apache.hadoop.hbase.master.metrics.MasterMetrics: Initialized > 2013-05-09 15:08:05,573 DEBUG org.apache.hadoop.hbase.master.HMaster: HMaster > started in backup mode. Stalling until master znode is written. > 2013-05-09 15:08:05,589 INFO > org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper: Node /hbase/master > already exists and this is not a retry > 2013-05-09 15:08:05,590 INFO > org.apache.hadoop.hbase.master.ActiveMasterManager: Adding ZNode for > /hbase/backup-masters/xxx.com,60000,1368137285373 in backup master directory > 2013-05-09 15:08:05,595 INFO > org.apache.hadoop.hbase.master.ActiveMasterManager: Another master is the > active master, xxx.com,60000,1368137283107; waiting to become the next active > master > 2013-05-09 15:09:45,006 DEBUG > org.apache.hadoop.hbase.master.ActiveMasterManager: No master available. > Notifying waiting threads > 2013-05-09 15:09:45,006 INFO org.apache.hadoop.hbase.master.HMaster: Cluster > went down before this master became active > 2013-05-09 15:09:45,006 DEBUG org.apache.hadoop.hbase.master.HMaster: > Stopping service threads > 2013-05-09 15:09:45,006 INFO org.apache.hadoop.ipc.HBaseServer: Stopping > server on 60000 > > In ActiveMasterManager::blockUntilBecomingActiveMaster() > {code} > .. > if (!clusterStatusTracker.isClusterUp()) { > this.master.stop( > "Cluster went down before this master became active"); > } > .. > {code} -- This message was sent by Atlassian JIRA (v6.1.5#6160)