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From "David Knupp (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-17996) HBase master fails to start sometimes on RHEL7
Date Thu, 04 May 2017 17:24:04 GMT
David Knupp created HBASE-17996:
-----------------------------------

             Summary: HBase master fails to start sometimes on RHEL7
                 Key: HBASE-17996
                 URL: https://issues.apache.org/jira/browse/HBASE-17996
             Project: HBase
          Issue Type: Bug
          Components: master
            Reporter: David Knupp


Impala includes HBase in its local test environment, and we have found that intermittently,
the HBase master node fails to start when we are testing on RHEL7.

In these failures, what we typically see in the logs is this:
{noformat}
17/04/29 21:33:47 INFO zookeeper.ClientCnxn: Session establishment complete on server localhost/0:0:0:0:0:0:0:1:2181,
sessionid = 0x15bbd21b797000a, negotiated timeout = 90000
17/04/29 21:33:47 INFO client.ZooKeeperRegistry: ClusterId read in ZooKeeper is null
17/04/29 21:33:48 INFO master.ActiveMasterManager: Deleting ZNode for /hbase/backup-masters/localhost,16000,1493526758211
from backup master directory
{noformat}

On a successful startup, the log looks like this:
{noformat}
17/04/16 21:32:29 INFO zookeeper.ClientCnxn: Session establishment complete on server localhost/0:0:0:0:0:0:0:1:2181,
sessionid = 0x15b7a2ed6860005, negotiated timeout = 90000
17/04/16 21:32:29 INFO client.ZooKeeperRegistry: ClusterId read in ZooKeeper is null
17/04/16 21:32:30 INFO util.FSUtils: Created version file at hdfs://localhost:20500/hbase
with version=8
17/04/16 21:32:31 INFO master.MasterFileSystem: BOOTSTRAP: creating hbase:meta region
{noformat}

So the event that seems to be lacking is {{master.MasterFileSystem: BOOTSTRAP: creating hbase:meta
region}}.

The full logs will be attached.



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