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From "Andrew Purtell (Resolved) (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HBASE-1960) Master should wait for DFS to come up when creating hbase.version
Date Wed, 18 Apr 2012 01:01:23 GMT

     [ https://issues.apache.org/jira/browse/HBASE-1960?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Purtell resolved HBASE-1960.
-----------------------------------

      Resolution: Fixed
    Release Note: This has been addressed as part of HBASE-5003 and others.
    
> Master should wait for DFS to come up when creating hbase.version
> -----------------------------------------------------------------
>
>                 Key: HBASE-1960
>                 URL: https://issues.apache.org/jira/browse/HBASE-1960
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Andrew Purtell
>            Assignee: Andrew Purtell
>            Priority: Minor
>         Attachments: HBASE-1960-redux.patch, HBASE-1960.patch
>
>
> The master does not wait for DFS to come up in the circumstance where the DFS master
is started for the first time after format and no datanodes have been started yet. 
> {noformat}
> 2009-11-07 11:47:28,115 INFO org.apache.hadoop.hbase.master.HMaster: vmName=Java HotSpot(TM)
64-Bit Server VM, vmVendor=Sun Microsystems Inc., vmVersion=14.2-b01
> 2009-11-07 11:47:28,116 INFO org.apache.hadoop.hbase.master.HMaster: vmInputArguments=[-Xmx1000m,
-XX:+HeapDumpOnOutOfMemoryError, -XX:+UseConcMarkSweepGC, -XX:+CMSIncrementalMode, -Dhbase.log.dir=/mnt/hbase/logs,
-Dhbase.log.file=hbase-root-master-ip-10-242-15-159.log, -Dhbase.home.dir=/usr/local/hbase-0.20.1/bin/..,
-Dhbase.id.str=root, -Dhbase.root.logger=INFO,DRFA, -Djava.library.path=/usr/local/hbase-0.20.1/bin/../lib/native/Linux-amd64-64]
> 2009-11-07 11:47:28,247 INFO org.apache.hadoop.hbase.master.HMaster: My address is ip-10-242-15-159.ec2.internal:60000
> 2009-11-07 11:47:28,728 WARN org.apache.hadoop.hdfs.DFSClient: DataStreamer Exception:
org.apache.hadoop.ipc.RemoteException: java.io.IOException: File /hbase/hbase.version could
only be replicated to 0 nodes, instead of 1
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1267)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:422)
> [...]
> 2009-11-07 11:47:28,728 WARN org.apache.hadoop.hdfs.DFSClient: Error Recovery for block
null bad datanode[0] nodes == null
> 2009-11-07 11:47:28,728 WARN org.apache.hadoop.hdfs.DFSClient: Could not get block locations.
Source file "/hbase/hbase.version" - Aborting...
> 2009-11-07 11:47:28,729 FATAL org.apache.hadoop.hbase.master.HMaster: Not starting HMaster
because:
> org.apache.hadoop.ipc.RemoteException: java.io.IOException: File /hbase/hbase.version
could only be replicated to 0 nodes, instead of 1
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1267)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:422)
> {noformat}
> Should probably sleep and retry the write a few times.

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