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Date: Fri, 18 Dec 2009 00:16:18 +0000 (UTC)
From: "Andrew Purtell (JIRA)" <jira@apache.org>
To: hbase-dev@hadoop.apache.org
Subject: [jira] Updated: (HBASE-1960) Master should wait for DFS to come up
 when creating hbase.version
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     [ https://issues.apache.org/jira/browse/HBASE-1960?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Purtell updated HBASE-1960:
----------------------------------

    Attachment: HBASE-1960.patch

{noformat}
[...]
09/12/17 16:10:17 INFO util.FSUtils: Waiting for dfs to come up...
09/12/17 16:10:27 INFO util.FSUtils: Waiting for dfs to come up...
09/12/17 16:10:37 INFO util.FSUtils: Waiting for dfs to come up...
09/12/17 16:10:47 INFO util.FSUtils: Waiting for dfs to come up...
09/12/17 16:10:58 INFO master.HMaster: BOOTSTRAP: creating ROOT and first META regions
[...]
{noformat}


> 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: Hadoop HBase
>          Issue Type: Bug
>            Reporter: Andrew Purtell
>            Priority: Minor
>             Fix For: 0.20.3, 0.21.0
>
>         Attachments: 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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