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Date: Wed, 22 Aug 2012 16:14:37 +1100 (NCT)
From: "Zhihong Ted Yu (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
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Subject: [jira] [Commented] (HBASE-6622)
 TestUpgradeFromHFileV1ToEncoding#testUpgrade fails in trunk
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    [ https://issues.apache.org/jira/browse/HBASE-6622?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13439283#comment-13439283 ] 

Zhihong Ted Yu commented on HBASE-6622:
---------------------------------------

One possibility was that in Handler.run() method, started flag was false when the first Call was received.
{code}
          CurCall.set(call);
          try {
            if (!started)
              throw new ServerNotRunningYetException("Server is not running yet");
{code}
This could be due to HBaseServer.openServer() being called after HBaseServer.startThreads() was called.

One solution is to give HBaseServer.startThreads() more time before checking started flag in openServer().
                
> TestUpgradeFromHFileV1ToEncoding#testUpgrade fails in trunk
> -----------------------------------------------------------
>
>                 Key: HBASE-6622
>                 URL: https://issues.apache.org/jira/browse/HBASE-6622
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Zhihong Ted Yu
>
> TestUpgradeFromHFileV1ToEncoding started to fail since build #3242
> Build #3246 was more recent one where it failed.
> {code}
> 2012-08-21 00:49:06,536 INFO  [SplitLogWorker-vesta.apache.org,40294,1345510146310] regionserver.SplitLogWorker(135): SplitLogWorker vesta.apache.org,40294,1345510146310 starting
> 2012-08-21 00:49:06,537 INFO  [RegionServer:0;vesta.apache.org,40294,1345510146310] regionserver.HRegionServer(2431): Registered RegionServer MXBean
> 2012-08-21 00:49:06,620 WARN  [Master:0;vesta.apache.org,60969,1345510146282] master.AssignmentManager(1606): Failed assignment of -ROOT-,,0.70236052 to vesta.apache.org,40294,1345510146310, trying to assign elsewhere instead; retry=0
> org.apache.hadoop.hbase.ipc.ServerNotRunningYetException: org.apache.hadoop.hbase.ipc.ServerNotRunningYetException: Server is not running yet
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
> 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
> 	at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
> 	at org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:95)
> 	at org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:79)
> 	at org.apache.hadoop.hbase.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:187)
> 	at $Proxy15.openRegion(Unknown Source)
> 	at org.apache.hadoop.hbase.master.ServerManager.sendRegionOpen(ServerManager.java:500)
> 	at org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1587)
> 	at org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1256)
> 	at org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1226)
> 	at org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1221)
> 	at org.apache.hadoop.hbase.master.AssignmentManager.assignRoot(AssignmentManager.java:2103)
> 	at org.apache.hadoop.hbase.master.HMaster.assignRootAndMeta(HMaster.java:785)
> 	at org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:665)
> 	at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:439)
> 	at java.lang.Thread.run(Thread.java:662)
> Caused by: org.apache.hadoop.ipc.RemoteException: org.apache.hadoop.hbase.ipc.ServerNotRunningYetException: Server is not running yet
> 	at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1766)
> 	at org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:1187)
> 	at org.apache.hadoop.hbase.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:178)
> 	... 11 more
> 2012-08-21 00:49:06,621 INFO  [Master:0;vesta.apache.org,60969,1345510146282] master.RegionStates(250): Region {NAME => '-ROOT-,,0', STARTKEY => '', ENDKEY => '', ENCODED => 70236052,} transitioned from {-ROOT-,,0.70236052 state=PENDING_OPEN, ts=1345510146520, server=vesta.apache.org,40294,1345510146310} to {-ROOT-,,0.70236052 state=OFFLINE, ts=1345510146621, server=null}
> 2012-08-21 00:49:06,621 WARN  [Master:0;vesta.apache.org,60969,1345510146282] master.AssignmentManager(1772): Can't move the region 70236052, there is no destination server available.
> 2012-08-21 00:49:06,621 WARN  [Master:0;vesta.apache.org,60969,1345510146282] master.AssignmentManager(1618): Unable to find a viable location to assign region -ROOT-,,0.70236052
> 2012-08-21 00:50:06,406 DEBUG [Master:0;vesta.apache.org,60969,1345510146282.archivedHFileCleaner] cleaner.CleanerChore(145): Checking directory: hdfs://localhost:56237/user/hudson/hbase/.archive/UpgradeTable
> {code}
> Looks like ROOT region couldn't be assigned.

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