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Date: Fri, 27 Dec 2013 09:16:20 +0530
Message-ID: 
 <CAAT7MkoEDDhtqx0Fenn+C=0yp-R6-U2dkqBVcHfowT0rhY94fA@mail.gmail.com>
Subject: Re: Master (should not?) abort startup on Unexpected PENDING_OPEN
 state
From: ramkrishna vasudevan <ramkrishna.s.vasudevan@gmail.com>
To: "user@hbase.apache.org" <user@hbase.apache.org>,
 lars hofhansl <larsh@apache.org>
Cc: Jean-Marc Spaggiari <jean-marc@spaggiari.org>
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Is this in the 0.94 version or in the 0.96 version?


On Fri, Dec 27, 2013 at 3:07 AM, lars hofhansl <larsh@apache.org> wrote:

> Yeah, sounds like a but. Mind filing a jira?
>
>
>
> ________________________________
>  From: Jean-Marc Spaggiari <jean-marc@spaggiari.org>
> To: user <user@hbase.apache.org>; lars hofhansl <larsh@apache.org>
> Sent: Thursday, December 26, 2013 12:05 PM
> Subject: Re: Master (should not?) abort startup on Unexpected PENDING_OPEN
> state
>
>
>
> It was aborting each time I was trying. I tried at least 10 times. Failed
> 10 times. I have deleted the znodes and restarted and it started correctly.
>
> I might be able to reproduce the situation.
>
>
>
>
> 2013/12/26 lars hofhansl <larsh@apache.org>
>
> When you start the master again, does it abort again?
> >
> >
> >
> >________________________________
> > From: Jean-Marc Spaggiari <jean-marc@spaggiari.org>
> >To: user <user@hbase.apache.org>
> >Sent: Thursday, December 26, 2013 6:00 AM
> >Subject: Master (should not?) abort startup on Unexpected PENDING_OPEN
> state
> >
> >
> >
> >I think I stopped my master while it was doing a big balancing. At
> restart,
> >I'm getting the exception below and master exit. All RS are able to start
> >correctly, but not the master.
> >
> >Since master is not starting I can not manually assign this region from
> the
> >shell. I guess I can simply delete the znode about the region, restart and
> >hbck, but my opinion is that we should not abord the startup when such
> >exception occurs.
> >
> >JM
> >
> >
> >
> >java.lang.IllegalStateException: Unexpected state :
>
> >page,www\x1Fhttp\x1F-1\x1F/vote/comment/27996/1/\x1Fnull,1379104524006.17bee313797fc1ce982c0e31fdb6620c.
> >state=PENDING_OPEN, ts=1388065670415, server=node6,60020,1388027343261 ..
> >Cannot transit it to OFFLINE.
> >    at
>
> >org.apache.hadoop.hbase.master.AssignmentManager.setOfflineInZooKeeper(AssignmentManager.java:1890)
> >    at
>
> >org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1690)
> >    at
>
> >org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1426)
> >    at
>
> >org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1398)
> >    at
>
> >org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1393)
> >    at
>
> >org.apache.hadoop.hbase.master.handler.ClosedRegionHandler.process(ClosedRegionHandler.java:105)
> >    at
> >org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:175)
> >    at
>
> >java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> >    at
>
> >java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> >    at java.lang.Thread.run(Thread.java:744)
>

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