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From Charan Malemarpuram <charan.malemarpu...@gmail.com>
Subject Re: Changing host names of region servers
Date Wed, 06 Apr 2011 00:45:37 GMT
Thanks JD.
 I will change the host names back to their original.

-Charan

On Tue, Apr 5, 2011 at 5:16 PM, Jean-Daniel Cryans <jdcryans@apache.org>wrote:

> It's this bug: https://issues.apache.org/jira/browse/HBASE-3478
>
> I can't think of any easy workaround at the moment except than
> creating new DNS entries with the old hostnames...
>
> J-D
>
> On Tue, Apr 5, 2011 at 2:05 PM, Charan Malemarpuram
> <charan.malemarpuram@gmail.com> wrote:
> > Sorry.
> >
> >  Clicked send too early.
> >
> >  We recently changed the hostnames of the Hbase installation. Including
> > region servers and master node. After adjusting and clearing the
> zookeeper,
> > HBase master doesnt start.
> >
> >  It still has some reference to the old hostnames. I am suspecting in
> > .META.
> >
> >  2011-04-05 13:21:04,340 INFO org.apache.hadoop.hbase.master.HMaster:
> -ROOT-
> > assigned=0, rit=false, location=XXXXX:60020
> > 2011-04-05 13:21:04,807 ERROR org.apache.hadoop.hbase.HServerAddress:
> Could
> > not resolve the DNS name ofXXXX:60020
> > 2011-04-05 13:21:04,808 FATAL org.apache.hadoop.hbase.master.HMaster:
> > Unhandled exception. Starting shutdown.
> > java.lang.IllegalArgumentException: Could not resolve the DNS name of
> > XXXXXXXX:60020
> >        at
> >
> org.apache.hadoop.hbase.HServerAddress.checkBindAddressCanBeResolved(HServerAddress.java:105)
> >        at
> > org.apache.hadoop.hbase.HServerAddress.<init>(HServerAddress.java:66)
> >        at
> >
> org.apache.hadoop.hbase.catalog.MetaReader.readLocation(MetaReader.java:344)
> >        at
> >
> org.apache.hadoop.hbase.catalog.MetaReader.readMetaLocation(MetaReader.java:281)
> >        at
> >
> org.apache.hadoop.hbase.catalog.CatalogTracker.getMetaServerConnection(CatalogTracker.java:279)
> >        at
> >
> org.apache.hadoop.hbase.catalog.CatalogTracker.verifyMetaRegionLocation(CatalogTracker.java:478)
> >        at
> >
> org.apache.hadoop.hbase.master.HMaster.assignRootAndMeta(HMaster.java:435)
> >        at
> >
> org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:382)
> >        at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:277)
> >
> >
> >   Any advice.
> >
> > Thanks,
> > Charan
> > On Tue, Apr 5, 2011 at 2:01 PM, Charan Malemarpuram <
> > charan.malemarpuram@gmail.com> wrote:
> >
> >> Hello,
> >>
> >>
> >>
> >
>

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