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HBase, mail # user - Could not resolve the DNS name of unknown


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Re: Could not resolve the DNS name of unknown
Shrijeet Paliwal 2011-10-20, 18:54
Jignesh,
This
http://search-hadoop.com/?q=hbase+dns&fc_project=HBase&fc_type=mail+_hash_+user
and
this
http://www.plus.net/support/software/dns/changing_dns_mac.shtml

As Stack pointed out in other thread , you can find mac OS communities more
helpful for some of your how-toes.

-Shrijeet

On Thu, Oct 20, 2011 at 11:47 AM, Jignesh Patel <[EMAIL PROTECTED]>wrote:

> Thanks Stack,
>
> Is there any link I can refer for that? I am using Lion OS x. Google
> doesn't
> help me much for this.
>
> -Jignesh
>
> On Thu, Oct 20, 2011 at 12:05 PM, Stack <[EMAIL PROTECTED]> wrote:
>
> > Fix your DNS, name resolving.
> > St.Ack
> >
> > On Thu, Oct 20, 2011 at 9:02 AM, Jignesh Patel <[EMAIL PROTECTED]>
> > wrote:
> > > Hbase was working till yesterday but I am seeing following error today.
> > >
> > > 2011-10-20 11:52:02,329 ERROR org.apache.hadoop.hbase.HServerAddress:
> > Could
> > > not resolve the DNS name of unknowne4ce8f3898fc
> > > 2011-10-20 11:52:02,329 FATAL org.apache.hadoop.hbase.master.HMaster:
> > > Unhandled exception. Starting shutdown.
> > > java.lang.IllegalArgumentException: hostname can't be null
> > > at java.net.InetSocketAddress.<init>(InetSocketAddress.java:121)
> > > at
> > >
> >
> org.apache.hadoop.hbase.HServerAddress.getResolvedAddress(HServerAddress.java:108)
> > > at
> org.apache.hadoop.hbase.HServerAddress.<init>(HServerAddress.java:64)
> > > at
> > >
> >
> org.apache.hadoop.hbase.catalog.MetaReader.readLocation(MetaReader.java:339)
> > > at
> > >
> >
> org.apache.hadoop.hbase.catalog.MetaReader.readMetaLocation(MetaReader.java:281)
> > > at
> > >
> >
> org.apache.hadoop.hbase.catalog.CatalogTracker.getMetaServerConnection(CatalogTracker.java:282)
> > > at
> > >
> >
> org.apache.hadoop.hbase.catalog.CatalogTracker.verifyMetaRegionLocation(CatalogTracker.java:488)
> > > at
> > >
> >
> org.apache.hadoop.hbase.master.HMaster.assignRootAndMeta(HMaster.java:441)
> > > at
> > >
> >
> org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:388)
> > > at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:282)
> > > at
> > >
> >
> org.apache.hadoop.hbase.master.HMasterCommandLine$LocalHMaster.run(HMasterCommandLine.java:193)
> > > at java.lang.Thread.run(Thread.java:680)
> > >
> >
>