Mailing-List: contact user-help@hbase.apache.org; run by ezmlm
Precedence: bulk
Reply-To: user@hbase.apache.org
Received-SPF: pass (athena.apache.org: domain of dwivedishashwat@gmail.com
 designates 209.85.212.41 as permitted sender)
MIME-Version: 1.0
In-Reply-To: <BLU0-SMTP377011E13D7578F35E1069B8F950@phx.gbl>
References: 
 <CAFnReZbPYdhRiYr5PgzXiEAS71u727xO3ArbmKcZ-xcJhW2J8Q@mail.gmail.com>
	<CAP+59w-u2Hs8r2bgHu-p1jjWmefCnYB_frww7Jx92=Okb2Zm5A@mail.gmail.com>
	<CAFnReZZVkYkg-w8dQpWimrz4-6E7vFawbtTHiBc4hZyu--HEuw@mail.gmail.com>
	<BLU0-SMTP377011E13D7578F35E1069B8F950@phx.gbl>
Date: Mon, 17 Sep 2012 11:17:31 +0530
Message-ID: 
 <CAAXmExX98wX3f0v3vB7xASN6ihxDKzY_4aBU88nbWvYv+1=U-g@mail.gmail.com>
Subject: Re: Problem with Hadoop and /etc/hosts file
From: shashwat shriparv <dwivedishashwat@gmail.com>
To: user@hbase.apache.org
Content-Type: multipart/alternative; boundary=047d7b5d2e2646b54504c9df4f04

--047d7b5d2e2646b54504c9df4f04
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

cnn you send the content of your hostname and hosts file content?

Regards

=E2=88=9E
Shashwat Shriparv


On Mon, Sep 17, 2012 at 11:09 AM, Michel Segel <michael_segel@hotmail.com>w=
rote:

> Just a hunch, w DNS, do you have your rDNS (reverse DNS lookup) set up
> correctly.
>
> Sent from a remote device. Please excuse any typos...
>
> Mike Segel
>
> On Sep 15, 2012, at 8:04 PM, Alberto Cordioli <cordioli.alberto@gmail.com=
>
> wrote:
>
> > This is the configuration I used till now...It works, but give the
> > mentioned error (although the procedure seems to return correct
> > results anyway.
> > I think in /etc/hosts should be also the line
> > 127.0.0.1 hostname
> >
> > but in that case Hadoop does not start.
> >
> > Alberto
> >
> > On 14 September 2012 18:19, Shumin Wu <shumin.wu@gmail.com> wrote:
> >> Would that work for you?
> >>
> >> 127.0.0.1        localhost
> >> 10.220.55.41  hostname
> >>
> >> -Shumin
> >>
> >> On Fri, Sep 14, 2012 at 6:18 AM, Alberto Cordioli <
> >> cordioli.alberto@gmail.com> wrote:
> >>
> >>> Hi,
> >>>
> >>> I've successfully installed Apache HBase on a cluster with Hadoop.
> >>> It works fine, but when I try to use Pig to load some data from an
> >>> HBase table I get this error:
> >>>
> >>> ERROR org.apache.hadoop.hbase.mapreduce.TableInputFormatBase - Cannot
> >>> resolve the host name for /10.220.55.41 because of
> >>> javax.naming.OperationNotSupportedException: DNS service refused
> >>> [response code 5]; remaining name '41.55.220.10.in-addr.arpa'
> >>>
> >>> Pig returns in any case the correct results (actually I don't know
> >>> how), but I'd like to solve this issue.
> >>>
> >>> I discovered that this error is due to a mistake in /etc/hosts
> >>> configuration file. In fact, as reported in the documentation, I
> >>> should add the line
> >>> 127.0.0.1    hostname
> >>> (http://hbase.apache.org/book.html#os).
> >>>
> >>> But if I add this entry my Hadoop cluster does not start since the
> >>> datanote is bind to the local address instead to the hostname/IP
> >>> address. For this reason in many tutorial it's suggested to remove
> >>> such entry (e.g.
> >>>
> >>>
> http://stackoverflow.com/questions/8872807/hadoop-datanodes-cannot-find-n=
amenode
> >>> ).
> >>>
> >>> Basically if I add that line Hadoop won't work, but if I keep the fil=
e
> >>> without the loopback address I get the above error.
> >>> What can I do? Which is the right configuration?
> >>>
> >>>
> >>> Thanks,
> >>> Alberto
> >>>
> >>>
> >>>
> >>>
> >>> --
> >>> Alberto Cordioli
> >>>
> >
> >
> >
> > --
> > Alberto Cordioli
> >
>


--=20


=E2=88=9E
Shashwat Shriparv

--047d7b5d2e2646b54504c9df4f04--