Hi,

My standalone HBase instance, installed as per the 'getting started' section
at  http://hbase.apache.org/book/quickstart.html, doesn't work insofar.

I get in the log file:

2012-11-23 18:26:37,827 INFO org.apache.zookeeper.ClientCnxn: Session
establishment complete on server localhost/127.0.0.1:2181, sessionid = 0x1
3b2e17842c0002, negotiated timeout = 40000
2012-11-23 18:26:37,866 INFO org.apache.hadoop.ipc.HBaseRPC: Server at
localhost/127.0.0.1:39699 could not be reached after 1 tries, giving up.
2012-11-23 18:26:37,867 WARN
org.apache.hadoop.hbase.master.AssignmentManager: Failed assignment of
-ROOT-,,0.70236052 to localhost,39699,135368
7992912, trying to assign elsewhere instead; retry=0
org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed setting up
proxy interface org.apache.hadoop.hbase.ipc.HRegionInterface to loca
lhost/127.0.0.1:39699 after attempts=1
.
.
.
2012-11-23 18:26:37,869 WARN
org.apache.hadoop.hbase.master.AssignmentManager: Unable to find a viable
location to assign region -ROOT-,,0.70236
052
2012-11-23 18:29:53,157 ERROR
org.apache.hadoop.hbase.master.HMasterCommandLine: Failed to start masterv

This is on an Ubuntu 12.04 LTS VirtualBox, 1GB Memory, 10GB free disk space,
with Oracle JRE 1.6.0_37.

I found some workarounds talking about /etc/hosts but am not sure whether
they are relevant. My etc/hosts contains only:

::1     ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters

I'm really stuck here.
Any help would be very much appreciated! Thanks!
I also posted this at  stackoverflow
<http://stackoverflow.com/questions/13533283/hbase-fails-to-start>   before
finding this mailing list (... promise to update both when I have it
resolved)

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Just try adding this entry alone in your local host

127.0.0.1  'hostname'

and then try.. Recently i faced this problem and it got resolved.

Regards
Ram

On Sat, Nov 24, 2012 at 2:16 PM, matan <[EMAIL PROTECTED]> wrote:

> Hi,
>
> My standalone HBase instance, installed as per the 'getting started'
> section
> at  http://hbase.apache.org/book/quickstart.html, doesn't work insofar.
>
> I get in the log file:
>
> 2012-11-23 18:26:37,827 INFO org.apache.zookeeper.ClientCnxn: Session
> establishment complete on server localhost/127.0.0.1:2181, sessionid = 0x1
> 3b2e17842c0002, negotiated timeout = 40000
> 2012-11-23 18:26:37,866 INFO org.apache.hadoop.ipc.HBaseRPC: Server at
> localhost/127.0.0.1:39699 could not be reached after 1 tries, giving up.
> 2012-11-23 18:26:37,867 WARN
> org.apache.hadoop.hbase.master.AssignmentManager: Failed assignment of
> -ROOT-,,0.70236052 to localhost,39699,135368
> 7992912, trying to assign elsewhere instead; retry=0
> org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed setting up
> proxy interface org.apache.hadoop.hbase.ipc.HRegionInterface to loca
> lhost/127.0.0.1:39699 after attempts=1
> .
> .
> .
> 2012-11-23 18:26:37,869 WARN
> org.apache.hadoop.hbase.master.AssignmentManager: Unable to find a viable
> location to assign region -ROOT-,,0.70236
> 052
> 2012-11-23 18:29:53,157 ERROR
> org.apache.hadoop.hbase.master.HMasterCommandLine: Failed to start masterv
>
> This is on an Ubuntu 12.04 LTS VirtualBox, 1GB Memory, 10GB free disk
> space,
> with Oracle JRE 1.6.0_37.
>
> I found some workarounds talking about /etc/hosts but am not sure whether
> they are relevant. My etc/hosts contains only:
>
> ::1     ip6-localhost ip6-loopback
> fe00::0 ip6-localnet
> ff00::0 ip6-mcastprefix
> ff02::1 ip6-allnodes
> ff02::2 ip6-allrouters
>
> I'm really stuck here.
> Any help would be very much appreciated! Thanks!
> I also posted this at  stackoverflow
> <http://stackoverflow.com/questions/13533283/hbase-fails-to-start>
> before
> finding this mailing list (... promise to update both when I have it
> resolved)
>
>
>
> --
> View this message in context:
> http://apache-hbase.679495.n3.nabble.com/standalone-HBase-instance-fails-to-start-tp4034333.html
> Sent from the HBase User mailing list archive at Nabble.com.
>

Thanks! seems to be working!

On Sat, Nov 24, 2012 at 1:11 PM, ramkrishna vasudevan [via Apache HBase] <
ml-node+[EMAIL PROTECTED]> wrote:

> 127.0.0.1  'hostname'
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Maybe this should be added in the documentation as an hint?
Le 24 nov. 2012 06:24, "matan" <[EMAIL PROTECTED]> a écrit :

> Thanks! seems to be working!
>
> On Sat, Nov 24, 2012 at 1:11 PM, ramkrishna vasudevan [via Apache HBase] <
> ml-node+[EMAIL PROTECTED]> wrote:
>
> > 127.0.0.1  'hostname'
>
>
>
>
> --
> View this message in context:
> http://apache-hbase.679495.n3.nabble.com/standalone-HBase-instance-fails-to-start-tp4034333p4034335.html
> Sent from the HBase User mailing list archive at Nabble.com.

As for myself, I'm not 100% sure why it is necessary to change this IP
address from one loopback address to the other, so I cannot fully suggest a
change in that respect myself.. anyway, it may seem that change is only
necessary in Ubuntu/Debian, if that matters in terms of how many people
need to make that change.
On Sat, Nov 24, 2012 at 2:41 PM, Jean-Marc Spaggiari [via Apache HBase] <
ml-node+[EMAIL PROTECTED]> wrote:

> Maybe this should be added in the documentation as an hint?
> Le 24 nov. 2012 06:24, "matan" <[hidden email]<http://user/SendEmail.jtp?type=node&node=4034336&i=0>>
> a écrit :
>
> > Thanks! seems to be working!
> >
> > On Sat, Nov 24, 2012 at 1:11 PM, ramkrishna vasudevan [via Apache HBase]
> <
> > [hidden email] <http://user/SendEmail.jtp?type=node&node=4034336&i=1>>
> wrote:
> >
> > > 127.0.0.1  'hostname'
> >
> >
> >
> >
> > --
> > View this message in context:
> >
> http://apache-hbase.679495.n3.nabble.com/standalone-HBase-instance-fails-to-start-tp4034333p4034335.html
>
> > Sent from the HBase User mailing list archive at Nabble.com.
>
>
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On Sat, Nov 24, 2012 at 4:40 AM, Jean-Marc Spaggiari
<[EMAIL PROTECTED]> wrote:
> Maybe this should be added in the documentation as an hint?

We have a section on loopback here:
http://hbase.apache.org/book.html#basic.prerequisites

What should we add to it?

St.Ack

It's included here http://hbase.apache.org/book.html actually, maybe link
the 'getting started' page to that page, unless it's becoming unfavorably
cyclic.
On Sat, Nov 24, 2012 at 6:40 PM, Matan Safriel <[EMAIL PROTECTED]> wrote:

> As for myself, I'm not 100% sure why it is necessary to change this IP
> address from one loopback address to the other, so I cannot fully suggest a
> change in that respect myself.. anyway, it may seem that change is only
> necessary in Ubuntu/Debian, if that matters in terms of how many people
> need to make that change.
>
>
> On Sat, Nov 24, 2012 at 2:41 PM, Jean-Marc Spaggiari [via Apache HBase] <
> ml-node+[EMAIL PROTECTED]> wrote:
>
>> Maybe this should be added in the documentation as an hint?
>> Le 24 nov. 2012 06:24, "matan" <[hidden email]<http://user/SendEmail.jtp?type=node&node=4034336&i=0>>
>> a écrit :
>>
>> > Thanks! seems to be working!
>> >
>> > On Sat, Nov 24, 2012 at 1:11 PM, ramkrishna vasudevan [via Apache
>> HBase] <
>> > [hidden email] <http://user/SendEmail.jtp?type=node&node=4034336&i=1>>
>> wrote:
>> >
>> > > 127.0.0.1  'hostname'
>> >
>> >
>> >
>> >
>> > --
>> > View this message in context:
>> >
>> http://apache-hbase.679495.n3.nabble.com/standalone-HBase-instance-fails-to-start-tp4034333p4034335.html
>>
>> > Sent from the HBase User mailing list archive at Nabble.com.
>>
>>
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On Sat, Nov 24, 2012 at 9:45 AM, matan <[EMAIL PROTECTED]> wrote:
> It's included here http://hbase.apache.org/book.html actually, maybe link
> the 'getting started' page to that page, unless it's becoming unfavorably
> cyclic.
>

I did as you suggested by listing java, loopback and ssh as prereqs
for getting started.
St.Ack

On Sun, Nov 25, 2012 at 8:28 AM, matan <[EMAIL PROTECTED]> wrote:
> Nothing. Maybe just link to it from
> http://hbase.apache.org/book/quickstart.html such that people for whom the
> quick start doesn't work, will have a direct route to this and other
> prerequisites.
>

I just added note on loopback to the getting started:
http://hbase.apache.org/book.html#quickstart

I don't want to clutter the getting started w/ a long list of prereqs
that actually are not needed putting up hbase in standalone mode; e.g.
you don't need to make sure ssh to localhost is working when doing
standalone.

Thanks.  Any other suggestions on how to improve the doc. are most welcome.
St.Ack