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From "Yves S. Garret" <yoursurrogate...@gmail.com>
Subject Re: HBase is not running.
Date Fri, 24 May 2013 20:57:38 GMT
I can.  I'll change /etc/sysconfig/network to localhost, for a hostname.

In CentOS/Fedora/Red Hat, /etc/hostname does not exist and it's
/etc/sysconfig/network :) .


On Fri, May 24, 2013 at 4:25 PM, Jay Vyas <jayunit100@gmail.com> wrote:

> +1 for a VM on your own machine.  That's how I do it because its easy to
> control and muck with network settings .
>
> Cant you just Edit etc/hostname file ?
>
> On May 24, 2013, at 4:03 PM, Jean-Daniel Cryans <jdcryans@apache.org>
> wrote:
>
> > This is a machine identity problem. HBase simply uses the normal Java
> > APIs and asks "who am I?". The answer it gets is
> > ip72-215-225-9.at.at.cox.net. Changing this should only be a matter of
> > DNS configs, starting with /etc/hosts. What is your machine's hostname
> > exactly (run "hostname")? When you ping it, what does it return? That
> > should get you started. Does you machine even have a local IP when you
> > run ifconfig? If not, all you can do is force everything to localhost
> > in your network configs. It also means you cannot use HBase in a
> > distributed fashion.
> >
> > Changing the code seems like a waste of time, HBase is inherently
> > distributed and it relies on machines having their network correctly
> > configured. Your time might be better spent using a VM on your own
> > machine.
> >
> > J-D
> >
> > On Fri, May 24, 2013 at 12:38 PM, Yves S. Garret
> > <yoursurrogategod@gmail.com> wrote:
> >> That seems to be the case.  The thing that I don't get is if I missed
> any
> >> "global" setting in order to make everything turn towards localhost.
>  What
> >> am I missing?
> >>
> >> I'll scour the HBase docs again.
> >>
> >>
> >> On Fri, May 24, 2013 at 1:17 PM, Jay Vyas <jayunit100@gmail.com> wrote:
> >>
> >>> Yes ... get hostname and /etc/hosts synced up properly and i bet that
> will
> >>> fix it
> >>>
> >>>
> >>> On Fri, May 24, 2013 at 12:41 PM, Jean-Daniel Cryans <
> jdcryans@apache.org
> >>>> wrote:
> >>>
> >>>> Ah yeah the master advertised itself as:
> >>>>
> >>>> Attempting connect to Master server at
> >>>> ip72-215-225-9.at.at.cox.net,46122,1369408257140
> >>>>
> >>>> So the region server cannot find it since that's the public address
> >>>> and nothing's reachable through that. Now you really need to fix your
> >>>> networking :)
> >>>>
> >>>> J-D
> >>>>
> >>>> On Fri, May 24, 2013 at 8:21 AM, Yves S. Garret
> >>>> <yoursurrogategod@gmail.com> wrote:
> >>>>> Ok, weird, it still seems to be looking towards Cox.
> >>>>>
> >>>>> Here is my hbase-site.xml file:
> >>>>> http://bin.cakephp.org/view/628322266
> >>>>>
> >>>>>
> >>>>> On Thu, May 23, 2013 at 7:35 PM, Jean-Daniel Cryans <
> >>> jdcryans@apache.org
> >>>>> wrote:
> >>>>>
> >>>>>> No, I meant hbase.master.ipc.address and
> >>>>>> hbase.regionserver.ipc.address. See
> >>>>>> https://issues.apache.org/jira/browse/HBASE-8148.
> >>>>>>
> >>>>>> J-D
> >>>>>>
> >>>>>> On Thu, May 23, 2013 at 4:34 PM, Yves S. Garret
> >>>>>> <yoursurrogategod@gmail.com> wrote:
> >>>>>>> Do you mean hbase.master.info.bindAddress and
> >>>>>>> hbase.regionserver.info.bindAddress?  I couldn't find
> >>>>>>> anything else in the docs.  But having said that, both
> >>>>>>> are set to 0.0.0.0 by default.
> >>>>>>>
> >>>>>>> Also, I checked out 127.0.0.1:60010 and 0.0.0.0:60010,
> >>>>>>> no web gui.
> >>>>>>>
> >>>>>>>
> >>>>>>> On Thu, May 23, 2013 at 7:19 PM, Jean-Daniel Cryans <
> >>>> jdcryans@apache.org
> >>>>>>> wrote:
> >>>>>>>
> >>>>>>>> It should only be a matter of network configuration
and not a
> >>> matter
> >>>>>>>> of whether you are a Hadoop expert or not. HBase is
just trying to
> >>>> get
> >>>>>>>> the machine's hostname and bind to it and in your case
it's given
> >>>>>>>> something it cannot use. It's unfortunate.
> >>>>>>>>
> >>>>>>>> IIUC your machine is hosted on cox.net? And it seems
that while
> >>>>>>>> providing that machine they at some point set it up
so that its
> >>>>>>>> hostname would resolve to a public address. Sounds like
a
> >>>>>>>> misconfiguration. Anyways, you can edit your /etc/hosts
so that
> >>> your
> >>>>>>>> hostname points to 127.0.0.1 or, since you are using
0.94.7, set
> >>> both
> >>>>>>>> hbase.master.ipc.address and hbase.regionserver.ipc.address
to
> >>>> 0.0.0.0
> >>>>>>>> in your hbase-site.xml so that it binds on the wildcard
address
> >>>>>>>> instead.
> >>>>>>>>
> >>>>>>>> J-D
> >>>>>>>>
> >>>>>>>> On Thu, May 23, 2013 at 4:07 PM, Yves S. Garret
> >>>>>>>> <yoursurrogategod@gmail.com> wrote:
> >>>>>>>>> How weird.  Admittedly I'm not terribly knowledgeable
about
> >>> Hadoop
> >>>>>>>>> and all of its sub-projects, but I don't recall
ever setting any
> >>>>>>>> networking
> >>>>>>>>> info to something other than localhost.  What would
cause this?
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>> On Thu, May 23, 2013 at 6:26 PM, Jean-Daniel Cryans
<
> >>>>>> jdcryans@apache.org
> >>>>>>>>> wrote:
> >>>>>>>>>
> >>>>>>>>>> That's your problem:
> >>>>>>>>>>
> >>>>>>>>>> Caused by: java.net.BindException: Problem binding
to
> >>>>>>>>>> ip72-215-225-9.at.at.cox.net/72.215.225.9:0
: Cannot assign
> >>>>>> requested
> >>>>>>>>>> address
> >>>>>>>>>>
> >>>>>>>>>> Either it's a public address and you can't bind
to it or someone
> >>>> else
> >>>>>>>>>> is using it.
> >>>>>>>>>>
> >>>>>>>>>> J-D
> >>>>>>>>>>
> >>>>>>>>>> On Thu, May 23, 2013 at 3:24 PM, Yves S. Garret
> >>>>>>>>>> <yoursurrogategod@gmail.com> wrote:
> >>>>>>>>>>> Here is my dump of the sole log file in
the logs directory:
> >>>>>>>>>>> http://bin.cakephp.org/view/2116332048
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>> On Thu, May 23, 2013 at 6:20 PM, Jean-Daniel
Cryans <
> >>>>>>>> jdcryans@apache.org
> >>>>>>>>>>> wrote:
> >>>>>>>>>>>
> >>>>>>>>>>>> On Thu, May 23, 2013 at 2:50 PM, Jay
Vyas <
> >>>> jayunit100@gmail.com>
> >>>>>>>> wrote:
> >>>>>>>>>>>>> 1) Should hbase-master be changed
to localhost?
> >>>>>>>>>>>>>
> >>>>>>>>>>>>> Maybe Try changing /etc/hosts to
match the actual non
> >>>> loopback
> >>>>>> ip
> >>>>>>>> of
> >>>>>>>>>>>> your machine... (i.e. just run Ifconfig
| grep 1 and see what
> >>>> ip
> >>>>>>>> comes
> >>>>>>>>>> out
> >>>>>>>>>>>> :))
> >>>>>>>>>>>>> and make sure your /etc/hosts matches
the file in my blog
> >>>> post,
> >>>>>>>> (you
> >>>>>>>>>>>> need hbase-master to be defined in your
/etc/hosts...).
> >>>>>>>>>>>>
> >>>>>>>>>>>> hbase.master was dropped around 2009
now that we have
> >>>> zookeeper.
> >>>>>> So
> >>>>>>>>>>>> you can set it to whatever you want,
it won't change anything
> >>>> :)
> >>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>> 2) zookeeper parent seems bad..
> >>>>>>>>>>>>>
> >>>>>>>>>>>>> Change hbase-rootdir to "hbase"
(in hbase.rootdir) so that
> >>>> it's
> >>>>>>>>>>>> consistent with what you defined in
zookeeper parent node.
> >>>>>>>>>>>>
> >>>>>>>>>>>> Those two are really unrelated, /hbase
is the default so no
> >>>> need
> >>>>>> to
> >>>>>>>>>>>> override it, and I'm guessing that hbase.rootdir
is somewhere
> >>>>>>>> writable
> >>>>>>>>>>>> so that's all good.
> >>>>>>>>>>>>
> >>>>>>>>>>>> Now, regarding the "Check the value
configured in
> >>>>>>>>>>>> 'zookeeper.znode.parent", it's triggered
when the client
> >>> wants
> >>>> to
> >>>>>>>> read
> >>>>>>>>>>>> the /hbase znode in ZooKeeper but it's
unable to. If it
> >>> doesn't
> >>>>>>>> exist,
> >>>>>>>>>>>> it might be because your HBase is homed
elsewhere. It could
> >>>> also
> >>>>>> be
> >>>>>>>>>>>> that HBase isn't running at all so the
Master never got to
> >>>> create
> >>>>>> it.
> >>>>>>>>>>>>
> >>>>>>>>>>>> BTW you can start the shell with -d
and it's gonna give more
> >>>> info
> >>>>>> and
> >>>>>>>>>>>> dump all the stack traces.
> >>>>>>>>>>>>
> >>>>>>>>>>>> Going by this thread I would guess that
HBase isn't running
> >>> so
> >>>> the
> >>>>>>>>>>>> shell won't help. Another way to check
is pointing your
> >>>> browser to
> >>>>>>>>>>>> localhost:60010 and see if the master
is responding. If not,
> >>>> time
> >>>>>> to
> >>>>>>>>>>>> open up the log and see what's up.
> >>>>>>>>>>>>
> >>>>>>>>>>>> J-D
> >>>
> >>>
> >>>
> >>> --
> >>> Jay Vyas
> >>> http://jayunit100.blogspot.com
> >>>
>

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