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Date: Wed, 17 Jul 2013 10:20:17 +0100
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Subject: Re: CouchDB on etop
From: Robert Newson <rnewson@apache.org>
To: erlang@couchdb.apache.org
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CouchDB does not, by default, run as a distributed Erlang node, which
explains the failure to connect (it's not listening).

You can add '-name couchdb@127.0.0.1' or similar to the startup
options to change that.

B.


On 17 July 2013 08:45, Alexander Shorin <kxepal@gmail.com> wrote:
> Hi there,
>
> I just tried to run etop against CouchDB inspired by one G+ post that
> provided shortcut script. I'd added -sname 'couchdb@localhost' (yes,
> with single quotes around the node name) argument for CouchDB startup
> and successfully located erlang cookie within couchdb user home dir
> (/var/lib/couchdb for me).
>
> The result command to run etop was looked as:
>
> erl -name etop-`date +%s` -hidden -s etop -s erlang halt \
>   -output text -node couchdb@127.0.0.1 -setcookie secret \
>   -tracing off -sort msg_q -interval 5
>
> But it had failed with an error:
>
> Erlang R16B (erts-5.10.1) [source] [64-bit] [smp:4:4] [async-threads:10]
>
> Eshell V5.10.1  (abort with ^G)
> (etop-1374045535@ashdarh.enlashor)1> Error Couldn't connect to node
> 'couchdb@127.0.0.1'
>
> and CouchDB didn't log any error messages about unwelcome connections
> from outside. I couldn't use couchdb@localhost for -node argument
> since it produce invalid node name error. Using long node name also
> was with no luck.
>
> Actually, I'd successfully solve my problem with entop[1] help, but
> wonder why erl command ahd failed to connect? Probably, entop handles
> connection right somewhere deep in sources and I feel the problem is
> too trivial, but looks I'd missed something...
>
> [1]: https://github.com/mazenharake/entop
>
>
> --
> ,,,^..^,,,