[pgpool-general: 1366] Re: md5 auth only works when I start pgpool with "-n"

[Tatsuo Ishii]

From: David Kerr <web at mr-paradox.net>
Subject: Re: [pgpool-general: 1363] md5 auth only works when I start pgpool with "-n"
Date: Sat, 2 Feb 2013 20:33:58 -0800
Message-ID: <80CD5B89-9D55-44CA-8C21-6527C53113CD at mr-paradox.net>

> On Feb 2, 2013, at 12:57 AM, Tatsuo Ishii <ishii at postgresql.org> wrote:
> 
>>> Howdy,
>>> 
>>> I believe I ran into this a few months ago and didn't get a resolution. Now I'm back at it and I hope
>>> that there's an answer.
>>> 
>>> Basically, if i start pgpool (streaming replication / pooling mode) with:
>>> pgpool -nf pgpool.conf
>>> 
>>> I can log in just fine via md5 authentication.
>>> 
>>> However, If i start it with
>>> pgpool -f pgpool.conf
>>> 
>>> I get: psql: ERROR:  "MD5" authentication with pgpool failed for user "postgres"
>>> 
>>> Since it works fine when i don't background it, I have to assume that my
>>> configuration is correct.
>>> 
>>> I can strace the various processes. (attached) 
>>> master is: pgpool -f pgpool.conf
>>> worker is: pgpool: worker process
>>> waiter is: pgpool: wait for connection request
>>> 
>>> I'm on pgpool 3.2.1, CentOS.
>>> 
>>> Hopefully this one's already been covered quite a bit (although no luck with
>>> google and reading back mailing list messages).
>> 
>> Did not reproduce with master here. However we have fixed
>> pool_password problem in last October.
>> 
>> http://git.postgresql.org/gitweb/?p=pgpool2.git;a=commit;h=8e18fee1663fba81d1e56a77bc6702c6930692a8
>> 
>> And this may related to your problem.
>> 
>> Can you please try with this patch or the latest 3.2-stable snapshot?
>> 
>> http://git.postgresql.org/gitweb/?p=pgpool2.git;a=snapshot;h=45c08c8349f72f72d05775ad58889b46ce8b4cf7;sf=tgz
>> --
>> Tatsuo Ishii
>> SRA OSS, Inc. Japan
>> English: http://www.sraoss.co.jp/index_en.php
>> Japanese: http://www.sraoss.co.jp
>> 
> 
> Same problem.
> 
> Should I not be starting pgpool as root? would that make any difference?

I don't think so. BTW, can you show ls -l /proc/fd/waiter_pid? I want
to make sure that fd (4 your from waiter ptrace) correctly points to
pool_passwd.
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese: http://www.sraoss.co.jp