[Dovecot] POP3 error

[Thierry de Montaudry]

On 07 Mar 2011, at 17:17, Timo Sirainen wrote:

> On Mon, 2011-03-07 at 13:40 +0200, Thierry de Montaudry wrote:
>>>>> Mar  7 11:19:51 xxx dovecot: pop3-login: Error: net_connect_unix(pop3) failed: Resource temporarily unavailable
> ..
>>> Do you see any warning messages in logs containing "client connections are being dropped"?
>>> 
>> I did not see it on any machines. 
> 
> Hmh. Could you upgrade to 2.0.11? It splits the two causes of "Resource
> temporarily unavailable" errors to two separate error messages. It would
> help figuring out the problem.
> 
>> But for this specific one, I got the following after those errors, before restarting dovecot:
>> 
>> Mar  7 11:20:09 web4 dovecot: pop3(x at y): Error: net_connect_unix(/var/run/dovecot/dict) failed: Connection refused
>> Mar  7 11:20:11 web4 dovecot: pop3-login: Error: read(pop3) failed: Connection reset by peer
>> Mar  7 11:20:11 web4 dovecot: pop3-login: Error: read(pop3) failed: Connection reset by peer
>> Mar  7 11:20:11 web4 dovecot: pop3-login: Error: read(pop3) failed: Connection reset by peer
>> Mar  7 11:20:11 web4 dovecot: pop3-login: Error: read(pop3) failed: Connection reset by peer
> 
> This looks like processes started dying.
> 
As it is happening at least once a day, is there anything I can do to trace it? and whatever I'll do, will it slow down those machines?