[OpenSIPS-Users] TCP Errors

[Bogdan-Andrei Iancu]

Hi,

That bug log actually says OpenSIPS tries to remove a connection marked 
as READ from a list for WRITEs :)..

I will look into that. What exact version do you use (opensips -V) ? 
also, can you reproduce this  bug ?

Thanks and regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 25.06.2014 20:27, Gary Nyquist wrote:
> Thanks Bogdan for the detailed reply.
> I implemented your advice.
> Those error messages are now gone.
> But seeing a new error now; not sure if it is related to that...
> ERROR:core:io_watch_del: BUG - trying to del fd 36 with flags 2 1
> Any advice?
> BR
> -Gary
> *Sent:* Wednesday, June 25, 2014 at 5:54 AM
> *From:* "Bogdan-Andrei Iancu" <bogdan at opensips.org>
> *To:* "OpenSIPS users mailling list" <users at lists.opensips.org>, 
> gn62 at gmx.us
> *Subject:* Re: [OpenSIPS-Users] TCP Errors
> Hi,
>
> Those messages say that OpenSIPS tried to open a TCP connection to a 
> party which does not respond -> there was a timeout for connect in 10 
> seconds. Because of this blocking in connects, there were not more 
> opensips workers available to handle other traffic.
>
> So what you need to do is :
>     - minimize the impact of the blocking connect - see my previous 
> email on reducing the connect timeout
>     - you may configure OpenSIPS not to open new TCP connect (but to 
> reuse the existing ones, open by clients). See tcp_no_new_conn_bflag
> http://www.opensips.org/Documentation/Script-CoreParameters-1-11#toc96
>     - try to understand the SIP patterns where such TCP connect fails 
> so you can avoid them at script level.
>
> Regards,
> Bogdan-Andrei Iancu
> OpenSIPS Founder and Developer
> http://www.opensips-solutions.com
> On 24.06.2014 21:34, Gary Nyquist wrote:
>
>     Hi,
>
>     The following lines are repeating in the log.
>
>     ERROR:core:tcp_blocking_connect: timeout 10 s elapsed from 10 s
>     ERROR:core:tcpconn_connect: tcp_blocking_connect failed
>     ERROR:core:tcp_send: connect failed
>     ERROR:tm:msg_send: tcp_send failed
>
>     INFO:core:send2child: no free tcp receiver, connection passed to
>     the least busy one
>
>     Any guess, what could be the reason?
>
>     Best
>
>     --Gary
>
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