[SR-Users] Catching websocket / TCP errors

[Arsen Semenov]

Hi,
have you tried this param?
https://kamailio.org/docs/modules/devel/modules/usrloc.html#usrloc.p.db_clean_tcp

On Tue, Oct 5, 2021 at 8:49 PM Marrold <kamailio at marrold.co.uk> wrote:

> Hi,
>
> We're currently implementing WebRTC (SIP over a websocket) on our Kamailio
> proxies and we're experiencing a minor issue after a restart.
>
> We write all USRLOC entries to a shared database to implement HA. These
> are then loaded on a restart, which leaves us with entries with TCP
> connections that no longer exist. When a call attempt is made the proxy
> can't find the connection ID and immediately rejects the call with a "500
> No error (2/SL)" -
>
> Oct  5 15:38:24 proxy-01 /sbin/kamailio[32087]: WARNING: <core>
> [core/msg_translator.c:2861]: via_builder(): TCP/TLS connection (id: 0) for
> WebSocket could not be found
> Oct  5 15:38:24 proxy-01 /sbin/kamailio[32087]: ERROR: <core>
> [core/msg_translator.c:2038]: build_req_buf_from_sip_req(): could not
> create Via header
> Oct  5 15:38:24 proxy-01 /sbin/kamailio[32087]: ERROR: tm [t_fwd.c:479]:
> prepare_new_uac(): could not build request
> Oct  5 15:38:24 proxy-01 /sbin/kamailio[32087]: ERROR: tm [t_fwd.c:1759]:
> t_forward_nonack(): failure to add branches
> Oct  5 15:38:24 proxy-01 /sbin/kamailio[32087]: ERROR: sl
> [sl_funcs.c:414]: sl_reply_error(): stateless error reply used: No error
> (2/SL)
>
> How can we catch this error to avoid terminating the call prematurely? Or
> should we flush these TCP connections on start up?
>
> Thanks
> Matthew
>
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-- 
Arsen Semenov
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