Re: 404 sent from Kamailio NOT from the script

Try add this string to yout config file


loadmodule "debugger.so"
modparam("debugger", "cfgtrace", 1)
modparam("debugger", "log_level_name", "exec")

And start Kamailio from the command line using command like
```
kamailio -DD -E -ddd
```
This will produce a lot of debug info.


On Tue, Apr 22, 2025 at 6:42 PM Richard Robson via sr-users <
[email protected]> wrote:

> I have a problem where a call comes in and causing a 404 Not Found to be
> replied.
>
> the script does not have a 404 reply set in it anywhere
>
> unfortunately I cannot get the script to produce logs, hence my other
> post. But its making it tricky to find the source of the 404. following
> the script it should not be producing a 404, but doing a relay. I
> suspect there is something wrong with the tm or its not getting a result
> it needs.
>
> It looks like the transaction module is triggering thge 404 somehow and
> Its showing up in debug below.
>
> Does anyone have any ideas why i'm getting a 404?
>
> version 5.6.6
>
> Regards, Richard
>
> Apr 22 14:50:51 kamai01 kamailio[28700]: DEBUG: {1 1 INVITE
> afc0c04-9d8bc3d-1bfb9be-7f02f033b5f0-2406050a-13d8-7225} tm
> [t_lookup.c:1100]: t_check_msg(): msg (0x7faf977b64b0) id=4/28700 global
> id=3/28700 T start=0xffffffffffffffff
> Apr 22 14:50:51 kamai01 kamailio[28700]: DEBUG: {1 1 INVITE
> afc0c04-9d8bc3d-1bfb9be-7f02f033b5f0-2406050a-13d8-7225} tm
> [t_lookup.c:503]: t_lookup_request(): start searching: hash=60776, isACK=0
> Apr 22 14:50:51 kamai01 kamailio[28700]: DEBUG: {1 1 INVITE
> afc0c04-9d8bc3d-1bfb9be-7f02f033b5f0-2406050a-13d8-7225} tm
> [t_lookup.c:463]: matching_3261(): RFC3261 transaction matching failed -
> via branch [z9hG4bK-2e6a90ab-1bfb9be-d4ed8e5d-7f0300025430]
> Apr 22 14:50:51 kamai01 kamailio[28700]: DEBUG: {1 1 INVITE
> afc0c04-9d8bc3d-1bfb9be-7f02f033b5f0-2406050a-13d8-7225} tm
> [t_lookup.c:703]: t_lookup_request(): no transaction found
> Apr 22 14:50:51 kamai01 kamailio[28700]: DEBUG: {1 1 INVITE
> afc0c04-9d8bc3d-1bfb9be-7f02f033b5f0-2406050a-13d8-7225} tm
> [t_lookup.c:1172]: t_check_msg(): msg (0x7faf977b64b0) id=4/28700 global
> id=4/28700 T end=(nil)
> Apr 22 14:50:51 kamai01 kamailio[28700]: DEBUG: {1 1 INVITE
> afc0c04-9d8bc3d-1bfb9be-7f02f033b5f0-2406050a-13d8-7225} tm
> [t_lookup.c:1394]: t_newtran(): msg (0x7faf977b64b0) id=4/28700 global
> id=4/28700 T start=(nil)
> Apr 22 14:50:51 kamai01 kamailio[28700]: DEBUG: {1 1 INVITE
> afc0c04-9d8bc3d-1bfb9be-7f02f033b5f0-2406050a-13d8-7225} tm
> [t_lookup.c:503]: t_lookup_request(): start searching: hash=60776, isACK=0
> Apr 22 14:50:51 kamai01 kamailio[28700]: DEBUG: {1 1 INVITE
> afc0c04-9d8bc3d-1bfb9be-7f02f033b5f0-2406050a-13d8-7225} tm
> [t_lookup.c:463]: matching_3261(): RFC3261 transaction matching failed -
> via branch [z9hG4bK-2e6a90ab-1bfb9be-d4ed8e5d-7f0300025430]
> Apr 22 14:50:51 kamai01 kamailio[28700]: DEBUG: {1 1 INVITE
> afc0c04-9d8bc3d-1bfb9be-7f02f033b5f0-2406050a-13d8-7225} tm
> [t_lookup.c:703]: t_lookup_request(): no transaction found
> Apr 22 14:50:51 kamai01 kamailio[28700]: DEBUG: {1 1 INVITE
> afc0c04-9d8bc3d-1bfb9be-7f02f033b5f0-2406050a-13d8-7225} <core>
> [core/mem/q_malloc.c:385]: qm_malloc(): qm_malloc(0x7faf9301f000, 8336)
> called from tm: h_table.c: build_cell(336)
> Apr 22 14:50:51 kamai01 kamailio[28700]: DEBUG: {1 1 INVITE
> afc0c04-9d8bc3d-1bfb9be-7f02f033b5f0-2406050a-13d8-7225} tm
> [t_hooks.c:342]: run_reqin_callbacks_internal(): trans=0x7faf932f42c0,
> callback type 1, id 0 entered
> Apr 22 14:50:51 kamai01 kamailio[28700]: DEBUG: {1 1 INVITE
> afc0c04-9d8bc3d-1bfb9be-7f02f033b5f0-2406050a-13d8-7225} <core>
> [core/mem/q_malloc.c:385]: qm_malloc(): qm_malloc(0x7faf9301f000, 40)
> called from tm: t_hooks.c: insert_tmcb(134)
> Apr 22 14:50:51 kamai01 kamailio[28700]: DEBUG: {1 1 INVITE
> afc0c04-9d8bc3d-1bfb9be-7f02f033b5f0-2406050a-13d8-7225} tm
> [t_lookup.c:1100]: t_check_msg(): msg (0x7faf977b64b0) id=4/28700 global
> id=4/28700 T start=0x7faf932f42c0
> Apr 22 14:50:51 kamai01 kamailio[28700]: DEBUG: {1 1 INVITE
> afc0c04-9d8bc3d-1bfb9be-7f02f033b5f0-2406050a-13d8-7225} tm
> [t_lookup.c:1176]: t_check_msg(): T (0x7faf932f42c0) already found for
> msg (0x7faf977b64b0)!
> Apr 22 14:50:51 kamai01 kamailio[28700]: DEBUG: {1 1 INVITE
> afc0c04-9d8bc3d-1bfb9be-7f02f033b5f0-2406050a-13d8-7225} <core>
> [core/mem/q_malloc.c:385]: qm_malloc(): qm_malloc(0x7faf9301f000, 626)
> called from tm: t_reply.c: _reply_light(488)
> Apr 22 14:50:51 kamai01 kamailio[28700]: DEBUG: {1 1 INVITE
> afc0c04-9d8bc3d-1bfb9be-7f02f033b5f0-2406050a-13d8-7225} tm
> [t_reply.c:1768]: cleanup_uac_timers(): RETR/FR timers reset
> Apr 22 14:50:51 kamai01 kamailio[28700]: DEBUG: {1 1 INVITE
> afc0c04-9d8bc3d-1bfb9be-7f02f033b5f0-2406050a-13d8-7225} tm
> [t_hooks.c:252]: run_trans_callbacks_internal(): DBG:
> trans=0x7faf932f42c0, callback type 512, id 0 entered
> Apr 22 14:50:51 kamai01 kamailio[28700]: DEBUG: {1 1 INVITE
> afc0c04-9d8bc3d-1bfb9be-7f02f033b5f0-2406050a-13d8-7225} acc
> [acc_logic.c:721]: tmcb_func(): acc callback called for
> t(0x7faf932f42c0) event type 512, reply code 404
> Apr 22 14:50:51 kamai01 kamailio[28700]: DEBUG: {1 1 INVITE
> afc0c04-9d8bc3d-1bfb9be-7f02f033b5f0-2406050a-13d8-7225} tm
> [t_reply.c:625]: _reply_light(): reply sent out - buf=0x7faf977bf7f8:
> SIP/2.0 404 Not Foun... shmem=0x7faf932f0468: SIP/2.0 404 Not Foun
> Apr 22 14:50:51 kamai01 kamailio[28700]: DEBUG: {1 1 INVITE
> afc0c04-9d8bc3d-1bfb9be-7f02f033b5f0-2406050a-13d8-7225} tm
> [t_funcs.c:122]: put_on_wait(): put T [0x7faf932f42c0] on wait
> Apr 22 14:50:51 kamai01 kamailio[28700]: DEBUG: {1 1 INVITE
> afc0c04-9d8bc3d-1bfb9be-7f02f033b5f0-2406050a-13d8-7225} <core>
> [core/mem/q_malloc.c:495]: qm_free(): qm_free(0x7faf976b5010,
> 0x7faf977bf7f8), called from tm: t_reply.c: _reply_light(635)
> Apr 22 14:50:51 kamai01 kamailio[28700]: DEBUG: {1 1 INVITE
> afc0c04-9d8bc3d-1bfb9be-7f02f033b5f0-2406050a-13d8-7225} tm
> [t_reply.c:636]: _reply_light(): finished
> Apr 22 14:50:51 kamai01 kamailio[28700]: DEBUG: {1 1 INVITE
> afc0c04-9d8bc3d-1bfb9be-7f02f033b5f0-2406050a-13d8-7225} sl [sl.c:288]:
> send_reply(): reply in stateful mode (tm)
>
>
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