[SR-Users] cannot register ACC CDR JSON engine when using acc_json module

[Alexis Prodhomme]

Hi everyone,

I have some troubles using acc_json module. I can't load it and I don't 
understand why it fails.
The configuration is quite basic: Debian 10 and Kamailio (fails in 5.5 
and 5.6) installed using APT repository.

Here is parts of my config:

loadmodule "kex.so"
loadmodule "corex.so"
loadmodule "tm.so"
loadmodule "tmx.so"
loadmodule "rr.so"
loadmodule "pv.so"
loadmodule "dialog.so"
loadmodule "acc.so"
loadmodule "acc_json.so"
modparam("acc_json", "cdr_enable", 1)

I also tried with those 4 additionnal settings with no success:

modparam("acc_json", "cdr_output_syslog", 1)
modparam("acc_json", "cdr_log_facility", "LOG_LOCAL3")
modparam("acc_json", "cdr_enable", 1)
modparam("acc_json", "cdr_expired_dlg_enable", 1)

As soon as I set cdr_enable to 1, it displays the "*cannot register ACC 
CDR JSON engine*".

Here is logs:

  0(2488) DEBUG: <core> [core/sr_module.c:969]: init_mod(): acc_json
  0(2488) DEBUG: <core> [core/sr_module.c:722]: find_mod_export_record(): found export of <bind_acc> in module acc [/usr/lib/x86_64-linux-gnu/kamailio/modules/acc.so]
  0(2488) INFO: acc_json [acc_json_mod.c:159]: mod_init(): janson version : 2.12
  0(2488) DEBUG: <core> [core/mem/q_malloc.c:374]: qm_malloc(): qm_malloc(0x7f0a6b154010, 56) called from acc: acc_mod.c: acc_register_engine(725)
  0(2488) DEBUG: <core> [core/mem/q_malloc.c:419]: qm_malloc(): qm_malloc(0x7f0a6b154010, 56) returns address 0x7f0a6b220b40 frag. 0x7f0a6b220b08 (size=56) on 1 -th hit
  0(2488) DEBUG: acc_json [acc_json_mod.c:269]: acc_json_init():  init ...
  0(2488) DEBUG: acc [acc_mod.c:741]: acc_register_engine(): new acc engine registered: json
  0(2488) DEBUG: <core> [core/sr_module.c:722]: find_mod_export_record(): found export of <load_dlg> in module dialog [/usr/lib/x86_64-linux-gnu/kamailio/modules/dialog.so]
  0(2488) ERROR: acc_json [acc_json_mod.c:245]: mod_init(): cannot register ACC CDR JSON engine
  0(2488) ERROR: <core> [core/sr_module.c:974]: init_mod(): Error while initializing module acc_json (/usr/lib/x86_64-linux-gnu/kamailio/modules/acc_json.so)
ERROR: error while initializing modules

May it be related to the Jansson version ? I use the native one from 
Debian 10, v2.12.
Do you have any advice, or some tips to debug my issue ?

I don't really want to use acc module and parse CDRs manually from 
syslog, json is far easiest for this job.

Thank you

-- 
Alexis
R&D
Sewan
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