[OpenSIPS-Users] Opensips-cp 8.3.0 / Call to undefined function json_encode()

[Maciej Bylica]

Hello


I am struggling with OpenSIPS-CP 8.3.0 (.zip source) configuration on
Centos 8.2

Opensips 3.1 uses port 8000 to interop with opensips-cp, but there are no
tcpdump packets on that port.

It turned out that i am getting following errors on php level:


[30-Nov-2020 14:13:54 UTC] PHP Warning:  Creating default object from empty
value in
/var/www/html/opensips-cp/config/tools/system/drouting/local.inc.php on
line 24

[30-Nov-2020 14:13:54 UTC] PHP Stack trace:

[30-Nov-2020 14:13:54 UTC] PHP   1. {main}()
/var/www/html/opensips-cp/web/tools/system/drouting/apply_changes.php:0

[30-Nov-2020 14:13:54 UTC] PHP   2. require()
/var/www/html/opensips-cp/web/tools/system/drouting/apply_changes.php:25

[30-Nov-2020 14:13:54 UTC] PHP Error:  Call to undefined function
json_encode() in /var/www/html/opensips-cp/web/common/mi_comm.php on line 31

[30-Nov-2020 14:13:54 UTC] PHP Stack trace:

[30-Nov-2020 14:13:54 UTC] PHP   1. {main}()
/var/www/html/opensips-cp/web/tools/system/drouting/apply_changes.php:0

[30-Nov-2020 14:13:54 UTC] PHP   2. mi_command($command = 'dr_reload',
$params_array = NULL, $mi_url = 'json:127.0.0.1:8000/JSON', $errors = NULL)
/var/www/html/opensips-cp/web/tools/system/drouting/apply_changes.php:43

[30-Nov-2020 14:13:54 UTC] PHP   3. write2json($command = 'dr_reload',
$params_array = NULL, $json_url = '127.0.0.1:8000/JSON', $errors = NULL)
/var/www/html/opensips-cp/web/common/mi_comm.php:87

[30-Nov-2020 14:13:54 UTC] PHP Fatal error:  Uncaught Error: Call to
undefined function json_encode() in
/var/www/html/opensips-cp/web/common/mi_comm.php:31

Stack trace:

#0 /var/www/html/opensips-cp/web/common/mi_comm.php(87):
write2json('dr_reload', NULL, '127.0.0.1:8000/...', NULL)

#1
/var/www/html/opensips-cp/web/tools/system/drouting/apply_changes.php(43):
mi_command('dr_reload', NULL, 'json:127.0.0.1:...', NULL)

#2 {main}

  thrown in /var/www/html/opensips-cp/web/common/mi_comm.php on line 31


I followed installation&configuration document located at
http://controlpanel.opensips.org/documentation.php.


Here is my boxes.global.inc.php config:

$boxes[$box_id]['mi']['conn']="json:127.0.0.1:8000/JSON";

but i also tried with

$boxes[$box_id]['mi']['conn']="json:127.0.0.1:8000/mi";

with the same effect.


Opensips (compiled from the sources) has got following modules up and
running:


####HTTP

loadmodule "httpd.so"

modparam("httpd", "port", 8000)


###JSON

loadmodule "json.so"


###MI_HTTP

loadmodule "mi_http.so"


Could you please point me where the problem might be located ?


Thanks

Maciej
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