[SR-Users] P-CSCF error: pv_parse_spec2(): error searching pvar "uac_req"

Henning Westerholt hw at kamailio.org
Wed May 9 21:48:49 CEST 2018

Am Mittwoch, 9. Mai 2018, 18:29:05 CEST schrieb John M:
> I upgraded Kamailio 4.4 to 5.2.0-dev5 and when I tried to start the
> service(p-cscf), I am getting below error. However I am able to start the
> service with 4.4 p-cscf example cfg. Also after upgrading I-CSCF and S-CSCF
> nodes are running without any issue.
> Any help would be greatly appreciated!
> [root at 8bd3221bd31e kamailio]# kamailio -f
> [..]
>  0(2464) ERROR: <core> [core/pvapi.c:903]: pv_parse_spec2(): error
> searching pvar "uac_req"
>  0(2464) ERROR: <core> [core/pvapi.c:1107]: pv_parse_spec2(): wrong char
> [m/109] in [$uac_req(method)] at [9 (5)]
>  0(2464) CRITICAL: <core> [core/cfg.y:3489]: yyerror_at(): parse error in
> config file
> /usr/local/src/kamailio-5.1/kamailio/misc/examples/ims/pcscf/kamailio.cfg,
> line 831, column 3-18: Can't get from cache: $uac_req(method)
> ERROR: bad config file (1 errors)
> [..]


it looks that you need to properly define the "uac_req" variable. Is this included in your 
configuration? This is not really related to the *CSCF functionality, it belongs to the uac 

Best regards,

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