[SR-Users] JSON RPC Error: LUMP_RPL_BODY already added!

Wed Jun 6 16:47:23 CEST 2018

Hi,

I performed the following:

# kamcmd dbg.trace on
# curl --header 'Content-Type: application/json' \
--data-binary '{\
"jsonrpc": "2.0", \
"method": "ul.lookup", \
"params": [ "location","user at example.com"], \
"id": 3 }' http://registrar.example.com/rpc
# kamcmd dbg.trace off

And the following was presented in the log file

[5843]: ERROR: *** cfgtrace:request_route=[xhttp:request] 
c=[/etc/kamailio/routing_logic.cfg] l=301 a=63 n=assign
[5843]: ERROR: *** cfgtrace:request_route=[xhttp:request] 
c=[/etc/kamailio/routing_logic.cfg] l=305 a=16 n=if
[5843]: ERROR: *** cfgtrace:request_route=[xhttp:request] 
c=[/etc/kamailio/routing_logic.cfg] l=303 a=24 n=jsonrpc_dispatch
[5843]: ERROR: *** cfgtrace:request_route=[xhttp:request] 
c=[/etc/kamailio/routing_logic.cfg] l=305 a=63 n=assign
[5843]: ERROR: *** cfgtrace:request_route=[xhttp:request] 
c=[/etc/kamailio/routing_logic.cfg] l=313 a=16 n=if
[5843]: ERROR: *** cfgtrace:request_route=[xhttp:request] 
c=[/etc/kamailio/routing_logic.cfg] l=314 a=28 n=xhttp_reply
[5843]: ERROR: <core> [core/data_lump_rpl.c:83]: add_lump_rpl2(): 
LUMP_RPL_BODY already added!
[5843]: ERROR: xhttp [xhttp_mod.c:410]: xhttp_send_reply(): Error while 
adding reply lump

The relevent request route is as follows:

# Handling HTTP events
event_route[xhttp:request] {
         $var(xhttp_rpc_root) = $(hu{s.substr,0,4});
         if ($var(xhttp_rpc_root) == "/rpc") {
                 jsonrpc_dispatch();
         }
         $var(xhttp_rpc_root) = $(hu{s.substr,0,9});
         if ($var(xhttp_rpc_root) == "/http_rpc") {
                 dispatch_xhttp_rpc();
         }
         #$var(xhttp_rpc_root) = $(hu{s.substr,0,8});
         #if ($var(xhttp_rpc_root) == "/http_pi") {
         #        dispatch_xhttp_pi();
         #}
         xhttp_reply("200", "OK", "text/html",
                 "<html><body>Wrong URL $hu</body></html>");
}

Just looking at the above event route, do I need to "exit" the if 
statements above, would the last xhttp_reply be causing this error?

Thanks

On 18/05/18 13:52, Daniel-Constantin Mierla wrote:
> this sounds like the body for reply was already set. Can you enable
> cfgtrace in debugger module and see what actions are executed in that
> situation?

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