Why unknown selector when calling JSONRPC on XBMC? - ios

Question

can someone give me a hint why i always geht an
"DSJSONRPC doesNotRecognizeSelector" when calling jsonrpc interface from XBMC?
Result in console:
*** JSON-RPC REQUEST:
{
id = 654509193;
jsonrpc = "2.0";
method = "Player.GetActivePlayers";
params = {
};
}
Code:
DSJSONRPC *jsonRPC = [[DSJSONRPC alloc] initWithServiceEndpoint:[NSURL URLWithString:#"http://192.168.1.101:8080/jsonrpc"]];
[jsonRPC callMethod:#"Player.GetActivePlayers" withParameters:#{ }
onCompletion:^(NSString *methodName, NSInteger callId, id methodResult, DSJSONRPCError *methodError, NSError* internalError)
Using DSJSONRPC from Demiurgic JSON RPC
Can't find the error - on XBMC a movie is playing at this time...
Thanks in advance,
cheese
here the error stack:
2013-12-22 22:02:52.846 XBMCapp[3529:70b] *** JSON-RPC REQUEST:
{
id = "-1698136466";
jsonrpc = "2.0";
method = "Player.GetActivePlayers";
params = {
};
}
2013-12-22 22:02:52.847 XBMCapp[3529:70b] Error:<DSJSONRPC: 0x95c11b0>
2013-12-22 22:02:52.847 XBMCapp[3529:70b] -[DSJSONRPC localizedDescription]: unrecognized selector sent to instance 0x95c11b0
2013-12-22 22:02:52.873 XBMCapp[3529:70b] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[DSJSONRPC localizedDescription]: unrecognized selector sent to instance 0x95c11b0'
*** First throw call stack:
(
0 CoreFoundation 0x01ef25e4 __exceptionPreprocess + 180
1 libobjc.A.dylib 0x018058b6 objc_exception_throw + 44
2 CoreFoundation 0x01f8f903 -[NSObject(NSObject) doesNotRecognizeSelector:] + 275
3 CoreFoundation 0x01ee290b ___forwarding___ + 1019
4 CoreFoundation 0x01ee24ee _CF_forwarding_prep_0 + 14
5 XBMCapp 0x000109ab -[DSJSONRPC callMethod:withParameters:onCompletion:] + 477
6 XBMCapp 0x000054df -[RootViewController nowplayingAction:] + 298
7 libobjc.A.dylib 0x01817874 -[NSObject performSelector:withObject:withObject:] + 77
8 UIKit 0x004780c2 -[UIApplication sendAction:to:from:forEvent:] + 108
9 UIKit 0x0074cc9b -[UIBarButtonItem(UIInternal) _sendAction:withEvent:] + 139
10 libobjc.A.dylib 0x01817874 -[NSObject performSelector:withObject:withObject:] + 77
11 UIKit 0x004780c2 -[UIApplication sendAction:to:from:forEvent:] + 108
12 UIKit 0x0047804e -[UIApplication sendAction:toTarget:fromSender:forEvent:] + 61
13 UIKit 0x005700c1 -[UIControl sendAction:to:forEvent:] + 66
14 UIKit 0x00570484 -[UIControl _sendActionsForEvents:withEvent:] + 577
15 UIKit 0x0056f733 -[UIControl touchesEnded:withEvent:] + 641
16 UIKit 0x004b551d -[UIWindow _sendTouchesForEvent:] + 852
17 UIKit 0x004b6184 -[UIWindow sendEvent:] + 1232
18 UIKit 0x00489e86 -[UIApplication sendEvent:] + 242
19 UIKit 0x0047418f _UIApplicationHandleEventQueue + 11421
20 CoreFoundation 0x01e7b83f __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 15
21 CoreFoundation 0x01e7b1cb __CFRunLoopDoSources0 + 235
22 CoreFoundation 0x01e9829e __CFRunLoopRun + 910
23 CoreFoundation 0x01e97ac3 CFRunLoopRunSpecific + 467
24 CoreFoundation 0x01e978db CFRunLoopRunInMode + 123
25 GraphicsServices 0x02d889e2 GSEventRunModal + 192
26 GraphicsServices 0x02d88809 GSEventRun + 104
27 UIKit 0x00476d3b UIApplicationMain + 1225
28 XBMCapp 0x0000234b main + 93
29 libdyld.dylib 0x02a2a70d start + 1
30 ??? 0x00000001 0x0 + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException

Answer 1

ok, found the problem - perhaps I have an old version of the JSON class...
There was an uninitialised error variable...
changing it to nil then everything works like a charm.
thanks anyway :)