iphone application crash on replacing the video files

Question

I only replace the video files in my existing code, but if i replace all the video files my application will crash in iphone. it is an universal application but Ipad support all the new video files and crash on iphone. the following warning occur:

[NSCFType setLength:]: unrecognized selector sent to instance 0x19d790 2012-02-29 15:13:49.932[584:307] * Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSCFType setLength:]: unrecognized selector sent to instance 0x19d790' * Call stack at first throw: ( 0 CoreFoundation 0x3759dc7b __exceptionPreprocess + 114 1 libobjc.A.dylib
0x32d9bee8 objc_exception_throw + 40 2 CoreFoundation
0x3759f3e3 -[NSObject(NSObject) doesNotRecognizeSelector:] + 98 3
CoreFoundation 0x37544467 __forwarding + 506 4 CoreFoundation 0x37544220 _CF_forwarding_prep_0 + 48 5 Visionaries 0x00005179 -[Visionaries_ViewController connection:didReceiveResponse:] + 56 6 Foundation
0x35183cd5 -[NSURLConnection(NSURLConnectionReallyInternal) sendDidReceiveResponse:] + 92 7 Foundation
0x35183c3b _NSURLConnectionDidReceiveResponse + 86 8 CFNetwork
0x302941b4 _ZN19URLConnectionClient29_clientSendDidReceiveResponseEP14_CFURLResponsePNS_26ClientConnectionEventQueueE + 64 9 CFNetwork 0x30284bc8 _ZN19URLConnectionClient26ClientConnectionEventQueue33processAllEventsAndConsumePayloadEP20XConnectionEventInfoI12XClientEvent18XClientEventParamsEl + 332 10 CFNetwork 0x30284d84 _ZN19URLConnectionClient26ClientConnectionEventQueue33processAllEventsAndConsumePayloadEP20XConnectionEventInfoI12XClientEvent18XClientEventParamsEl + 776 11 CFNetwork 0x30284984 _ZN19URLConnectionClient13processEventsEv + 100 12 CFNetwork 0x3028484c _ZN17MultiplexerSource7performEv + 192 13 CFNetwork
0x30284788 _ZN17MultiplexerSource8_performEPv + 12 14 CoreFoundation 0x375518d1 CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION + 14 15 CoreFoundation 0x37521ecd __CFRunLoopDoSources0 + 384 16 CoreFoundation 0x375216f9 __CFRunLoopRun + 264 17 CoreFoundation
0x3752150b CFRunLoopRunSpecific + 226 18 CoreFoundation
0x37521419 CFRunLoopRunInMode + 60 19 GraphicsServices
0x33e76d24 GSEventRunModal + 196 20 UIKit
0x3591d57c -[UIApplication _run] + 588 21 UIKit
0x3591a558 UIApplicationMain + 972 22 Visionaries
0x00002391 main + 80 23 Visionaries
0x0000233c start + 40 ) terminate called after throwing an instance of 'NSException'

Somebody has an idea, please help.

Answer 1

By the crash log we see that, inside -[Visionaries_ViewController connection:didReceiveResponse:], you are calling the method setLength: on an object that does not have that method.

Can be a memory or logic problem. Please provide more info.