good methods to debug iOS exception - iphone

Question

i want to debug my exception at my app,i have read
Debugging -[NSCFDictionary setObject:forKey:]: attempt to insert nil value add so on,but these methods is happen at i am running my app,so i can use add an Exception breakpoint, click the Add (+) button at the bottom of the breakpoints list and click Add Exception Breakpoint ,and use gcc command line。but my question is if user give me a crash report,the bug not easy happen,how to solve it ,for example:
Application received signal SIGSEGV
(null)
(
0 CoreFoundation 0x3120e2bb + 186
1 libobjc.A.dylib 0x38f2b97f objc_exception_throw + 30
2 CoreFoundation 0x3120e1c5 + 0
3 myshine 0x001f9f51 myshine + 1503057
4 libsystem_c.dylib 0x393a9e8b _sigtramp + 34
5 myshine 0x000ac985 myshine + 137605
6 myshine 0x000ac35d myshine + 136029
7 CoreFoundation 0x311ab7cf + 74
8 CoreFoundation 0x311b1623 + 74
9 CoreFoundation 0x311ab507 + 326
10 CFNetwork 0x30f0fa8b + 98
11 CFNetwork 0x30f0ec71 + 36
12 CFNetwork 0x30f11365 + 44
13 CFNetwork 0x30f110f9 + 88
14 CFNetwork 0x30f114ff + 34
15 CFNetwork 0x30ed0ce1 + 324
16 CFNetwork 0x30ed1661 + 156
17 CFNetwork 0x30f0ec71 + 36
18 CFNetwork 0x30f11365 + 44
19 CoreFoundation 0x311e3683 + 14
20 CoreFoundation 0x311e2ee9 + 212
21 CoreFoundation 0x311e1cb7 + 646
22 CoreFoundation 0x31154ebd CFRunLoopRunSpecific + 356
23 CoreFoundation 0x311b39bb CFRunLoopRun + 98
24 myshine 0x000b20ef myshine + 159983
25 Foundation 0x31b24e85 + 972
26 libsystem_c.dylib 0x39382311 + 308
27 libsystem_c.dylib 0x393821d8 thread_start + 8
)
and
*** -[__NSArrayM objectAtIndex:]: index 121 beyond bounds [0 .. 23]
(
0 CoreFoundation 0x311963ff + 186
1 libobjc.A.dylib 0x38e87963 objc_exception_throw + 30
2 CoreFoundation 0x310e1ef9 + 164
3 myshine 0x001720b1 myshine + 1372337
4 UIKit 0x33090087 + 70
5 UIKit 0x3309003b + 30
6 UIKit 0x33090015 + 44
7 UIKit 0x3308f8cb + 502
8 UIKit 0x3308fdb9 + 488
9 UIKit 0x32fb85f9 + 524
10 UIKit 0x32fa58e1 + 380
11 UIKit 0x32fa51ef + 6198
12 GraphicsServices 0x34cbc5f7 + 590
13 GraphicsServices 0x34cbc227 + 34
14 CoreFoundation 0x3116b3e7 + 34
15 CoreFoundation 0x3116b38b + 138
16 CoreFoundation 0x3116a20f + 1382
17 CoreFoundation 0x310dd23d CFRunLoopRunSpecific + 356
18 CoreFoundation 0x310dd0c9 CFRunLoopRunInMode + 104
19 GraphicsServices 0x34cbb33b GSEventRunModal + 74
20 UIKit 0x32ff92b9 UIApplicationMain + 1120
21 myshine 0x00026ec7 myshine + 16071
22 myshine 0x00025660 myshine + 9824
)
through i know NSArray beyond bounds,but my app have many many NSArray,and they are user report,can you give me some easy methods to find the location?

Answer 1

From your question what I understood is you want the method which has produced the crash in your app. May be this can help you Symbolicating iPhone App Crash Reports.