title: App Crashes on my devices but works fine in simulator and when debugging through xcode
body: <p>my app got crashes  when i try to run in IOS6 device..but it working fine in simulator,debugging through xcode and it also run smoothly in IOS 7 device.. the problem is only for IOS 6 device. this is my console history</p>
  
  <pre><code>&lt;Error&gt;: *** Terminating app due to uncaught exception'NSFileHandleOperationException', 
   reason: '*** -[NSConcreteFileHandle writeData:]: Bad file descriptor'
  -iPhone ReportCrash[5485]
     &lt;Notice&gt;: Formulating crash report for process [5482]
     (UIKitApplication:[0x7046][5482])
      &lt;Warning&gt;: (UIKitApplication:[0x7046]) Jobappears to have crashed: Abort trap:    6
  
       &lt;Warning&gt;: Application 'UIKitApplication:[0x7046]'  
      exited abnormally with signal 6: Abort trap: 6
  </code></pre>
  
  <p>And this is the my Device Log History...</p>
  
  <pre><code>Incident Identifier: C7947F65-AD9A-4C9A-9A64-B9E3CF3C3003
  CrashReporter Key:   b5b0efe726413c3f18049e973c20792dc187d12e
  Hardware Model:      iPhone5,1
  Process:         PhytterDock [6121]
    Path:            /var/mobile/Applications/FEB77102-11A1-4A8B-8700-  C2EE2C3E9289/PhytterDock.app/PhytterDock
  Identifier:      PhytterDock
  Version:         ??? (???)
  Code Type:       ARM (Native)
              0x3991295e objc_exception_throw + 26
      0x39d7cfb2 pthread_kill + 54
  2   libsystem_c.dylib               0x39db9366 abort + 90
  3   libc++abi.dylib                 0x39361dda abort_message + 70
  4   libc++abi.dylib                 0x3935f094 default_terminate() + 20
  5   libobjc.A.dylib                 0x39912a58 _objc_terminate() + 144
  6   libc++abi.dylib                 0x3935f118 safe_handler_caller(void (*)()) + 76
  7   libc++abi.dylib                 0x3935f1b0 std::terminate() + 16
  8   libc++abi.dylib                 0x39360626 __cxa_rethrow + 90
  9   libobjc.A.dylib                 0x399129b0 objc_exception_rethrow + 8
  10  CoreFoundation                  0x31b5e29c CFRunLoopRunSpecific + 452
  11  CoreFoundation                  0x31b5e0c4 CFRunLoopRunInMode + 100
  12  GraphicsServices                0x3573d336 GSEventRunModal + 70
  13  UIKit                           0x33a7a2b4 UIApplicationMain + 1116
  14  PhytterDock                     0x000cf6d4 main (main.m:15)
  15  libdyld.dylib                   0x39d3fb1c start + 0
  
   Thread 1:
    0   libsystem_kernel.dylib            0x39e06d98 __workq_kernreturn + 8
   1   libsystem_c.dylib              0x39d54ad6 _pthread_workq_return + 14
   2   libsystem_c.dylib              0x39d547f2 _pthread_wqthread + 362
   3   libsystem_c.dylib              0x39d54680 start_wqthread + 4
  
   Thread 2 name:  Dispatch queue: com.apple.libdispatch-manager
   Thread 2:
  0   libsystem_kernel.dylib          0x39df65d0 kevent64 + 24
  1   libdispatch.dylib               0x39d31d22 _dispatch_mgr_invoke + 806
  2   libdispatch.dylib               0x39d2d374 _dispatch_mgr_thread + 32
  
  Thread 3 name:  WebThread
   Thread 3:
    0   libsystem_kernel.dylib            0x39df5e30 mach_msg_trap + 20
    1   libsystem_kernel.dylib            0x39df5fd0 mach_msg + 48
    2   CoreFoundation                    0x31bec2b6 __CFRunLoopServiceMachPort + 126
    3   CoreFoundation                    0x31beb02c __CFRunLoopRun + 900
    4   CoreFoundation                    0x31b5e238 CFRunLoopRunSpecific + 352
    5   CoreFoundation                    0x31b5e0c4 CFRunLoopRunInMode + 100
    6   WebCore                           0x37b66390 RunWebThread(void*) + 440
    7   libsystem_c.dylib                 0x39d5f0de _pthread_start + 306
    8   libsystem_c.dylib                 0x39d5efa4 thread_start + 4
  
   Thread 4:
   0   libsystem_kernel.dylib         0x39e06d98 __workq_kernreturn + 8
   1   libsystem_c.dylib              0x39d54ad6 _pthread_workq_return + 14
   2   libsystem_c.dylib              0x39d547f2 _pthread_wqthread + 362
   3   libsystem_c.dylib              0x39d54680 start_wqthread + 4
  
   Thread 5 name:  com.apple.NSURLConnectionLoader
   Thread 5:
    0   libsystem_kernel.dylib            0x39df5e30 mach_msg_trap + 20
    1   libsystem_kernel.dylib            0x39df5fd0 mach_msg + 48
    2   CoreFoundation                    0x31bec2b6 __CFRunLoopServiceMachPort + 126
    3   CoreFoundation                    0x31beb02c __CFRunLoopRun + 900
    4   CoreFoundation                    0x31b5e238 CFRunLoopRunSpecific + 352
    5   CoreFoundation                    0x31b5e0c4 CFRunLoopRunInMode + 100
    6   Foundation                        0x324ab888 +[NSURLConnection(Loader) _    resourceLoadLoop:] + 304
    7   Foundation                        0x3252f22c __NSThread__main__ + 968
    8   libsystem_c.dylib                 0x39d5f0de _pthread_start + 306
    9   libsystem_c.dylib                 0x39d5efa4 thread_start + 4
  
   Thread 6:
   0   libsystem_kernel.dylib         0x39e06d98 __workq_kernreturn + 8
   1   libsystem_c.dylib              0x39d54ad6 _pthread_workq_return + 14
   2   libsystem_c.dylib              0x39d547f2 _pthread_wqthread + 362
   3   libsystem_c.dylib              0x39d54680 start_wqthread + 4
  
  Thread 7:
   0   libsystem_kernel.dylib         0x39e06d98 __workq_kernreturn + 8
   1   libsystem_c.dylib              0x39d54ad6 _pthread_workq_return + 14
   2   libsystem_c.dylib              0x39d547f2 _pthread_wqthread + 362
   3   libsystem_c.dylib              0x39d54680 start_wqthread + 4
  
  Thread 8 name:  com.apple.CFSocket.private
  Thread 8:
  0   libsystem_kernel.dylib          0x39e06594 __select + 20
  1   CoreFoundation                  0x31bf0474 __CFSocketManager + 676
  2   libsystem_c.dylib               0x39d5f0de _pthread_start + 306
  3   libsystem_c.dylib               0x39d5efa4 thread_start + 4
  
  Thread 0 crashed with ARM Thread State (32-bit):
  r0: 0x00000000    r1: 0x00000000      r2: 0x00000000      r3: 0x3b8c8524
  r4: 0x00000006    r5: 0x3b8c8b78      r6: 0x1ed7ea14      r7: 0x2fd32a04
  r8: 0x1ed7e9f0    r9: 0x00000888     r10: 0xffffffff     r11: 0x00000004
  ip: 0x00000148    sp: 0x2fd329f8      lr: 0x39d7cfb7      pc: 0x39e06350
   cpsr: 0x00000010
  </code></pre>