title: Xcode 6 crashes when validating or submitting app archive
body: <p>This worked fine 2 days ago using the exact same archive and provisioning profile (selected from the organizer). Anyone else seeing this? I haven't updated Xcode, so it seems like it might be something on Apple's end causing a failure?</p>
  
  <pre><code>Application Specific Information:
  ProductBuildVersion: 6A313
  ASSERTION FAILURE in /SourceCache/IDEFrameworks/IDEFrameworks-6299/IDEFoundation/Issues/IDEIssueManager.m:457
  Details:  This method must only be called on the main thread
  Object:   &lt;IDEIssueManager&gt;
  Method:   +_issueProviderInfo
  Thread:   &lt;NSThread: 0x7fa1abfa8e60&gt;{name = (null), num = 44}
  Hints:   None
  Backtrace:
    0  0x00000001027adf0a -[IDEAssertionHandler handleFailureInMethod:object:fileName:lineNumber:assertionSignature:messageFormat:arguments:] (in IDEKit)
    1  0x000000010156dbaf _DVTAssertionHandler (in DVTFoundation)
    2  0x000000010156de9e _DVTAssertionFailureHandler (in DVTFoundation)
    3  0x0000000101ea2bce +[IDEIssueManager _issueProviderInfo] (in IDEFoundation)
    4  0x0000000101ea224d -[IDEIssueManager _updateIssueProviders] (in IDEFoundation)
    5  0x000000010157ffbe __73-[DVTObservingBlockToken observeValueForKeyPath:ofObject:change:context:]_block_invoke (in DVTFoundation)
    6  0x00000001014fa6c8 DVTInvokeWithStrongOwnership (in DVTFoundation)
    7  0x00000001013ae124 -[DVTObservingBlockToken observeValueForKeyPath:ofObject:change:context:] (in DVTFoundation)
    8  0x00007fff8aed8f28 NSKeyValueNotifyObserver (in Foundation)
    9  0x00007fff8aed80f8 NSKeyValueDidChange (in Foundation)
   10  0x00007fff8aedcbe6 -[NSObject(NSKeyValueObserverNotification) didChangeValueForKey:] (in Foundation)
   11  0x00007fff8ddf3f6f doSetValuesInSourceWithKVO (in CoreFoundation)
   12  0x00007fff8ddf3e0f _CFXPreferencesReplaceValuesInNamedVolatileSource (in CoreFoundation)
   13  0x00007fff8b07fafc -[NSUserDefaults(NSUserDefaults) setVolatileDomain:forName:] (in Foundation)
   14  0x00000001124ad9e9 -[NSUserDefaults(ITunesConnectFoundationExtensions) REPLACEMENT_setVolatileDomain:forName:] (in ITunesConnectFoundation)
   15  0x00000001124a3fac -[MZJSONServiceClient connectionDidFinishLoading:] (in ITunesConnectFoundation)
   16  0x00007fff8af877fd __65-[NSURLConnectionInternal _withConnectionAndDelegate:onlyActive:]_block_invoke (in Foundation)
   17  0x00007fff8af8772d -[NSURLConnectionInternal _withConnectionAndDelegate:onlyActive:] (in Foundation)
   18  0x00007fff8af8761c -[NSURLConnectionInternal _withActiveConnectionAndDelegate:] (in Foundation)
   19  0x00007fff989e9284 ___ZN27URLConnectionClient_Classic26_delegate_didFinishLoadingEU13block_pointerFvvE_block_invoke (in CFNetwork)
   20  0x00007fff98a9f820 ___ZN27URLConnectionClient_Classic18_withDelegateAsyncEPKcU13block_pointerFvP16_CFURLConnectionPK33CFURLConnectionClientCurrent_VMaxE_block_invoke_2 (in CFNetwork)
   21  0x00007fff989cc2ec ___ZNK17CoreSchedulingSet13_performAsyncEPKcU13block_pointerFvvE_block_invoke (in CFNetwork)
   22  0x00007fff8de04a94 CFArrayApplyFunction (in CoreFoundation)
   23  0x00007fff989cc1cb RunloopBlockContext::perform() (in CFNetwork)
   24  0x00007fff989cc073 MultiplexerSource::perform() (in CFNetwork)
   25  0x00007fff989cbea2 MultiplexerSource::_perform(void*) (in CFNetwork)
   26  0x00007fff8de395b1 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ (in CoreFoundation)
   27  0x00007fff8de2ac62 __CFRunLoopDoSources0 (in CoreFoundation)
   28  0x00007fff8de2a3ef __CFRunLoopRun (in CoreFoundation)
   29  0x00007fff8de29e75 CFRunLoopRunSpecific (in CoreFoundation)
   30  0x00007fff8af38adc -[NSRunLoop(NSRunLoop) runMode:beforeDate:] (in Foundation)
   31  0x00007fff8af8110b -[NSRunLoop(NSRunLoop) runUntilDate:] (in Foundation)
   32  0x00000001124a3468 -[MZJSONServiceClient getResultDictionary] (in ITunesConnectFoundation)
   33  0x00000001124a55da -[MZLabelServiceClient invokeSOAPCall] (in ITunesConnectFoundation)
   34  0x00000001124aa904 -[MZWebServiceOperationWorker execute] (in ITunesConnectFoundation)
   35  0x00000001124aac02 -[MZWebServiceWorker run] (in ITunesConnectFoundation)
   36  0x000000011248336c -[MZWorkItem main] (in ITunesConnectFoundation)
   37  0x00007fff8aed78a1 -[__NSOperationInternal _start:] (in Foundation)
   38  0x00007fff8aed754b __NSOQSchedule_f (in Foundation)
   39  0x00007fff96f8528d _dispatch_client_callout (in libdispatch.dylib)
   40  0x00007fff96f897e3 _dispatch_async_redirect_invoke (in libdispatch.dylib)
   41  0x00007fff96f8528d _dispatch_client_callout (in libdispatch.dylib)
   42  0x00007fff96f87082 _dispatch_root_queue_drain (in libdispatch.dylib)
   43  0x00007fff96f88177 _dispatch_worker_thread2 (in libdispatch.dylib)
   44  0x00007fff934d0ef8 _pthread_wqthread (in libsystem_pthread.dylib)
   45  0x00007fff934d3fb9 start_wqthread (in libsystem_pthread.dylib)
  </code></pre>