我从应用商店下载iOS应用程序时遇到问题。这个问题只发生在iOS 7上，而且只有当我尝试从de App Store下载时才会出现。
我已经测试了同样的应用程序AdHoc和正在开发中，它运行得很好。
设备日志上的错误消息为：
Terminating app due to uncaught exception
'NSInvalidArgumentException', reason: 'data parameter is nil'
与上一版本相比，我在应用程序上做的唯一更改是添加了对谷歌云消息的支持。但在其他iOS版本上一切都很好。
完整日志如下：
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Triggered by Thread: 2
Last Exception Backtrace:
0 CoreFoundation 0x305c0f7e __exceptionPreprocess + 126
1 libobjc.A.dylib 0x3ad71cca objc_exception_throw + 34
2 CoreFoundation 0x305c0ec0 +[NSException raise:format:] + 100
3 Foundation 0x30f03db6 +[NSPropertyListSerialization propertyListWithData:options:format:error:] + 70
4 My App 0x00113116 +[GMRIdentity iTunesMetadata] + 374
5 My App 0x00112850 -[GMRIdentity initWithPersistedConfig:configuration:] + 648
6 My App 0x0011416e -[GMRMeasurement startMeasurementWithDatabaseName:configuration:] + 202
7 My App 0x0011a342 __38-[GMRScheduler scheduleOnWorkerQueue:]_block_invoke + 86
8 libdispatch.dylib 0x3b25982e _dispatch_call_block_and_release + 6
9 libdispatch.dylib 0x3b259de8 _dispatch_queue_drain$VARIANT$up + 440
10 libdispatch.dylib 0x3b25a292 _dispatch_queue_invoke$VARIANT$up + 34
11 libdispatch.dylib 0x3b26c888 _dispatch_root_queue_drain + 72
12 libdispatch.dylib 0x3b26cb1c _dispatch_worker_thread2 + 52
13 libsystem_pthread.dylib 0x3b39bbce _pthread_wqthread + 294
14 libsystem_pthread.dylib 0x3b39ba94 start_wqthread + 4
Thread 0:
0 libsystem_kernel.dylib 0x3b321a58 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x3b321854 mach_msg + 44
2 CoreFoundation 0x3058b846 __CFRunLoopServiceMachPort + 150
3 CoreFoundation 0x30589fb2 __CFRunLoopRun + 850
4 CoreFoundation 0x304f4eba CFRunLoopRunSpecific + 518
5 CoreFoundation 0x304f4c9e CFRunLoopRunInMode + 102
6 GraphicsServices 0x353fa65e GSEventRunModal + 134
7 UIKit 0x32e41148 UIApplicationMain + 1132
8 My App 0x000f390e main (main.m:32)
9 libdyld.dylib 0x3b27eab4 start + 0
Thread 1:
0 libsystem_kernel.dylib 0x3b321808 kevent64 + 24
1 libdispatch.dylib 0x3b26dde8 _dispatch_mgr_invoke + 228
2 libdispatch.dylib 0x3b25cf6e _dispatch_mgr_thread$VARIANT$up + 34
Thread 2 Crashed:
0 libsystem_kernel.dylib 0x3b3341f0 __pthread_kill + 8
1 libsystem_pthread.dylib 0x3b39e792 pthread_kill + 54
2 libsystem_c.dylib 0x3b2e4fd8 abort + 72
3 libc++abi.dylib 0x3a613cd2 abort_message + 70
4 libc++abi.dylib 0x3a62c6e0 default_terminate_handler() + 248
5 libobjc.A.dylib 0x3ad71f62 _objc_terminate() + 190
6 libc++abi.dylib 0x3a62a1c4 std::__terminate(void (*)()) + 76
7 libc++abi.dylib 0x3a629a18 __cxa_throw + 112
8 libobjc.A.dylib 0x3ad71d9e objc_exception_throw + 246
9 My App 0x0011a3fe __38-[GMRScheduler scheduleOnWorkerQueue:]_block_invoke + 274
10 libdispatch.dylib 0x3b259830 _dispatch_call_block_and_release + 8
11 libdispatch.dylib 0x3b259de8 _dispatch_queue_drain$VARIANT$up + 440
12 libdispatch.dylib 0x3b25a292 _dispatch_queue_invoke$VARIANT$up + 34
13 libdispatch.dylib 0x3b26c88a _dispatch_root_queue_drain + 74
14 libdispatch.dylib 0x3b26cb1c _dispatch_worker_thread2 + 52
15 libsystem_pthread.dylib 0x3b39bbd0 _pthread_wqthread + 296
16 libsystem_pthread.dylib 0x3b39ba94 start_wqthread + 4
Thread 3 name: com.apple.NSURLConnectionLoader
Thread 3:
0 libsystem_kernel.dylib 0x3b321a58 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x3b321854 mach_msg + 44
2 CoreFoundation 0x3058b846 __CFRunLoopServiceMachPort + 150
3 CoreFoundation 0x30589f6c __CFRunLoopRun + 780
4 CoreFoundation 0x304f4eba CFRunLoopRunSpecific + 518
5 CoreFoundation 0x304f4c9e CFRunLoopRunInMode + 102
6 Foundation 0x30f35082 +[NSURLConnection(Loader) _resourceLoadLoop:] + 314
7 Foundation 0x30faaa5a __NSThread__main__ + 1058
8 libsystem_pthread.dylib 0x3b39d916 _pthread_body + 138
9 libsystem_pthread.dylib 0x3b39d886 _pthread_start + 98
10 libsystem_pthread.dylib 0x3b39baa0 thread_start + 4
Thread 4:
0 libsystem_kernel.dylib 0x3b334c70 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x3b39bbda _pthread_wqthread + 306
2 libsystem_pthread.dylib 0x3b39ba94 start_wqthread + 4
Thread 5 name: WebThread
Thread 5:
0 libsystem_kernel.dylib 0x3b321a58 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x3b321854 mach_msg + 44
2 CoreFoundation 0x3058b846 __CFRunLoopServiceMachPort + 150
3 CoreFoundation 0x30589f6c __CFRunLoopRun + 780
4 CoreFoundation 0x304f4eba CFRunLoopRunSpecific + 518
5 CoreFoundation 0x304f4c9e CFRunLoopRunInMode + 102
6 WebCore 0x3878c1a6 RunWebThread(void*) + 414
7 libsystem_pthread.dylib 0x3b39d916 _pthread_body + 138
8 libsystem_pthread.dylib 0x3b39d886 _pthread_start + 98
9 libsystem_pthread.dylib 0x3b39baa0 thread_start + 4
Thread 6 name: JavaScriptCore::BlockFree
Thread 6:
0 libsystem_kernel.dylib 0x3b333f2c __psynch_cvwait + 24
1 libsystem_pthread.dylib 0x3b39cf22 _pthread_cond_wait + 518
2 libsystem_pthread.dylib 0x3b39dda0 pthread_cond_timedwait + 40
3 JavaScriptCore 0x31522de8 WTF::ThreadCondition::timedWait(WTF::Mutex&, double) + 104
4 JavaScriptCore 0x31522c18 JSC::BlockAllocator::blockFreeingThreadMain() + 88
5 JavaScriptCore 0x315202e0 WTF::wtfThreadEntryPoint(void*) + 12
6 libsystem_pthread.dylib 0x3b39d916 _pthread_body + 138
7 libsystem_pthread.dylib 0x3b39d886 _pthread_start + 98
8 libsystem_pthread.dylib 0x3b39baa0 thread_start + 4
Thread 7:
0 libsystem_kernel.dylib 0x3b334c70 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x3b39bbda _pthread_wqthread + 306
2 libsystem_pthread.dylib 0x3b39ba94 start_wqthread + 4
Thread 8 name: WebCore: CFNetwork Loader
Thread 8:
0 libsystem_kernel.dylib 0x3b321a58 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x3b321854 mach_msg + 44
2 CoreFoundation 0x3058b846 __CFRunLoopServiceMachPort + 150
3 CoreFoundation 0x30589f6c __CFRunLoopRun + 780
4 CoreFoundation 0x304f4eba CFRunLoopRunSpecific + 518
5 CoreFoundation 0x304f4c9e CFRunLoopRunInMode + 102
6 WebCore 0x387d4bb2 WebCore::runLoaderThread(void*) + 250
7 JavaScriptCore 0x315202e0 WTF::wtfThreadEntryPoint(void*) + 12
8 libsystem_pthread.dylib 0x3b39d916 _pthread_body + 138
9 libsystem_pthread.dylib 0x3b39d886 _pthread_start + 98
10 libsystem_pthread.dylib 0x3b39baa0 thread_start + 4
Thread 9 name: com.apple.CFSocket.private
Thread 9:
0 libsystem_kernel.dylib 0x3b334434 __select + 20
1 CoreFoundation 0x3058f708 __CFSocketManager + 480
2 libsystem_pthread.dylib 0x3b39d916 _pthread_body + 138
3 libsystem_pthread.dylib 0x3b39d886 _pthread_start + 98
4 libsystem_pthread.dylib 0x3b39baa0 thread_start + 4
Thread 10:
0 libsystem_kernel.dylib 0x3b334c70 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x3b39bbda _pthread_wqthread + 306
2 libsystem_pthread.dylib 0x3b39ba94 start_wqthread + 4
Thread 11:
0 libsystem_kernel.dylib 0x3b334c70 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x3b39bbda _pthread_wqthread + 306
2 libsystem_pthread.dylib 0x3b39ba94 start_wqthread + 4
Thread 12:
0 libsystem_kernel.dylib 0x3b334c70 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x3b39bbda _pthread_wqthread + 306
2 libsystem_pthread.dylib 0x3b39ba94 start_wqthread + 4
Thread 13:
0 libsystem_kernel.dylib 0x3b334c70 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x3b39bbda _pthread_wqthread + 306
2 libsystem_pthread.dylib 0x3b39ba94 start_wqthread + 4
Thread 14 name: WebCore: LocalStorage
Thread 14:
0 libsystem_kernel.dylib 0x3b333f2c __psynch_cvwait + 24
1 libsystem_pthread.dylib 0x3b39cf22 _pthread_cond_wait + 518
2 libsystem_pthread.dylib 0x3b39dd60 pthread_cond_wait + 36
3 JavaScriptCore 0x31522dba WTF::ThreadCondition::timedWait(WTF::Mutex&, double) + 58
4 WebCore 0x388bf0a4 WTF::PassOwnPtr<WTF::Function<void ()> > WTF::MessageQueue<WTF::Function<void ()> >::waitForMessageFilteredWithTimeout<bool (WTF::Function<void ()>*)>(WTF::MessageQueueWaitResult&, bool (&)(WTF::Function<void ()>*), double) + 104
5 WebCore 0x388bf02a WebCore::StorageThread::threadEntryPoint() + 162
6 JavaScriptCore 0x315202e0 WTF::wtfThreadEntryPoint(void*) + 12
7 libsystem_pthread.dylib 0x3b39d916 _pthread_body + 138
8 libsystem_pthread.dylib 0x3b39d886 _pthread_start + 98
9 libsystem_pthread.dylib 0x3b39baa0 thread_start + 4
拜托，有人能帮我吗？
对此深表歉意！我们刚刚发布了pod的1.2.1版本，其中包含了这个问题的修复程序。只需运行pod update即可获得更新。