ios – XTubeManager在后台崩溃？

我在XTubeManager中遇到大量崩溃(似乎是CFNetwork内部).不幸的是,控制台日志不可用,只有调用堆栈(见下文).

问题：

>我可以想象我的应用程序在后台崩溃,因此没有
控制台日志是写的,你认为这是可能的吗？
>我是否必须以不同方式处理BACkgroundTask到期,例如通过
取消所有我的NSURLrequests？ (见下面的代码)

背景

我经常在后台(或通过后台推送)醒来并运行这样的后台任务：

NSString *myTaskName = @"some.random.task.name";
__block UIBACkgroundTaskIdentifier taskID = [UIApplication.sharedApplication beginBACkgroundTaskWithName:myTaskName expirationHandler:^{
    [UIApplication.sharedApplication endBACkgroundTask:taskID];
    taskID = UIBACkgroundTaskInvalid;
}];
dispatch_queue_t q = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT,0);
dispatch_async(q,// doing some NSURLrequests stuff here
    [UIApplication.sharedApplication endBACkgroundTask:taskID];
    taskID = UIBACkgroundTaskInvalid;
});

这通常在applicationDidEnterBACkground中调用

调用堆栈

Thread : Crashed: com.apple.NSURLConnectionLoader
0  libobjc.A.dylib                0x183599b90 objc_msgSend + 16
1  CFNetwork                      0x184513300 XTubeManager::withTubeManager(CoreschedulingSet const*,void (GlueTubeManager*) block_pointer) + 96
2  CFNetwork                      0x18451149c -[__NSURLSessionLocal _withConnectionCache_enqueuerequest:forProtocol:scheduling:options:] + 128
3  CFNetwork                      0x1845c3798 httpProtocol::asynchronouslyCreateAndopenStream_Withmessage_AfterCookiesAndAuthenticatorHeaders(__CFhttpmessage*) + 2000
4  CFNetwork                      0x1845c2ef8 httpProtocol::asynchronouslyAddAuthenticatorHeadersAndConTinue(__CFhttpmessage*) + 144
5  CFNetwork                      0x1845c4ba4 ___ZN12httpProtocol35asynchronouslyAddCookiesAndConTinueEP15__CFhttpmessage_block_invoke_2 + 28
6  libdispatch.dylib              0x18396d47c _dispatch_client_callout + 16