本文介绍了executeFetchRequest：错误：冻结应用程序的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我不知道它是什么，但它发生时，当提取元素，这就是我所以，因为应用程序只是冻结，我暂停调试和调试器停止在 return [__context executeFetchRequest ：
I don't know what it is but it happens when is fetching elements, well that's what I asume because the app just freezes, I pause the debugging and the debugger stops at a return [__context executeFetchRequest:request error:&error]; Any help about this will be very appreciated.
推荐答案
检查此，基本上您需要锁定您的persistentStoreCordinator，因为只读调用aren' t线程安全。 Apple文档在此提供。干杯我的朋友！
Check this post basically you'll need to lock your persistentStoreCordinator because read only calls aren't thread safe. Apple documentation mention this here. Cheers my friend!
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