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昨天下班时候一朋友碰到一个下面的崩溃,但是全局断点却无法断到指定位置。鉴于不信邪的态度,决定尝试一番。然后将此事记录如下文。

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*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSCFConstantString hasPrefix:]: nil argument'
*** First throw call stack:
(0x18521ed8c .....)
libc++abi.dylib: terminating with uncaught exception of type NSException
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