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catch access violation exception

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Jun 07, 2016 pm 03:42 PM

accesscatch

catch access violation exception 遇到一个蛋疼的程序崩溃问题，debug模式下程序直接卡死，minidump可以定位到出错的代码，但捕捉到的数据太少，无法确定什么位置引起的内存访问错误。如果可以捕捉到这个异常设置断点，调试起来会方便很多。由于access viol

catch access violation exception

遇到一个蛋疼的程序崩溃问题，debug模式下程序直接卡死，minidump可以定位到出错的代码，但捕捉到的数据太少，无法确定什么位置引起的内存访问错误。如果可以捕捉到这个异常设置断点，调试起来会方便很多。由于access violation exception是ms定义的异常类型，普通编译方式下try{} catch(...){}无法捕获到此异常。Google了一下，有几种方式可以捕获到ave，最简单的就是修改编译属性:Project Properties -> C/C++ -> Code Generation -> Modify the Enable C++ Exceptions to "Yes With SEH". 这样catch(...){}就可以正确捕获到vae了:) 此法最好只在调试时使用，正常发布的因此应该坚持使用默认编译属性，同时避免catch vae错误.

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