Why do I receive "First Chance Exceptions" in the Microsoft Visual Studio debugger when I run my application which uses a MATLAB Compiler generated library?

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MathWorks Support Team 2011-11-10

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https://ww2.mathworks.cn/matlabcentral/answers/102511-why-do-i-receive-first-chance-exceptions-in-the-microsoft-visual-studio-debugger-when-i-run-my-app

编辑： MathWorks Support Team 2020-2-19

I am using the Microsoft Visual Studio debugger. I am building an application which uses a MATLAB Compiler generated library. When I run my application from the debugger, the message region fills with up to several hundred messages of the form:

First chance exception in ....

The application runs to completion correctly despite the messages however.

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Answer 1

MathWorks Support Team 2020-2-19

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编辑：MathWorks Support Team 2020-2-19

This is the expected behavior. The Microsoft Visual Studio debugger displays information about first-chance exceptions, which do not necessarily indicate an error. For applications / components which handle exceptions gracefully, first chance exception messages let the developer know that an exceptional situation was encountered and was handled.

For more information about first-chance exceptions, refer to the Microsoft Visual Studio debugger documentation, and the Microsoft information at the following links:

1) https://docs.microsoft.com/en-us/archive/blogs/davidklinems/what-is-a-first-chance-exception

2) https://docs.microsoft.com/en-us/archive/blogs/davidklinems/how-to-stop-on-first-chance-exceptions-visual-studio-net-2003

3) https://msdn.microsoft.com/en-us/library/windows/desktop/ms679330(v=vs.85).aspx