Disable JVM from handling hard errors

[David Holmes]

On 25/08/2011 7:56 PM, Huang, Baiyan wrote:
> Suppose I have a simple JNI program in Windows:
>
> int* p = NULL;
>
> *p = 5;
>
> When run it from JVM, not like normal C++ application, JVM will nicely catch
> such hard exception and do some cleanup work.
>
> The problem here is it also stops me from generating crash dumps right
> there, although there is a JVM option: -XX:OnError, but core dumps generated
> at this point is far from the crime scene thus hard to debug.
>
> Do you have any suggestions?

I think you'd need to install your own fatal exception handler whilst in the 
JNI code, and restore the JVM handler when leaving. I'm not sure of the 
details on Windows in terms of API.

But the JVM fatal error handling can create a crash dump - use 
-XX:CreateMinidumpOnCrash

David

> Thanks.
>
> -Baiyan
>
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