Re: [Wrapper-user] jni multi-threaded issues

[Bashiro <ba...@en...>]

I don't get it. Is this a wrapper question or
it's a general java question ?
bashiro



>
> Hello,
>
> First of all it might be worth saying that my application works perfectly
> fine
> without the wrapper. I am using a dll that maintains a state depending on
> various calls (this dll actually automates an office app).
> Trying to make calls in a one threaded application works, the problem
> arises
> when I have multiple threads. One simple test I made is letting one thread
> run
> the init method in my dll, then letting the shutdown hook run the exit.
> When
> making that call the jvm crashes:
>
> #  Internal Error (0xe06d7363), pid=232, tid=2960
> #
> # Java VM: Java HotSpot(TM) Client VM (1.5.0_01-b08 mixed mode, sharing)
> # Problematic frame:
> # C  [kernel32.dll+0xd756]
>
> looking at the stack I can see
>
> Stack: [0x031f0000,0x03230000),  sp=0x0322f8f4,  free space=254k
> Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native
> code)
> C  [kernel32.dll+0xd756]
> C  [MYOWN.dll+0x7a2b]
> ...
> J last java call made
>
> current thread is marked as being in native.
>
> I am clueless about what to do. Any ideas of what causes this problem when
> runnin in the wrapper would be very appreciated!
>
> Kristian
>
>
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