unloading the native library from applet.

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sarath - 22 Jul 2005 11:23 GMT

hi everyone..

I am using a signed applet, that is using the native libraries. The
problem is, i am able to access the libraries for the first time. When
i am trying to run the same applet again, it gives an error that the
.dll files i am using is locked by another program. however, if i open
another browser window, it works fine.
is it because my applet is not releasing the hold on the .dll files ?
if so, can anyone give an example of unloading the library in an
applet ?

any help would be appreciated.

Thanks in advance

~sarath~

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Stefan Schulz - 22 Jul 2005 11:53 GMT

> I am using a signed applet, that is using the native libraries. The
> problem is, i am able to access the libraries for the first time. When
> i am trying to run the same applet again, it gives an error that the
> .dll files i am using is locked by another program.

I think the issue might be that you try to load the same library twice.
The JVM of an applet persists even when the applet has stopped running.

> however, if i open
> another browser window, it works fine.

This is likely because the new browser window creates a new instance of
the JVM, which can then load the native library again

> is it because my applet is not releasing the hold on the .dll files ?
> if so, can anyone give an example of unloading the library in an
> applet ?

I guess you really can't. I am not sure if class data persists between
different applets, but if so, you might set some static flag if you
already loaded it.

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unloading the native library from applet.

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