Oh, that makes perfect sense. Thanks Chuck.

Regards,
Kevin



2008/10/25 Caldarale, Charles R <[EMAIL PROTECTED]>

> > From: Kevin SeongHyun Lee [mailto:[EMAIL PROTECTED]
> > Subject: Re: How can I use a class in javax package from the
> > jar file in WEB-INF/lib instead of the one in common/lib.
> >
> > Even if it is loaded first, I believe, it should work
> > as both libraries are the same javamail
>
> What frequently happens is that some classes get loaded from both jars, but
> since they're under different classloaders, the JVM treats them as different
> classes.  When code in one class tries to utilize instances created from the
> other classloader, it can't, since the "instance of" operation fails.
>
> > Does anyone know how to solve this without removing any files?
>
> I don't.
>
>  - Chuck
>
>
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