Re: [aspectj-users] Dynamically modifying Java class structure

[Kevin F <aj@xxxxxxxxxxxxxxxxxxxxxxx>]

Yeah, what they said ;-)

IIRC, the only ClassLoader that is special is the System ClassLoader  
which cannot be unloaded without terminating the JVM; otherwise,  
ClassLoaders are just Objects like everything else.


On Oct 23, 2007, at 8:45 AM, Walla, Marcus wrote:

> In the Java Language Specification you will find in section 12 what  
> you are asking for. So, classes or interfaces are unloaded by  
> setting, as Eric said, the class loader to null. Look here for more  
> information: http://java.sun.com/docs/books/jls/second_edition/html/ 
> execution.doc.html#74294
>
> Regards
> Marcus Walla
>
>
> > -----Original Message-----
> > From: aspectj-users-bounces@xxxxxxxxxxx
> > [mailto:aspectj-users-bounces@xxxxxxxxxxx] On Behalf Of Eric Bodden
> > Sent: Tuesday, 23 October, 2007 14:30
> > To: aspectj-users@xxxxxxxxxxx
> > Subject: Re: [aspectj-users] Dynamically modifying Java class  
> > structure
> >
> >
> > I am probably not the most competent person but I am quite
> > sure that it's not more than:
> >
> > myClassLoader = null;
> >
> > A class loader and all its loaded classes can be GC'ed if the
> > class loader can be GC'ed, IIRC.
> >
> > Eric
> >
> > On 23/10/2007, Hendrik Gani <s2116865@xxxxxxxxxxxxxxxxxxx> wrote:
> > > Kevin F wrote:
> > > > Cool.. I didn't realize the Sun JVM allowed that much flexibility
> > > > nowadays.  I only knew you could unload an entire
> > ClassLoader which
> > > > would unload all the classes that ClassLoader had loaded.
> > > If you don't mind me asking (since it's a bit off topic), how do you
> > > unload a ClassLoader? Does it just involve some API calls or does it
> > > involve jvm-specific features?
> > >
> > > Thanks,
> > >
> > > Hendrik
> > >
> > >
> > >
> > > > On Oct 18, 2007, at 11:07 AM, Dean Wampler wrote:
> > > >
> > > > > On Oct 17, 2007, at 8:48 AM, Hendrik Gani wrote:
> > > > >
> > > > > > > ...
> > > > > > Hi guys,
> > > > > >
> > > > > > In my case, my program doesn't need to be able to swap
> > the loaded
> > > > > > class at runtime, but just out of curiosity, is it
> > really possible
> > > > > > to unload a class in Java as mentioned by Kevin?
> > > > >
> > > > > Apparently it is:
> > http://www.zeroturnaround.com/javarebel/features/
> > > > > > Thanks,
> > > > > >
> > > > > > Hendrik
> > > > >
> > > > > _______________________________________________
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> > > >
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> >
> >
> > --
> > Eric Bodden
> > Sable Research Group
> > McGill University, Montréal, Canada
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