[ajug-members] multiple jar versionsfor one application

[Les Hazlewood]

"If you're ... just using the normal JVM, this isn't possible.  In this
case, the first jar found in the JVM's classpath will be used to satisfy the
dependency and the other identical fully qualified class name will be
ignored."

On Thu, May 1, 2008 at 11:43 AM, Carl Hall <carl.hall at gmail.com> wrote:

> You can't have 2 versions of the same jar in the same classloader because
> they will collide.  First jar loaded by the classloader will be the one that
> is available.  To have 2 versions of the same class, you'll need to change
> the package or class name.
>
>
>
> On 5/1/08, 521 <521 at ofig.org> wrote:
> >
> > i am a java beginner, but from what i've read- it's looked at by name, i
> > would think it would have to be
> >
> > org.chrisabney.functors.WorkerBee-v1
> > vs.
> > org.chrisabney.functors.WorkerBee-v2
> >
> > -or the like/whatever_name(s)...?  not sure...
> >
> > barclay
> >
> > On Thu, 1 May 2008 10:25:21 -0400, Chris Abney wrote
> >
> > > Does any one know of a good way to access multiple versions of the
> > same
> > > Jar file from one application.
> > >
> > > For example:
> > >
> > > public class myClass {
> > > :
> > >   public void doIt() {
> > >      org.chrisabney.functors.WorkerBee daddyBee = new
> > > org.chrisabney.functors.WorkerBee();  //The older version
> > >      org.chrisabney.functors.WorkerBee sonBee   = new
> > > org.chrisabney.functors.WorkerBee();  //The newer version
> > >
> > >      daddyBee.doIt(); //The old boring way
> > >      sonBee.doIt();   //The new wacky way
> > >   }
> > > }
> > >
> > > Chris Abney
> > >
> > > _______________________________________________
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> >
> >
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>
>
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