BTW, how does the updated J2eeDeployer handle multiple EJB JARs in
an EAR?  Are they all on the same ClassLoader?  Does the WAR see them
all?  Or is this just not allowed?

Aaron

On Thu, 2 Nov 2000, Rickard [iso-8859-1] �berg wrote:
> Hi!
> 
> Daniel Schulze wrote:
> > I was playing around with the J2eeDeployer the last 2 days and I think I
> > ve got it now. Will put it into cvs then.
> 
> First off: EXCELLENT!
> 
> More comments below.
> 
> > To answer your classloader questions:
> > Right now the classloader architecture is build like this:
> > 
> > servlet classloader(s)   ejb classloader(s)
> > 
> >        |                          |
> >        +----------+---------------+
> >                   |
> >             common classloader
> > 
> > the common classloader gets all the libraries that are pointed to by the
> > MANIFEST/Class-Path entrys of all web.war/ejb.jar modules within an
> > app.ear.
> > the servlet classloader is then a child of this common classloader and
> > gets the web.war in his classpath.
> > the ejb classloader is also a child of the common classloader and he
> > gets the ejb.jar in his classpath.
> 
> :-)))
> 
> > In my eyes this was the cleanest solution.
> > To get the tomcat-test.ear (from the contrib/tomcat module) working in
> > vm now it needs to be changed this way:
> > Create an interfaces.jar package (for the ejb package) which contains
> > the remote interfaces and all for communication needed classes
> > (parameter types), add it to the .ear file and make a Class-Path entry
> > in the .war files MANIFEST.MF. - nice and clean
> > 
> > Or just add the .jar package (the whole ejb package) to the
> > MANIFEST/Class-Path of the .war file.
> 
> I would prefer the former. If you read the EJB spec this is what is
> defined as a "client JAR"
> 
> > BTW: the old implementation had a couple of _holes_ and did only work
> > well with our cleanroom .ear file.
> > I also set the J2eeDeployer into the AutoDeployer so that now
> > _everybody_ should be able to deploy something in jBoss ;-)
> 
> Excellent
> 
> > I ll commit this stuff today (first I have to clean up the code a little
> > ;-) and will also put a how-to/docu somewhere...
> 
> Great, excellent, marvellous! Well done Daniel! :-)
> 
> regards,
>   Rickard
> 
> 


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