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From "Nathan Mittler" <nathan.mitt...@gmail.com>
Subject Re: classpath for MDBs
Date Thu, 27 Jul 2006 23:54:17 GMT
Thanks for the help, John ... that does appear to be my problem.  I guess
I'll wait for 1.1.1.  Is there an ETA?

On 7/27/06, John Sisson <jsisson.apache@internode.on.net> wrote:
>
> Reposting response without all those extra slashes..
>
> John
>
> John Sisson wrote:
> > Nathan Mittler wrote:
> >> Hi,
> >> I'm fairly new to EJB and am trying understand the way classpaths work
> >> in Geronimo with respect to MDBs.  I have a pretty simple app - just
> >> one MDB that consumes from JMS and writes to the database.  It
> >> requires a few jars (hibernate, spring, etc) and I bundle those
> >> dependencies along with the MDB into an ear (using Maven) and then
> >> deploy the whole app to Geronimo 1.1.
> >>
> >> However, when the MDB receives JMS messages from AMQ, it doesn't seem
> >> to be able to find any of the other classes in the EAR.  I'm guessing
> >> this is due to it being in the classloader of the AMQ connector,
> >> rather than the ear upon invocation.  I was able to fix this by
> >> manually adding all of the dependencies to Geronimo's repository and
> >> then listing those dependencies in the openejb-jar.xml.  This seems to
> >> do the trick.
> >>
> >> My questions are:
> >> 1) Is there a better way to deploy a module along with all its
> >> dependencies to Geronimo - rather than wrapping them up in an ear?  A
> >> tool perhaps?
> >> 2) Is there a more appropriate (and simpler) solution to the
> >> classloader "problem" with MDBs? ( ... assuming I have diagnosed the
> >> problem correctly)
>
> It could be that you are hitting a bug that should be fixed in the
> upcoming 1.1.1 release (
> http://issues.apache.org/jira/browse/GERONIMO-2125 ).  Also check you
> are setting the "Class-Path:" entry in the META-INF/MANIFEST.MF
> file in the JAR containing the MDB to point to the libraries (e.g.
> hibernate) in the EAR (not that this will help you without the fix).
>
> Also see the following mail threads related to the issue:
>
> http://www.mail-archive.com/user@geronimo.apache.org/msg03407.html
> http://www.mail-archive.com/dev@geronimo.apache.org/msg26669.html
>
> John
> >
> > Regards,
> >
> > John
> >>
> >> Thanks,
> >> Nathan Mittler
> >
> >
>

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