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From John Sisson <jrsis...@gmail.com>
Subject Re: classpath for MDBs
Date Fri, 28 Jul 2006 00:59:03 GMT
We are aiming to have it out in approximately two weeks (assuming we 
don't encounter any major problems).

Regards,
John

Nathan Mittler wrote:
> 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 
> <mailto: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
>     <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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