Does your object being returned implement the Serializable interface ?
Anish
-----Original Message-----
From: Maxime Poulin [mailto:[EMAIL PROTECTED]]
Sent: Monday, June 04, 2001 11:34 AM
To: [EMAIL PROTECTED]
Subject: Unmarshalling exception...
Hi all !
I have a problem I've been trying to solve for some time now. I really
really really need help on this !!!
Have a bean (stateless session) which I call from a servlet (well, a
dependent class of my servlet). I can ping the bean (it has the ping()
method which return "pong") and it answers properly. But if I need my bean
to return a dependent object, then I get an unmarshall exception.
Note that I give "container & vendor" specific information but I do not want
a solution for this vendor or container, it is the principle I do not seem
to understand...
So here are the details of my implementation. I wil try to give as much
details as possible.
1 - My stateless session bean is called SMbs bean, with according home and
remote interfaces.
2 - The bean container is Inprise AppServer 4.1.1
3 - The servlet engine is Jakarta Tomkat 4.0 (Catalina).
4 - All the classes used by the servlet are in
jakarta\...\web-app\web-inf\lib
5 - The bean used dependent classes that are in the package zbapi. These
classes, in turn, use classes in the package zbprot. The zbprot package is
in the lib directory of my ejbcontainer. The zbapi package is not in my
container since the needed classes should be deployed with the bean.
6 - The client bean is in the jakarte\...\web-app\web-inf\lib directory.
So :
The SMbs bean returns a MetaDataImpl which is in the ZBApi package. If I
call the ping() method of my bean, it returns the string "pong" properly.
But if I call getMetaData() which should return a MetaDataImpl instance
(implementing MetaData),
I get the error :
java.rmi.MarshalException: CORBA MARSHAL 0[Error unmarshaling value [Could
not g
et class for repository id =
RMI:com.zerobase.api.scenarios.data.MbsMetaDataImpl
:71DA8BE7F971128]]
[...]
So what am I doing wrong ?
I found a way to make this work :
If I put the ZBAPI package AND the DEPLOYED jar in my jakarta\lib dir (which
is not the same as web-app...), then I can do whatever I want with the bean.
However, this is not a clean solution. I think that all my jar files should
be in the web-app\... directory, not in the webserver's main lib
directory...
I really need help on this, I know it has been adressed some time ago but
the answer didn't help me...
Maxime Poulin.
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