Hey,
please always post jboss version, OS, DB
Anyway you're using jboss 2.0 and that exception should be related to the
fact that there is some problem in activating your beans.
If you're using CMP, then this is very strange (unless you throw an
exception in ejbActivate ;).
If BMP, check that no unexpected exceptions (NPE and the like) are thrown
from ejbActivate.
Would be helpful if you could post client code and ejb code
Simon
> -----Original Message-----
> From: Sietze Dijkstra [mailto:[EMAIL PROTECTED]]
> Sent: giovedì 1 febbraio 2001 16:23
> To: [EMAIL PROTECTED]
> Subject: [jBoss-User] Weird stuff with finder results
>
>
> Hello, All
>
> I would like to post the following question to the community:
>
> I am writing some custom finder methods for CMP Entity Beans
> (which have
> been tested). Some return single objects, others return
> Collections. The
> finders returning single objects function perfectly.
>
> The problem is, when I try to access the Collections (by
> wrapping a Vector
> around them) I can see each remote object, it returns the
> correct number of
> objects and I can succesfully cast them to the remote
> interface I'm looking
> for.
>
> However, when I try to subsequently access the bean via this
> interface, it
> goes wrong, dumping the following stack trace (in the output pane):
>
> [Player] TRANSACTION ROLLBACK EXCEPTION:null; nested exception is:
> java.rmi.NoSuchObjectException
> [Player] java.rmi.NoSuchObjectException
> [Player] at
> org.jboss.ejb.plugins.EnterpriseInstanceCache.get(EnterpriseIn
> stanceCache.ja
> va:95)
> [Player] at
> org.jboss.ejb.plugins.EntityInstanceCache.get(EntityInstanceCa
> che.java:56)
> [Player] at
> org.jboss.ejb.plugins.EntityInstanceInterceptor.invoke(EntityI
> nstanceInterce
> ptor.java:136)
> [Player] at
> org.jboss.ejb.plugins.TxInterceptorCMT.invokeNext(TxIntercepto
> rCMT.java:133)
> [Player] at
> org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxI
> nterceptorCMT.
> java:263)
> [Player] at
> org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT
> .java:99)
> [Player] at
> org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInter
> ceptor.java:14
> 4)
> [Player] at
> org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:192)
> [Player] at
> org.jboss.ejb.EntityContainer.invoke(EntityContainer.java:323)
> [Player] at
> org.jboss.ejb.plugins.jrmp.server.JRMPContainerInvoker.invoke(
> JRMPContainerI
> nvoker.java:163)
> [Player] at java.lang.reflect.Method.invoke(Native Method)
> [Player] at
> sun.rmi.server.UnicastServerRef.dispatch(Unknown Source)
> [Player] at sun.rmi.transport.Transport$1.run(Unknown Source)
> [Player] at java.security.AccessController.doPrivileged(Native
> Method)
> [Player] at
> sun.rmi.transport.Transport.serviceCall(Unknown Source)
> [Player] at
> sun.rmi.transport.tcp.TCPTransport.handleMessages(Unknown
> Source)
> [Player] at
> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(Unkno
> wn Source)
> [Player] at java.lang.Thread.run(Unknown Source)
>
> Having read through Java2's documentation, I assume that the
> Container has
> found the correct records in the underlying database, translated the
> resulting ResultSet into a Collection (ArrayList?) and then
> either forgot to
> instantiate the EJBs or passivated them.
>
> Has anyone seen this before and -better yet =)- knows a solution?
>
> Thanks in advance,
>
> Sietze Dijkstra
> Centaur Media Technology
>
>
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