Hi (Philippe),
thanks for reacting so promptly to my bug report. Unfortunately, I'm not
able yet to test jonas 2.2.7 because I am behind a firewall, so I have no
access to cvs. I'm just waiting for the binary release.
But there is another problem: You said about jonas 2.2.7:
"
Fix a minor bug when using jonas and Jeremie about
session bean remove: Sometimes, you used to get the error message
"ExportException: object already exported"
(bug reported by Torsten Blumreiter)
"
I found this error only when using RMI. Is this fixed, too?
With jeremie, though, I get a different error. I reported this one already
to the mailing list but I think you weren't able to reproduce it. I have now
modified the client of the session bean example shipped with jonas and I can
reproduce it with the jonas example session bean.
The modification is as follows:
package sb;
import javax.naming.InitialContext;
import javax.naming.Context;
import javax.transaction.UserTransaction;
import javax.rmi.PortableRemoteObject;
/**
* Sample for Session Bean.
* Usage:
* java sb.ClientOp
*/
// Here, the modification starts...
// you just have to extend Thread and run it a couple of times to simulate
several concurrent clients
public class ClientOp extends Thread {
public static void main(String args[]) {
for (int i=1;i<10;i++)
new ClientOp().start();
}
public void run () {
Context initialContext = null;
try {
...
// ... and here it ends
The rest ist the same. If I run the Client program at least twice, the
second time (or maybe you have to try it a couple more times) I get the
following output:
C:\Programme\JONAS-2-2-6\examples\src\sb>java sb.ClientOp
Create a bean
Create a bean
Create a bean
Create a bean
Create a bean
Create a bean
Create a bean
Start a first transaction
First request on the new bean
Start a first transaction
Start a first transaction
Start a first transaction
Start a first transaction
Create a bean
Start a first transaction
Start a first transaction
First request on the new bean
First request on the new bean
First request on the new bean
First request on the new bean
First request on the new bean
Start a first transaction
First request on the new bean
First request on the new bean
Second request on the bean
Second request on the bean
Second request on the bean
Second request on the bean
Commit the transaction
Commit the transaction
Second request on the bean
Second request on the bean
Second request on the bean
Commit the transaction
Commit the transaction
Start a second transaction
Commit the transaction
exception during 1st Tx: java.rmi.MarshalException: error during
marshalling/unm
arshalling by stub; nested exception is:
org.omg.CORBA.OBJECT_NOT_EXIST: minor code: 0 completed: No
The first time after starting jonas, the error does not occur.
By the way, the error does not occur if you uncomment the remove() call. I
would be interested if you can reproduce it both on windows nt and unix. If
so, are there any explanations?
Thanks and regards
Torsten
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