[JBoss-user] [Beginners Corner] - DownHandler (UDP) exception is java.lang.OutOfMemoryError

[inksystems]

Hello Folks!

We have a strange error appeared in the log files after few days JBoss server was 
running under relatively moderate load.
Server is on SUN platform (not sure about h/w details) running Solaris 8. JDK Sun 
1.4.2_05. Application is the set of stateless session EJB's.

The error we have:

2004-09-02 12:25:33,441 WARN  [org.jgroups.stack.DownHandler] DownHandler (UDP) 
exception is java.lang.OutOfMemoryError
2004-09-02 12:25:33,442 INFO  [STDOUT] java.lang.OutOfMemoryError

Apparently calls are coming through with no problem but the errors appear in the log 
every 10-15 seconds. 
Can anybody help us to find out what is causing this sort of problem?

Best regards,
Igor.

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[JBoss-user] [EJB/JBoss] - EJB calls across different JBoss instances

[inksystems]

Good morning Lads!

Is there any way to implemet the following scenario:

1. There are two instances of JBoss running one 3.2.x(JBoss1) another is 2.4.x (JBoss2)
2. JBoss2 hosts EJB application with the number of session beans.
3. JBoss1 hosts another session EJB that needs to invoke JBoss2 EJB methods.

Deploying JBoss2 client interfaces directly to the JBoss1 does not work. JBoss1 throws 
javax.naming.CommunicationException 
[Root exception is java.io.InvalidClassException: 
org.jboss.proxy.ejb.GenericEJBInterceptor; local class incompatible: stream classdesc 
serialVersionUID = 4582256576523491346, local class serialVersionUID = 
3844706474734439975]

Is there any workaround for this sort of problem? Any help in solving that is greatly 
appreciated.

Best regards,
Igor.

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