Value found for In attribute has the wrong type

[marius.oancea]

Anybody else got this error ?

SEVERE: Error Rendering View
java.lang.IllegalArgumentException: value found for In attribute has the wrong type: learn

Exactly the same application is working sometime.

I tried to modify application.xml to make jboss redeploy the application but the same result.

If I fully restart jboss and now is working.

Now If I modify application.xml few times the problem appears again. Any ideea how i can avoid restarting?

[norman.richards]

This is a JBoss bug, which I assume has been fixed since I haven't seen it in a while. I think the basic problem is that the old version of your bean wasn't getting undeployed correctly. When seam instantiates it, it gets the old version which isn't compatible with the new version it is expecting. So, it fails. The only option appears to be restarting JBoss.

What version of JBoss are you using?

[marius.oancea]

I just got the error again. If I try to redeploy the application I see in logs:

19:38:20,543 WARN [ServiceController] Problem starting service jboss.j2ee:service=EJB3,name=ro.rmc.LearnAction
java.lang.ClassCastException: org.jboss.ejb3.stateful.StatefulContainer
at org.jboss.util.naming.Util.createSubcontext(Util.java:54)
at org.jboss.util.naming.Util.createSubcontext(Util.java:37)
at org.jboss.ejb3.SessionContainer.start(SessionContainer.java:50)

[marius.oancea]

I use 4.0.3 version of JBOSS and Seam from CVS

[marius.oancea]

I just tried to add :
private static final long serialVersionUID = 7957902202644365168L;

to my service. Maybe will help. If yes I will let you know

[marius.oancea]

no success with serialVersionUID

[patrick_ibg]

Are you using the jboss build that came packaged with SEAM? I get the ClassCastException with that version... and it isn't the latest production release (production release is 4.0.3SP1

[marius.oancea]

No, I use 4.0.3 (from jboss-4.0.3-installer.jar)

[norman.richards]

SerialVersiodUID isn't relevant here. The values aren't being serialized. This is a straight up class cast exception.

Is anyone having this problem with 4.0.3SP1? If you are, then we need to make sure there is a JIRA issue for EJB3 covering this.

[marius.oancea]

Yes, I'm having the problem with SP1 also

[drujensen]

I am having the same problem using Jboss 4.0.3 via Eclipse IDE plugin launching in debug mode.

Thanks for this post. You saved me tons of time.

[marius.oancea]

What was the solution you found drujensen ?

You found one ? Or only restarting jboss?

[paulie!]

Just in case people still wanted replies, I am seeing the same problem running jboss in debugging mode in eclipse.

I am using JBOSS 4.0.3SP1 (using the ejb3 install) with seam.

I am very glad this post is here, I almost gave up. Now I just restart every time it happens, which is quite often.

[marius.oancea]

I also gave up. I have no ideea why this happens and how can be solved. I tried everythink (including instally 3 different versions of jboss, pathches ... etc)

[gavin.king]

Guys, its just a hot redeployment problem. Restart the server when it happens.