javax.naming.CommunicationException

[kaioh83]

Hi everybody, I have written a simple Session Bean and i have some
trouble.
When I try contact it from a standalone client a have this error report:
Can anyone help me ? e-mail [e-mail]

javax.naming.CommunicationException [Root exception is java.io.InvalidClassException: org.jboss.proxy.ejb.GenericEJBInterceptor; local class incompatible: stream classdesc serialVersionUID = 3844706474734439975, local class serialVersionUID = 4582256576523491346]
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:574)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:440)
at javax.naming.InitialContext.lookup(Unknown Source)
at Client.main(Client.java:26)
Caused by: java.io.InvalidClassException: org.jboss.proxy.ejb.GenericEJBInterceptor; local class incompatible: stream classdesc serialVersionUID = 3844706474734439975, local class serialVersionUID = 4582256576523491346
at java.io.ObjectStreamClass.initNonProxy(Unknown Source)
at java.io.ObjectInputStream.readNonProxyDesc(Unknown Source)
at java.io.ObjectInputStream.readClassDesc(Unknown Source)
at java.io.ObjectInputStream.readNonProxyDesc(Unknown Source)
at java.io.ObjectInputStream.readClassDesc(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.readObject(Unknown Source)
at org.jboss.proxy.ClientContainer.readExternal(ClientContainer.java:104)
at java.io.ObjectInputStream.readExternalData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.readObject(Unknown Source)
at java.rmi.MarshalledObject.get(Unknown Source)
at org.jnp.interfaces.MarshalledValuePair.get(MarshalledValuePair.java:30)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:460)
... 3 more

Client:

h.put(Context.PROVIDER_URL, "jnp://140.105.63.22:1099");
//"java.naming.provider.url"
h.put(Context.INITIAL_CONTEXT_FACTORY, "org.jnp.interfaces.NamingContextFactory");
//"java.naming.factory.initial"
h.put(Context.URL_PKG_PREFIXES, "org.jboss.naming:org.jnp.interfaces");
//"java.naming.factory.url.pkgs" "org.jboss.naming:org.jnp.interfaces"
System.out.println("Parametri= " + h);

InitialContext jndi = new InitialContext(h);
System.out.println("2. Retrieve the lookup");

Object prova=jndi.lookup("DemoBean");

//////ERROR ON LOOKUP!!!!

[kaioh83]

Hi, I solved the problem!

However thanks.

[engelsen]

When you solve a problem !

PLEASE POST HOW YOU FIXED IT !!!

Others could be facing the same problem

[mkgtvm]

Could you please tell how you resolved that error, I am also facing the same problem