[jboss-user] [EJB 3.0] - Error working wih EJB3, Struts2 & JBoss 4.2GA

[NAG Kum]

NAG Kum [http://community.jboss.org/people/nk_2010] replied to the discussion

"Error working wih EJB3, Struts2 & JBoss 4.2GA"

To view the discussion, visit: http://community.jboss.org/message/537984#537984

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Hi Wolfgang,

I was busy other task, sorry for late response..

My JNDIView shows as below -

+- PaymentAdmin (class: org.jnp.interfaces.NamingContext)   |   +- AuthenticationBean (class: org.jnp.interfaces.NamingContext)   |   |   +- local (proxy: $Proxy146 implements interface com.tarangtech.mtg.authentication.ejb.AuthenticationLocal,interface org.jboss.ejb3.JBossProxy)   |   |   +- remote (proxy: $Proxy144 implements interface com.tarangtech.mtg.authentication.ejb.AuthenticationRemote,interface org.jboss.ejb3.JBossProxy)   +- UILConnectionFactory[link -> ConnectionFactory] (class: javax.naming.LinkRef)

And here is my code below -
            ctx = new InitialContext();
            Object obj = ctx.lookup("PaymentAdmin/AuthenticationBean/remote");
            AuthenticationRemote auRem = (AuthenticationRemote)obj;


*Exception* -
javax.naming.CommunicationException [Root exception is java.io.InvalidClassException: org.jboss.ejb3.remoting.BaseRemoteProxy; local class incompatible: stream classdesc serialVersionUID = -2711693270411201590, local class serialVersionUID = 1126421850898582900]
    at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:723)
    at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:588)
    at javax.naming.InitialContext.lookup(Unknown Source)
    at Main.main(Main.java:13)
Caused by: java.io.InvalidClassException: org.jboss.ejb3.remoting.BaseRemoteProxy; local class incompatible: stream classdesc serialVersionUID = -2711693270411201590, local class serialVersionUID = 1126421850898582900
    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.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.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:72)
    at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:653)
    ... 3 more

What's wrong here?

Please assist me ..

Thanks,
Nagesh

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