[JBoss-user] [Management, JMX/JBoss] - javax.naming.CommunicationException

[anu_katta <nu...@jb...>]

Hi,
I need help in fixing the following error in jboss4.0.0 and linux OS.
javax.naming.CommunicationException [Root exception is java.rmi.UnmarshalException: error unmarshalling return; nested exception is:
        java.io.InvalidClassException: org.jnp.interfaces.MarshalledValuePair; local class incompatible: stream classdesc serialVersionUID = -6485622724173581497, local class serialVersionUID = -3403843515711139134]
        at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:574)
        at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:440)
        at javax.naming.InitialContext.lookup(InitialContext.java:347)
        at com.abcsinc.fwk.dbquery.DBQuerySBFactory.create(DBQuerySBFactory.java:42)
        at com.abcsinc.fwk.dbutils.TableUtil.openDataSet(TableUtil.java:58)
        at com.abcsinc.fwk.dbutils.ReorgTables.reorgTables(ReorgTables.java:51)
        at com.abcsinc.fwk.dbutils.ReorgTables.main(ReorgTables.java:394)
Caused by: java.rmi.UnmarshalException: error unmarshalling return; nested exception is:
        java.io.InvalidClassException: org.jnp.interfaces.MarshalledValuePair; local class incompatible: stream classdesc serialVersionUID = -6485622724173581497, local class serialVersionUID = -3403843515711139134
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:164)
        at org.jnp.server.NamingServer_Stub.lookup(Unknown Source)
        at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:456)
        ... 6 more
Caused by: java.io.InvalidClassException: org.jnp.interfaces.MarshalledValuePair; local class incompatible: stream classdesc serialVersionUID = -6485622724173581497, local class serialVersionUID = -3403843515711139134
        at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:463)
        at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1521)
        at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1435)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1626)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java:324)
        at sun.rmi.server.UnicastRef.unmarshalValue(UnicastRef.java:297)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:146)
        ... 8 more
----
I am sorry if it is not the correct place to post. Please suggest me where can I get help on this.
Thank you.
--Anu.

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