URL stream throws exception when trying to read from input stream

Hi guys,
I tried reading from an input stream which returned a 401. Actually, the server side returns 401 whenever the application server cannot fulfill the client's request, however the 401 contains a message which I will like to read.
I have tried this with mozilla and the return message is properly displayed even at 401. How can I read this message?

Oracle home is pointing to wrong location.When we made the change to corrent location.Then we rebuilt the jar file started the managed server it is working fine.

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    at com.sun.corba.ee.internal.iiop.RequestProcessor.process(Unknown Source)
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    --Muthu.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    

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    at com.sun.corba.ee.internal.iiop.ORB.process(Unknown Source)
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    at com.iplanet.ias.corba.ee.internal.iiop.ServicableWrapper.service(Unknown Source)
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    at com.sun.ejb.containers.util.pool.NonBlockingPool.getObject(Unknown Source)
    at com.sun.ejb.containers.util.pool.NonBlockingPool.getObject(Unknown Source)
    at com.sun.ejb.containers.EntityContainer.getPooledEJB(Unknown Source)
    at com.sun.ejb.containers.EntityContainer.getContext(Unknown Source)
    at com.sun.ejb.containers.BaseContainer.preInvoke(Unknown Source)
    at CMPServer.ProductEJB2024414397_ConcreteImpl_RemoteHomeImpl.create(ProductEJB2024414397_ConcreteImpl_RemoteHomeImpl.java:25)
    ... 9 more
    Caused by: javax.ejb.EJBException: nested exception is: java.lang.NullPointerException
    at com.sun.ejb.containers.EntityContainer$EntityContextFactory.create(Unknown Source)
    ... 15 more
    Any thoughts on why this exception is being thrown?
    Thanks for any help!
    Richard

    this sample has been tested by the SunONE TOOLs QA
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