Cluster-related error for remote client

          Hello,
          I am getting the following error when running a remote stand-alone client that attempts to access an entity bean that is running within WLS6.1sp2:
          java.lang.NullPointerException
          at weblogic.rmi.cluster.WeightBasedReplicaHandler.chooseReplica(WeightBasedReplicaHandler.java:65)
          at weblogic.rmi.cluster.BasicReplicaHandler.loadBalance(BasicReplicaHandler.java:258)
          at weblogic.rmi.cluster.ReplicaAwareRemoteRef.invoke(ReplicaAwareRemoteRef.java:223)
          at weblogic.rmi.internal.ProxyStub.invoke(ProxyStub.java:35)
          at $Proxy1.findByPrimaryKey(Unknown Source)
          at ProductClient.main(ProductClient.java:40)
          We are not using clustering. The standalone client is using "copied" jars such as weblogic.jar on a win2000 pc. The error happens whether we run WLS on unix or on win2000.
          Any thoughts on how to avoid this problem?
          Thanks for any help,
          Clint Prouty
          DST Systems
          

As i mentioned earlier NPE is our problem.
          Pls try SP3 and if that doesn't solve, follow up with support.
          Kumar
          Clint Prouty wrote:
          > Hi Rajesh,
          >
          > Yes I do have the clustering license key in my license.bea file.
          > The error happens even if the client is running on the same
          > win200O PC as WLS. The error I listed comes from the client program, so I am
          > not sure how the license would come into play.
          >
          > Thanks,
          >
          > Clint
          >
          > Rajesh Mirchandani <[email protected]> wrote:
          >
          >>Do you have a clustering license key in your license.bea file ? It seems
          >>that we are looking for the cluster license even though you are not
          >>using clustering.
          >>
          >>Put the key in and see if it helps.
          >>
          >>Kumar Allamraju wrote:
          >>
          >>
          >>>you should report this problem to [email protected]
          >>>
          >>>I'm not sure if it's a known issue in SP2 and fixed in SP3. It's worth
          >>>trying SP3.
          >>>
          >>>--
          >>>Kumar
          >>>
          >>>Clint Prouty wrote:
          >>>
          >>>
          >>>>Hello,
          >>>>
          >>>>I am getting the following error when running a remote stand-alone
          >>>>
          >>client that attempts to access an entity bean that is running within
          >>WLS6.1sp2:
          >>
          >>>>java.lang.NullPointerException
          >>>> at weblogic.rmi.cluster.WeightBasedReplicaHandler.chooseReplica(WeightBasedReplicaHandler.java:65)
          >>>> at weblogic.rmi.cluster.BasicReplicaHandler.loadBalance(BasicReplicaHandler.java:258)
          >>>> at weblogic.rmi.cluster.ReplicaAwareRemoteRef.invoke(ReplicaAwareRemoteRef.java:223)
          >>>> at weblogic.rmi.internal.ProxyStub.invoke(ProxyStub.java:35)
          >>>> at $Proxy1.findByPrimaryKey(Unknown Source)
          >>>> at ProductClient.main(ProductClient.java:40)
          >>>>
          >>>>We are not using clustering. The standalone client is using "copied"
          >>>>
          >>jars such as weblogic.jar on a win2000 pc. The error happens whether
          >>we run WLS on unix or on win2000.
          >>
          >>>>Any thoughts on how to avoid this problem?
          >>>>
          >>>>Thanks for any help,
          >>>>
          >>>>Clint Prouty
          >>>>DST Systems
          >>>>
          >>>>
          >>--
          >>Rajesh Mirchandani
          >>Developer Relations Engineer
          >>BEA Support
          >>
          >>
          >>
          >
          

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    Original post:
    I have a stand alone spring client for simple stateless session EJB deployed on weblogic 9.2. I'm using spring (jdk 1.5) to call this remote EJB and the only way I can succeed is to have full weblogic.jar in my bootstrap classpath. Otherwise I get corba error:
    CORBA BAD_PARAM 0 No; nested exception is:
    org.omg.CORBA.BAD_PARAM: vmcid: 0x0 minor code: 0 completed: No
    Interestingly, within same client I have JMS call to weblogic JMS and that fails if weblogic.jar is in boot classpath. Getting rid of weblogic.jar from boot classpath works if I have wlclient.jar and wljmsclient.jar in regular classpath (as per weblogic docs). I would think that for stand alone client all I would need is to weblogic client jars, why should I need to have full weblogic.jar?
    I can't get those work together with same classpath. I wonder if anybody has some pointers and/or advice. I was looking to set system parameters for corba for weblogic client that maybe could help:
    org.omg.CORBA.ORBClass
    org.omg.CORBA.ORBSingletonClass
    javax.rmi.CORBA.UtilClass
    javax.rmi.CORBA.StubClass
    javax.rmi.CORBA.PortableRemoteObjectClass
    But I can't find definitive answer.
    Regards,
    -pp
    Edited by mr.papini at 06/28/2007 9:05 AM

    I'm stuck exactly with the same issue while trying to port my application from weblogic to jboss.
    I tried to specify different ORB implementations (JacORB, OpenORB) for jvm option org.omg.CORBA.ORBClass, but JBoss couldn't get them instantiated. Native Sun implementation which is used in JBoss by default and can be instantiated, apparently is not fully compatible with weblogic security module.
    So did you manage to find out the solution?
    Edited by DigitalDude at 04/09/2008 11:47 PM

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