java.lang.NullPointerException: narrowFrom'null' narrowTo:'interface com. pws.ubiquity.ad.business.PrincipalFacadeHome'It is invalid to call narrow with n ull parameters

Oracle Community | 3004 | 1 decade ago
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    problem in clustering ejb

    Oracle Community | 1 decade ago | 3004
    java.lang.NullPointerException: narrowFrom'null' narrowTo:'interface com. pws.ubiquity.ad.business.PrincipalFacadeHome'It is invalid to call narrow with n ull parameters

    Root Cause Analysis

    1. java.lang.NullPointerException

      narrowFrom'null' narrowTo:'interface com. pws.ubiquity.ad.business.PrincipalFacadeHome'It is invalid to call narrow with n ull parameters

      at weblogic.iiop.PortableRemoteObjectDelegateImpl.narrow()
    2. weblogic.iiop
      PortableRemoteObjectDelegateImpl.narrow
      1. weblogic.iiop.PortableRemoteObjectDelegateImpl.narrow(PortableRemoteObjectDelegateImpl.java:51)
      1 frame
    3. Java RT
      PortableRemoteObject.narrow
      1. javax.rmi.PortableRemoteObject.narrow(PortableRemoteObject.java:137)
      1 frame
    4. com.pws.ubiquity
      LoginAction.perform
      1. com.pws.ubiquity.ad.util.ADEJBUtil.getRemotePrincipalFacade(ADEJBUtil.java:211)
      2. com.pws.ubiquity.common.web.action.LoginAction.authenticate(LoginAction.java:197)
      3. com.pws.ubiquity.common.web.action.LoginAction.perform(LoginAction.java:109)
      3 frames
    5. struts
      ActionServlet.doPost
      1. org.apache.struts.action.ActionServlet.processActionPerform(ActionServlet.java:1786)
      2. org.apache.struts.action.ActionServlet.process(ActionServlet.java:1585)
      3. org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:509)
      3 frames
    6. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
      2. javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
      2 frames
    7. Atmosphere weblogic
      ServletRequestImpl.execute
      1. weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:265)
      2. weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:200)
      3. weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:2456)
      4. weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2039)
      4 frames
    8. weblogic.kernel
      ExecuteThread.run
      1. weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
      2. weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
      2 frames