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narrowFrom'null' narrowTo:'interface com. pws.ubiquity.ad.business.PrincipalFacadeHome'It is invalid to call narrow with n ull parameters
java.lang.NullPointerException: narrowFrom'null' narrowTo:'interface com.pws.ubiquity.ad.business.PrincipalFacadeHome'It is invalid to call narrow withnull parameters at weblogic.iiop.PortableRemoteObjectDelegateImpl.narrow(PortableRemoteObjectDelegateImpl.java:51) at javax.rmi.PortableRemoteObject.narrow(PortableRemoteObject.java:137) at com.pws.ubiquity.ad.util.ADEJBUtil.getRemotePrincipalFacade(ADEJBUtil.java:211) at com.pws.ubiquity.common.web.action.LoginAction.authenticate(LoginAction.java:197) at com.pws.ubiquity.common.web.action.LoginAction.perform(LoginAction.java:109) at org.apache.struts.action.ActionServlet.processActionPerform(ActionServlet.java:1786) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1585) at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:509) at javax.servlet.http.HttpServlet.service(HttpServlet.java:760) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:265) at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:200) at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:2456) at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2039) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)