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javax.servlet.ServletException: java.lang.NullPointerException	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:277)	at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)	at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)	at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)	at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)	at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:191)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)	at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:97)	at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:420)	at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)	at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:420)	at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:247)	at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:157)	at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)	at oracle.help.web.rich.OHWFilter.doFilter(Unknown Source)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)	at oracle.security.am.agent.wls.filters.OAMServletAuthenticationFilter.doFilter(OAMServletAuthenticationFilter.java:260)	at oracle.security.am.agent.wls.filters.OAMValidationSystemFilter.doFilter(OAMValidationSystemFilter.java:133)	at oracle.security.wls.oamagent.OAMAgentWrapperFilter.doFilter(OAMAgentWrapperFilter.java:121)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)	at oracle.security.am.admin.console.beans.OAMRequestFilter.doFilter(OAMRequestFilter.java:69)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)	at oracle.adf.library.webapp.LibraryFilter.doFilter(LibraryFilter.java:159)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)	at oracle.dms.wls.DMSServletFilter.doFilter(DMSServletFilter.java:330)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)	at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)	at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.doIt(WebAppServletContext.java:3684)	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3650)	at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)	at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)	at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2268)	at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2174)	at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1446)	at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)	at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)