I'm getting an exception (see below) when calling
uiViewRoot.getRenderKitId().  I've started reading about renderers with
custom components, but I'm not doing anything special here...

Anyone know how to solve this?

BTW - I'm using this from excellent code provide by Nico Krijnen Mar 14,
2006; 09:58am...
http://www.nabble.com/FW%3A-How-can-i-manually-save-and-restore-a-view%27s-state--tf1279120.html#a3397984
http://www.nabble.com/FW%3A-How-can-i-manually-save-and-restore-a-view%27s-state--tf1279120.html#a3397984
 

if (uiViewRoot.getRenderKitId() == null) {
            // Just to be sure...
            // uiViewRoot.setRenderKitId(renderKitId);
                System.out.println("4.2");
                throw new RuntimeException("FIX ME IF THIS HAPPENS");
}

java.lang.RuntimeException: FIX ME IF THIS HAPPENS
        at
com.ngsimages.history.ViewState.restoreComponentState(ViewState.java:151)
        at com.ngsimages.history.ViewState.restoreView(ViewState.java:94)
        at com.ngsimages.history.ViewState.restore(ViewState.java:57)
        at
com.ngsimages.security.AuthenticationBean.login(AuthenticationBean.java:135)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at
org.apache.myfaces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:129)
        at
org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:63)
        at javax.faces.component.UICommand.broadcast(UICommand.java:106)
        at 
javax.faces.component.UIViewRoot._broadcastForPhase(UIViewRoot.java:94)
        at 
javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:168)
        at
org.apache.myfaces.lifecycle.LifecycleImpl.invokeApplication(LifecycleImpl.java:343)
        at
org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:86)
        at javax.faces.webapp.FacesServlet.service(FacesServlet.java:137)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
        at
org.hibernate.com.ngsimages.persistence.HibernateSessionRequestFilter.doFilter(HibernateSessionRequestFilter.java:40)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
        at
org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:144)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
        at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
        at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
        at
org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
        at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
        at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
        at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
        at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
        at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
        at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
        at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
        at 
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
        at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
        at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
        at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
        at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
        at java.lang.Thread.run(Unknown Source)

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