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I have the following error when view within a page is expired. The message says that the Error page '/home.xhtml' will be shown. but actually nothing is shown, the page remains the same, and it is just frozen. I am using FullAjaxExceptionHandler from Omnifaces, described by balusC.

I am using Primefaces 3.5 and Mojarra 2.1.17.

Mär 11, 2013 1:40:30 PM org.apache.catalina.core.ApplicationContext log
SEVERE: FullAjaxExceptionHandlerx: An exception occurred during processing JSF ajax request. Error page '/home.xhtml' will be shown.
javax.faces.application.ViewExpiredException: viewId:/wishes_book.xhtml - View /wishes_book.xhtml could not be restored.
    at com.sun.faces.lifecycle.RestoreViewPhase.execute(RestoreViewPhase.java:205)
    at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
    at com.sun.faces.lifecycle.RestoreViewPhase.doPhase(RestoreViewPhase.java:116)
    at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:593)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:79)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:999)
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:565)
    at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1812)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:722)
Mär 11, 2013 1:40:30 PM com.sun.faces.application.view.FaceletViewHandlingStrategy handleRenderException
SEVERE: Error Rendering View[/home.xhtml]
java.lang.NullPointerException
    at org.primefaces.renderkit.CoreRenderer.getWidgetBuilder(CoreRenderer.java:481)
    at org.primefaces.component.menubar.MenubarRenderer.encodeScript(MenubarRenderer.java:36)
    at org.primefaces.component.menu.BaseMenuRenderer.encodeEnd(BaseMenuRenderer.java:40)
    at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:875)
    at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1786)
    at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1782)
    at org.primefaces.component.panelgrid.PanelGridRenderer.encodeRow(PanelGridRenderer.java:143)
    at org.primefaces.component.panelgrid.PanelGridRenderer.encodeStaticBody(PanelGridRenderer.java:107)
    at org.primefaces.component.panelgrid.PanelGridRenderer.encodeBody(PanelGridRenderer.java:63)
    at org.primefaces.component.panelgrid.PanelGridRenderer.encodeEnd(PanelGridRenderer.java:49)
    at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:875)
    at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1786)
    at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1782)
    at org.primefaces.component.panelgrid.PanelGridRenderer.encodeRow(PanelGridRenderer.java:143)
    at org.primefaces.component.panelgrid.PanelGridRenderer.encodeStaticBody(PanelGridRenderer.java:107)
    at org.primefaces.component.panelgrid.PanelGridRenderer.encodeBody(PanelGridRenderer.java:63)
    at org.primefaces.component.panelgrid.PanelGridRenderer.encodeEnd(PanelGridRenderer.java:49)
    at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:875)
    at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1786)
    at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1782)
    at com.sun.faces.context.PartialViewContextImpl.renderAll(PartialViewContextImpl.java:404)
    at com.sun.faces.context.PartialViewContextImpl.processPartial(PartialViewContextImpl.java:289)
    at javax.faces.context.PartialViewContextWrapper.processPartial(PartialViewContextWrapper.java:183)
    at javax.faces.context.PartialViewContextWrapper.processPartial(PartialViewContextWrapper.java:183)
    at javax.faces.component.UIViewRoot.encodeChildren(UIViewRoot.java:982)
    at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1779)
    at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:411)
    at com.meinanliegen.handlers.exceptions.FullAjaxExceptionHandler.renderErrorPageView(FullAjaxExceptionHandler.java:231)
    at com.meinanliegen.handlers.exceptions.FullAjaxExceptionHandler.handleAjaxException(FullAjaxExceptionHandler.java:200)
    at com.meinanliegen.handlers.exceptions.FullAjaxExceptionHandler.handle(FullAjaxExceptionHandler.java:145)
    at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:119)
    at com.sun.faces.lifecycle.RestoreViewPhase.doPhase(RestoreViewPhase.java:116)
    at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:593)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:79)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:999)
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:565)
    at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1812)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:722)
Mär 11, 2013 1:40:30 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [Faces Servlet] in context with path [/MeinAnliegen] threw exception

Can you please help me with one suggestion how could I solve his problem?

BalusC
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Ioan
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  • Are you shore that your `home.xhtml` file is on right location? – partlov Mar 10 '13 at 18:09
  • Is this the full stack trace? – kolossus Mar 11 '13 at 12:35
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    This is caused by PrimeFaces 3.5. You need to update OmniFaces to at least 1.4 (it's currently 1.4.1). See also https://code.google.com/p/omnifaces/issues/detail?id=120 – BalusC Mar 12 '13 at 21:07
  • @BalusC : Thanks, this was indeed the solution. Can you write an answer so I can mark it as accepted? And again many thanks! – Ioan Mar 13 '13 at 07:47

1 Answers1

2

This is caused by PrimeFaces 3.5. They added a PhaseListener which creates and puts a WidgetBuilder as context attribute during render response phase. The FullAjaxExceptionHandler however forces rendering directly in the current phase when not in render response phase yet. This caused the WidgetBuilder to be null during encoding of PrimeFaces components and hence this NPE. Also, when the current phase is render response, then it would still not work because FullAjaxExceptionHandler was a bit too agressively clearing the entire context attribute map before rendering (with the sole reason to force re-injection of JSF resource dependencies like CSS/JS files), including the PrimeFaces WidgetBuilder.

This is reported as OmniFaces issue 120. The FullAjaxExceptionHandler was improved to delegate the rendering to JSF when currently not in render response phase, and remove only the specific attributes from the context attribute map. You need to update OmniFaces to at least 1.4 (it's currently 1.4.1) in order to get it to work.

BalusC
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