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From Andreas Schmidt <Andreas.Schm...@hella.com>
Subject Re: UIComponentBase.java - context.getViewRoot() returns null
Date Tue, 23 Mar 2010 14:47:13 GMT

Hi Mathias,

the tomahawk component is only available for myFaces 1.1 and 1.2 but not for
myFaces 2.0.
Thus I doubt that tomahawk will work with myfaces 2.0. One just has to wait
until a version for Faces 2.0 is available.


Andreas.


Matthias Leis wrote:
> 
> Hi,
> 
> I'm using myfaces 2.0 beta 2 and currently I'm using a <h:dataTable> on my
> pages and everything is fine.
> For some reasons (sorting etc.) I want to use the <t:dataTable> (from
> Tomahawk 1.1.9).
> 
> Now, when I click on a link inside the table, I get the following
> exception:
> java.lang.NullPointerException
> 	at
> javax.faces.component.UIComponentBase.getRenderer(UIComponentBase.java:1041)
> 	at
> org.apache.myfaces.component.html.ext.HtmlDataTableHack.getClientId(HtmlDataTableHack.java:111)
> 	at
> org.apache.myfaces.component.html.ext.AbstractHtmlDataTable.getClientId(AbstractHtmlDataTable.java:135)
> 	at
> org.apache.myfaces.component.html.ext.HtmlDataTableHack.setRowIndex(HtmlDataTableHack.java:275)
> 	at
> org.apache.myfaces.component.html.ext.AbstractHtmlDataTable.setRowIndex(AbstractHtmlDataTable.java:276)
> 	at javax.faces.component.UIData.visitTree(UIData.java:1257)
> 	at javax.faces.component.UIComponent.visitTree(UIComponent.java:770)
> 	at javax.faces.component.UIComponent.visitTree(UIComponent.java:770)
> 	at
> javax.faces.component.UIViewRoot.processRestoreState(UIViewRoot.java:648)
> 	at
> org.springframework.faces.webflow.FlowViewStateManager.restoreComponentState(FlowViewStateManager.java:77)
> 	at
> org.springframework.faces.webflow.FlowViewStateManager.restoreView(FlowViewStateManager.java:159)
> 	at
> org.apache.myfaces.shared_impl.view.ViewDeclarationLanguageBase.restoreView(ViewDeclarationLanguageBase.java:106)
> 	at
> org.apache.myfaces.view.facelets.FaceletViewDeclarationLanguage.restoreView(FaceletViewDeclarationLanguage.java:1230)
> 	at
> org.apache.myfaces.application.ViewHandlerImpl.restoreView(ViewHandlerImpl.java:240)
> 	at
> com.sun.facelets.FaceletViewHandler.restoreView(FaceletViewHandler.java:316)
> 	at
> org.springframework.faces.webflow.FlowViewHandler.restoreFlowView(FlowViewHandler.java:128)
> 	at
> org.springframework.faces.webflow.FlowViewHandler.restoreView(FlowViewHandler.java:75)
> 	at
> org.springframework.faces.webflow.JsfViewFactory.getView(JsfViewFactory.java:93)
> 	at
> org.springframework.webflow.engine.ViewState.resume(ViewState.java:193)
> 	at org.springframework.webflow.engine.Flow.resume(Flow.java:545)
> 	at
> org.springframework.webflow.engine.impl.FlowExecutionImpl.resume(FlowExecutionImpl.java:259)
> 	at
> org.springframework.webflow.executor.FlowExecutorImpl.resumeExecution(FlowExecutorImpl.java:163)
> 	at
> org.springframework.webflow.mvc.servlet.FlowHandlerAdapter.handle(FlowHandlerAdapter.java:183)
> 	at
> org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:771)
> 	at
> org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:716)
> 	at
> org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:647)
> 	at
> org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:563)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
> 	at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> 	at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> 	at
> org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:341)
> 	at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> 	at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> 	at
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:343)
> 	at
> org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:109)
> 	at
> org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83)
> 	at
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:355)
> 	at
> org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:97)
> 	at
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:355)
> 	at
> org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:78)
> 	at
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:355)
> 	at
> org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54)
> 	at
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:355)
> 	at
> org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:35)
> 	at
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:355)
> 	at
> org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:177)
> 	at
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:355)
> 	at
> org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:188)
> 	at
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:355)
> 	at
> org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105)
> 	at
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:355)
> 	at
> org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:79)
> 	at
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:355)
> 	at
> org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:149)
> 	at
> org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:237)
> 	at
> org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)
> 	at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> 	at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> 	at main.util.RendererFilter.doFilter(RendererFilter.java:103)
> 	at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> 	at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> 	at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
> 	at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
> 	at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> 	at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
> 	at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> 	at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:263)
> 	at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
> 	at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:584)
> 	at
> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
> 	at java.lang.Thread.run(Unknown Source)
> 
> Is this the "fault" of myfaces or tomahawk? Is it possible to check, if
> the viewId is null, and - if so - create a new one?
> 
> Any help is appreciated :)
> 
> Thx, Matthias
> -- 
> GMX DSL: Internet, Telefon und Entertainment für nur 19,99 EUR/mtl.!
> http://portal.gmx.net/de/go/dsl02
> 
> 

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