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From Matthias Weßendorf (JIRA) <...@myfaces.apache.org>
Subject [jira] Resolved: (TRINIDAD-1520) NPE from Google Bot (unknown agent)
Date Wed, 01 Jul 2009 10:58:47 GMT

     [ https://issues.apache.org/jira/browse/TRINIDAD-1520?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Matthias Weßendorf resolved TRINIDAD-1520.
------------------------------------------

    Resolution: Duplicate

see TRINIDAD-1109

> NPE from Google Bot (unknown agent)
> -----------------------------------
>
>                 Key: TRINIDAD-1520
>                 URL: https://issues.apache.org/jira/browse/TRINIDAD-1520
>             Project: MyFaces Trinidad
>          Issue Type: Bug
>    Affects Versions:  1.2.11-core
>         Environment: myfaces 1.2.6
> facelets 1.1.14
> trinidad 1.2.11
> jetty  6.1.5
>            Reporter: Joe Rossi
>            Assignee: Matthias Weßendorf
>            Priority: Minor
>
> This seems like a duplicate of [Trinidad-1146], though the stack trace I'm seeing is
different. 
> SEVERE: Error Rendering View[/public/contact.xhtml]
> java.lang.NullPointerException
> 	at org.apache.myfaces.trinidadinternal.style.cache.FileSystemStyleCache$Key.hashCode(FileSystemStyleCache.java:1213)
> 	at java.util.Hashtable.get(Hashtable.java:334)
> 	at org.apache.myfaces.trinidadinternal.style.cache.FileSystemStyleCache._getEntry(FileSystemStyleCache.java:456)
> 	at org.apache.myfaces.trinidadinternal.style.cache.FileSystemStyleCache._getEntry(FileSystemStyleCache.java:428)
> 	at org.apache.myfaces.trinidadinternal.style.cache.FileSystemStyleCache.getStyleSheetURIs(FileSystemStyleCache.java:160)
> 	at org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.StyleSheetRenderer.encodeAll(StyleSheetRenderer.java:90)
> 	at org.apache.myfaces.trinidad.render.CoreRenderer.delegateRenderer(CoreRenderer.java:446)
> 	at org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.HeadRenderer.encodeBegin(HeadRenderer.java:80)
> 	at org.apache.myfaces.trinidad.render.CoreRenderer.delegateRendererBegin(CoreRenderer.java:467)
> 	at org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.DocumentRenderer.encodeAll(DocumentRenderer.java:74)
> 	at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:335)
> 	at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:751)
> 	at org.apache.myfaces.trinidad.component.UIXComponentBase.__encodeRecursive(UIXComponentBase.java:1494)
> 	at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeAll(UIXComponentBase.java:771)
> 	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:257)
> 	at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:592)
> 	at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:48)
> 	at org.apache.myfaces.trinidadinternal.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:188)
> 	at org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
> 	at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:140)
> 	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:155)
> 	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
> 	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1093)
> 	at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:147)
> 	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
> 	at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:245)
> 	at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:155)
> 	at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
> 	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
> 	at tn.view.error.UncaughtExceptionInterceptor.doFilter(UncaughtExceptionInterceptor.java:57)
> 	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
> 	at net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:292)
> 	at net.sf.acegisecurity.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:108)
> 	at net.sf.acegisecurity.intercept.web.SecurityEnforcementFilter.doFilter(SecurityEnforcementFilter.java:197)
> 	at net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:303)
> 	at net.sf.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:143)
> 	at net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:303)
> 	at net.sf.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:214)
> 	at net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:303)
> 	at net.sf.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:324)
> 	at net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:303)
> 	at net.sf.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:220)
> 	at net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:303)
> 	at net.sf.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:173)
> 	at net.sf.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:120)
> 	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
> 	at net.sf.acegisecurity.wrapper.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:50)
> 	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
> 	at tn.view.filter.StaticContentCachingFilter.doFilter(StaticContentCachingFilter.java:58)
> 	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
> 	at tn.view.error.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:70)
> 	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
> 	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)
> 	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
> 	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
> 	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)
> 	at org.mortbay.jetty.handler.RequestLogHandler.handle(RequestLogHandler.java:49)
> 	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:712)
> 	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
> 	at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:211)
> 	at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
> 	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)
> 	at org.mortbay.jetty.Server.handle(Server.java:313)
> 	at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:506)
> 	at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:830)
> 	at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:514)
> 	at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
> 	at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:381)
> 	at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:396)
> 	at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:442)
> I can reproduce it with the following junit test case:
>   public void testWebCrawlerCrash()
>     throws HttpException, IOException
>   {
>     String applicationUrl = "http://localhost/app";
>     
>     // Create a http request for the contacts page
>     HttpClient client = new HttpClient();
>     HttpMethod method = new GetMethod(applicationUrl + "/public/contact.jsf");
>     
>     // Adjust the header so it appears to be the google web crawler
>     method.addRequestHeader("User-Agent", "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)");
>     
>     try
>     {
>       // Invoke the http request
>       int statusCode = client.executeMethod(method);
>       assertEquals(HttpStatus.SC_OK, statusCode);
>     }
>     finally
>     {
>       method.releaseConnection();
>     }
>   }

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