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List: tapestry-dev
Subject: [jira] Commented: (TAPESTRY-1377) NPE in Request.getContextPath()
From: "Howard M. Lewis Ship (JIRA)" <dev () tapestry ! apache ! org>
Date: 2007-03-30 14:22:25
Message-ID: 30312469.1175264545276.JavaMail.jira () brutus
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[ https://issues.apache.org/jira/browse/TAPESTRY-1377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12485513 \
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Howard M. Lewis Ship commented on TAPESTRY-1377:
------------------------------------------------
That's very odd; it appears on this line:
String contextPath = request.getContextPath();
request, in this case, is a Request instance as a shadow proxy to the RequestGlobals' \
request property. The NPE is because RequestGlobals.request is null.
I'm not exactly sure how that could happen.
> NPE in Request.getContextPath()
> -------------------------------
>
> Key: TAPESTRY-1377
> URL: https://issues.apache.org/jira/browse/TAPESTRY-1377
> Project: Tapestry
> Issue Type: Bug
> Components: tapestry-core
> Affects Versions: 5.0.3
> Environment: Tapestry, Spring Framework, Acegi Security
> Reporter: Stephan Schwab
>
> In web.xml filters are applied in the order Acegi, Spring OpenSessionInView, \
> Tapestry to make sure that all requests get processed by Acegi for security \
> checking first, then OpenSessionInView makes sure there is an active Hibernate \
> session. When the request gets to Tapestry an NPE is thrown:
> java.lang.NullPointerException
> at $Request_11171fec8ae.getContextPath($Request_11171fec8ae.java)
> at $Request_11171fec858.getContextPath($Request_11171fec858.java)
> at org.apache.tapestry.internal.services.RequestRenderer.render(RequestRenderer.java:34)
> at org.apache.tapestry.internal.services.RequestRenderer.render(RequestRenderer.java:24)
> at $ObjectRenderer_11171fec8ad.render($ObjectRenderer_11171fec8ad.java)
> at $ObjectRenderer_11171fec855.render($ObjectRenderer_11171fec855.java)
> at org.apache.tapestry.corelib.components.RenderObject.beginRender(RenderObject.java:37)
> at org.apache.tapestry.corelib.components.RenderObject.beginRender(RenderObject.java)
> at org.apache.tapestry.internal.structure.ComponentPageElementImpl$10$1.run(ComponentPageElementImpl.java:345)
> at org.apache.tapestry.internal.structure.ComponentPageElementImpl.invoke(ComponentPageElementImpl.java:932)
> at org.apache.tapestry.internal.structure.ComponentPageElementImpl.access$100(ComponentPageElementImpl.java:69)
> at org.apache.tapestry.internal.structure.ComponentPageElementImpl$10.render(ComponentPageElementImpl.java:349)
> at org.apache.tapestry.internal.services.RenderQueueImpl.run(RenderQueueImpl.java:57)
> at org.apache.tapestry.internal.services.PageMarkupRendererImpl.renderPageMarkup(PageMarkupRendererImpl.java:40)
> at $PageMarkupRenderer_11171fec8a6.renderPageMarkup($PageMarkupRenderer_11171fec8a6.java)
> at org.apache.tapestry.internal.services.PageResponseRendererImpl.renderPageResponse(PageResponseRendererImpl.java:45)
> at $PageResponseRenderer_11171fec86d.renderPageResponse($PageResponseRenderer_11171fec86d.java)
> at org.apache.tapestry.internal.services.DefaultRequestExceptionHandler.handleRequestException(DefaultRequestExceptionHandler.java:60)
> at $RequestExceptionHandler_11171fec860.handleRequestException($RequestExceptionHandler_11171fec860.java)
> at org.apache.tapestry.services.TapestryModule$3.service(TapestryModule.java:745)
> at $RequestHandler_11171fec87f.service($RequestHandler_11171fec87f.java)
> at org.apache.tapestry.internal.services.StaticFilesFilter.service(StaticFilesFilter.java:63)
> at $RequestHandler_11171fec87f.service($RequestHandler_11171fec87f.java)
> at org.apache.tapestry.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:91)
> at org.apache.tapestry.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:82)
> at org.apache.tapestry.ioc.internal.util.ConcurrentBarrier.withRead(ConcurrentBarrier.java:77)
> at org.apache.tapestry.internal.services.CheckForUpdatesFilter.service(CheckForUpdatesFilter.java:104)
> at $RequestHandler_11171fec87f.service($RequestHandler_11171fec87f.java)
> at $RequestHandler_11171fec87b.service($RequestHandler_11171fec87b.java)
> at org.apache.tapestry.services.TapestryModule$11.service(TapestryModule.java:1179)
> at $HttpServletRequestHandler_11171fec87a.service($HttpServletRequestHandler_11171fec87a.java)
> at org.apache.tapestry.TapestryFilter.doFilter(TapestryFilter.java:115)
> at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1040)
> at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:173)
> at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:77)
> at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1040)
> at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:264)
> at org.acegisecurity.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:107)
> at org.acegisecurity.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:72)
> at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
> at org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:110)
> at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
> at org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:178)
> at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
> at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:229)
> at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
> at org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:148)
> at org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:98)
> at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1040)
> at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:352)
> at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:230)
> at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:627)
> at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:149)
> at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:123)
> at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:141)
> at org.mortbay.jetty.Server.handle(Server.java:286)
> at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:444)
> at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:701)
> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:500)
> at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:203)
> at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:340)
> at org.mortbay.jetty.nio.HttpChannelEndPoint.run(HttpChannelEndPoint.java:270)
> at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:475)
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