PageRenderLinkSource not usable in HttpServletRequestHandler?
It seems PageRenderLinkSource.createPageRenderLink(..) can't be used in an HttpServletRequestHandler because it results in NullPointerException. I'm using T5.1.0.5. Can anyone confirm this? (and perhaps give a good alternative?) java.lang.NullPointerException at $Request_127fc1c71ae.getContextPath($Request_127fc1c71ae.java) at $Request_127fc1c714e.getContextPath($Request_127fc1c714e.java) at org.apache.tapestry5.internal.services.ComponentEventLinkEncoderImpl.createPageRenderLink(ComponentEventLinkEncoderImpl.java:115) at $ComponentEventLinkEncoder_127fc1c7176.createPageRenderLink($ComponentEventLinkEncoder_127fc1c7176.java) at org.apache.tapestry5.internal.services.LinkSourceImpl.createPageRenderLink(LinkSourceImpl.java:107) at $LinkSource_127fc1c719d.createPageRenderLink($LinkSource_127fc1c719d.java) at org.apache.tapestry5.internal.services.PageRenderLinkSourceImpl.createPageRenderLink(PageRenderLinkSourceImpl.java:45) at org.apache.tapestry5.internal.services.PageRenderLinkSourceImpl.createPageRenderLink(PageRenderLinkSourceImpl.java:40) at $PageRenderLinkSource_127fc1c715e.createPageRenderLink($PageRenderLinkSource_127fc1c715e.java) at jumpstart.web.services.AssetProtectionFilter.service(AssetProtectionFilter.java:49) at $HttpServletRequestHandler_127fc1c7163.service($HttpServletRequestHandler_127fc1c7163.java) at $HttpServletRequestHandler_127fc1c715d.service($HttpServletRequestHandler_127fc1c715d.java) at org.apache.tapestry5.TapestryFilter.doFilter(TapestryFilter.java:127) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:722) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:404) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139) at org.mortbay.jetty.Server.handle(Server.java:324) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505) at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:828) 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:380) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395) at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:450) Geoff
Re: PageRenderLinkSource not usable in HttpServletRequestHandler?
That's possible... I doubt that Request/Request Globals have been initialized yet. Is there some reason you specifically need an HttpServletRequestHandler as opposed to a RequestHandler? More of the T5 infrastructure is available/initialized within the RequestHandler pipeline... Robert On Apr 14, 2010, at 4/146:56 AM , Geoff Callender wrote: It seems PageRenderLinkSource.createPageRenderLink(..) can't be used in an HttpServletRequestHandler because it results in NullPointerException. I'm using T5.1.0.5. Can anyone confirm this? (and perhaps give a good alternative?) java.lang.NullPointerException at $Request_127fc1c71ae.getContextPath($Request_127fc1c71ae.java) at $Request_127fc1c714e.getContextPath($Request_127fc1c714e.java) at org .apache .tapestry5 .internal .services .ComponentEventLinkEncoderImpl .createPageRenderLink(ComponentEventLinkEncoderImpl.java:115) at $ ComponentEventLinkEncoder_127fc1c7176 .createPageRenderLink($ComponentEventLinkEncoder_127fc1c7176.java) at org .apache .tapestry5 .internal .services.LinkSourceImpl.createPageRenderLink(LinkSourceImpl.java:107) at $ LinkSource_127fc1c719d .createPageRenderLink($LinkSource_127fc1c719d.java) at org .apache .tapestry5 .internal .services .PageRenderLinkSourceImpl .createPageRenderLink(PageRenderLinkSourceImpl.java:45) at org .apache .tapestry5 .internal .services .PageRenderLinkSourceImpl .createPageRenderLink(PageRenderLinkSourceImpl.java:40) at $ PageRenderLinkSource_127fc1c715e .createPageRenderLink($PageRenderLinkSource_127fc1c715e.java) at jumpstart .web .services.AssetProtectionFilter.service(AssetProtectionFilter.java:49) at $ HttpServletRequestHandler_127fc1c7163 .service($HttpServletRequestHandler_127fc1c7163.java) at $ HttpServletRequestHandler_127fc1c715d .service($HttpServletRequestHandler_127fc1c715d.java) at org.apache.tapestry5.TapestryFilter.doFilter(TapestryFilter.java: 127) 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.ContextHandler.handle(ContextHandler.java: 722) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java: 404) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java: 139) at org.mortbay.jetty.Server.handle(Server.java:324) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java: 505) at org.mortbay.jetty.HttpConnection $RequestHandler.headerComplete(HttpConnection.java:828) 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:380) at org .mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java: 395) at org.mortbay.thread.BoundedThreadPool $PoolThread.run(BoundedThreadPool.java:450) Geoff - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
Re: PageRenderLinkSource not usable in HttpServletRequestHandler?
Robert has it exactly; where possible, do the work inside RequestHandler pipeline. I've been gradually adding new methods to Request to wrap HttpServletRequest methods ... in a worst case, inject HttpServletRequest into your RequestFilter. On Wed, Apr 14, 2010 at 5:05 AM, Robert Zeigler robe...@scazdl.org wrote: That's possible... I doubt that Request/Request Globals have been initialized yet. Is there some reason you specifically need an HttpServletRequestHandler as opposed to a RequestHandler? More of the T5 infrastructure is available/initialized within the RequestHandler pipeline... Robert On Apr 14, 2010, at 4/146:56 AM , Geoff Callender wrote: It seems PageRenderLinkSource.createPageRenderLink(..) can't be used in an HttpServletRequestHandler because it results in NullPointerException. I'm using T5.1.0.5. Can anyone confirm this? (and perhaps give a good alternative?) java.lang.NullPointerException at $Request_127fc1c71ae.getContextPath($Request_127fc1c71ae.java) at $Request_127fc1c714e.getContextPath($Request_127fc1c714e.java) at org.apache.tapestry5.internal.services.ComponentEventLinkEncoderImpl.createPageRenderLink(ComponentEventLinkEncoderImpl.java:115) at $ComponentEventLinkEncoder_127fc1c7176.createPageRenderLink($ComponentEventLinkEncoder_127fc1c7176.java) at org.apache.tapestry5.internal.services.LinkSourceImpl.createPageRenderLink(LinkSourceImpl.java:107) at $LinkSource_127fc1c719d.createPageRenderLink($LinkSource_127fc1c719d.java) at org.apache.tapestry5.internal.services.PageRenderLinkSourceImpl.createPageRenderLink(PageRenderLinkSourceImpl.java:45) at org.apache.tapestry5.internal.services.PageRenderLinkSourceImpl.createPageRenderLink(PageRenderLinkSourceImpl.java:40) at $PageRenderLinkSource_127fc1c715e.createPageRenderLink($PageRenderLinkSource_127fc1c715e.java) at jumpstart.web.services.AssetProtectionFilter.service(AssetProtectionFilter.java:49) at $HttpServletRequestHandler_127fc1c7163.service($HttpServletRequestHandler_127fc1c7163.java) at $HttpServletRequestHandler_127fc1c715d.service($HttpServletRequestHandler_127fc1c715d.java) at org.apache.tapestry5.TapestryFilter.doFilter(TapestryFilter.java:127) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:722) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:404) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139) at org.mortbay.jetty.Server.handle(Server.java:324) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505) at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:828) 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:380) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395) at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:450) Geoff - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org -- Howard M. Lewis Ship Creator of Apache Tapestry The source for Tapestry training, mentoring and support. Contact me to learn how I can get you up and productive in Tapestry fast! (971) 678-5210 http://howardlewisship.com - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
Re: PageRenderLinkSource not usable in HttpServletRequestHandler?
Thanks guys, making it a RequestHandler did the trick. On reflection, there was no need for it to be so early in the pipeline. I guess you could even argue it was inappropriate for it to be there, because an HttpServletRequestHandler isn't intended to be aware of Tapestry concepts like page and Link. Geoff On 15/04/2010, at 2:31 AM, Howard Lewis Ship wrote: Robert has it exactly; where possible, do the work inside RequestHandler pipeline. I've been gradually adding new methods to Request to wrap HttpServletRequest methods ... in a worst case, inject HttpServletRequest into your RequestFilter. On Wed, Apr 14, 2010 at 5:05 AM, Robert Zeigler robe...@scazdl.org wrote: That's possible... I doubt that Request/Request Globals have been initialized yet. Is there some reason you specifically need an HttpServletRequestHandler as opposed to a RequestHandler? More of the T5 infrastructure is available/initialized within the RequestHandler pipeline... Robert On Apr 14, 2010, at 4/146:56 AM , Geoff Callender wrote: It seems PageRenderLinkSource.createPageRenderLink(..) can't be used in an HttpServletRequestHandler because it results in NullPointerException. I'm using T5.1.0.5. Can anyone confirm this? (and perhaps give a good alternative?) java.lang.NullPointerException at $Request_127fc1c71ae.getContextPath($Request_127fc1c71ae.java) at $Request_127fc1c714e.getContextPath($Request_127fc1c714e.java) at org.apache.tapestry5.internal.services.ComponentEventLinkEncoderImpl.createPageRenderLink(ComponentEventLinkEncoderImpl.java:115) at $ComponentEventLinkEncoder_127fc1c7176.createPageRenderLink($ComponentEventLinkEncoder_127fc1c7176.java) at org.apache.tapestry5.internal.services.LinkSourceImpl.createPageRenderLink(LinkSourceImpl.java:107) at $LinkSource_127fc1c719d.createPageRenderLink($LinkSource_127fc1c719d.java) at org.apache.tapestry5.internal.services.PageRenderLinkSourceImpl.createPageRenderLink(PageRenderLinkSourceImpl.java:45) at org.apache.tapestry5.internal.services.PageRenderLinkSourceImpl.createPageRenderLink(PageRenderLinkSourceImpl.java:40) at $PageRenderLinkSource_127fc1c715e.createPageRenderLink($PageRenderLinkSource_127fc1c715e.java) at jumpstart.web.services.AssetProtectionFilter.service(AssetProtectionFilter.java:49) at $HttpServletRequestHandler_127fc1c7163.service($HttpServletRequestHandler_127fc1c7163.java) at $HttpServletRequestHandler_127fc1c715d.service($HttpServletRequestHandler_127fc1c715d.java) at org.apache.tapestry5.TapestryFilter.doFilter(TapestryFilter.java:127) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:722) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:404) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139) at org.mortbay.jetty.Server.handle(Server.java:324) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505) at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:828) 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:380) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395) at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:450) Geoff - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org -- Howard M. Lewis Ship Creator of Apache Tapestry The source for Tapestry training, mentoring and support. Contact me to learn how I can get you up and productive in Tapestry fast! (971) 678-5210 http://howardlewisship.com - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
