Ok, have solved the issue thanks to this blog http://blog.progs.be/?p=52
Desc.useContextClassLoader = true; Cheers, Lance. 2008/6/24 Lance Java <[EMAIL PROTECTED]>: > I am a tapestry newbie, I and I'm playing around with tapestry 5.0.13. > When I have a page that contains only my components, tapestry is working as > expected. > > When I put a core tapestry component (actionlink, zone, etc.) on the page I > get an exception > > Page: > > package mytapestrybasepackage.pages; > > public class DeleteMe { > } > > DeleteMe.tml > > <html xmlns:t="http://tapestry.apache.org/schema/tapestry_5_0_0.xsd"> > <t:actionlink t:id="edit" context="0" zone="editZone">edit</t:actionlink> > blah > </html> > > When I remove the actionlink, blah is printed to the screen when I hit > http://<host>:<port>/deleteme <http://%3Chost%3E%3A%3Cport%3E/deleteme> > > For some background info, I was using a previous version but have now > upgraded. I upgraded the javassist version and the tapestry jars and removed > the old ones and am 99% sure that the old version is gone. I am using > jboss-4.2.2.GA and java 1.5.0_06 > > Stack trace: > > org.apache.tapestry5.internal.services.RenderQueueException: Render queue > error in BeginRender[DeleteMe:edit]: No ClassLoaders found for: > org.apache.tapestry5.internal.services.ClientBehaviorSupport [at > classpath:com/bglobal/isharesnet/tapestry/pages/DeleteMe.tml, line 2, column > 56] > at > org.apache.tapestry5.internal.services.RenderQueueImpl.run(RenderQueueImpl.java:80) > at > org.apache.tapestry5.internal.services.PageRenderQueueImpl.render(PageRenderQueueImpl.java:108) > at $PageRenderQueue_11aba59cc58.render($PageRenderQueue_11aba59cc58.java) > at $PageRenderQueue_11aba59cc56.render($PageRenderQueue_11aba59cc56.java) > at > org.apache.tapestry5.services.TapestryModule$14.renderMarkup(TapestryModule.java:1128) > at > org.apache.tapestry5.services.TapestryModule$23.renderMarkup(TapestryModule.java:1472) > at > $MarkupRenderer_11aba59cc5c.renderMarkup($MarkupRenderer_11aba59cc5c.java) > at > org.apache.tapestry5.services.TapestryModule$22.renderMarkup(TapestryModule.java:1453) > at > $MarkupRenderer_11aba59cc5c.renderMarkup($MarkupRenderer_11aba59cc5c.java) > at > org.apache.tapestry5.services.TapestryModule$21.renderMarkup(TapestryModule.java:1435) > at > $MarkupRenderer_11aba59cc5c.renderMarkup($MarkupRenderer_11aba59cc5c.java) > at > org.apache.tapestry5.services.TapestryModule$20.renderMarkup(TapestryModule.java:1415) > at > $MarkupRenderer_11aba59cc5c.renderMarkup($MarkupRenderer_11aba59cc5c.java) > at > $MarkupRenderer_11aba59cc55.renderMarkup($MarkupRenderer_11aba59cc55.java) > at > org.apache.tapestry5.internal.services.PageMarkupRendererImpl.renderPageMarkup(PageMarkupRendererImpl.java:55) > at > $PageMarkupRenderer_11aba59cc53.renderPageMarkup($PageMarkupRenderer_11aba59cc53.java) > at > org.apache.tapestry5.internal.services.PageResponseRendererImpl.renderPageResponse(PageResponseRendererImpl.java:57) > at > $PageResponseRenderer_11aba59cc2a.renderPageResponse($PageResponseRenderer_11aba59cc2a.java) > at > org.apache.tapestry5.internal.services.PageRenderRequestHandlerImpl.handle(PageRenderRequestHandlerImpl.java:59) > at > org.apache.tapestry5.services.TapestryModule$28.handle(TapestryModule.java:1672) > at > $PageRenderRequestHandler_11aba59cc2b.handle($PageRenderRequestHandler_11aba59cc2b.java) > at > $PageRenderRequestHandler_11aba59cc1f.handle($PageRenderRequestHandler_11aba59cc1f.java) > at > org.apache.tapestry5.internal.services.PageRenderDispatcher.process(PageRenderDispatcher.java:97) > at > org.apache.tapestry5.internal.services.PageRenderDispatcher.dispatch(PageRenderDispatcher.java:73) > at $Dispatcher_11aba59cc26.dispatch($Dispatcher_11aba59cc26.java) > at $Dispatcher_11aba59cc18.dispatch($Dispatcher_11aba59cc18.java) > at > org.apache.tapestry5.services.TapestryModule$12.service(TapestryModule.java:938) > at > org.apache.tapestry5.internal.services.LocalizationFilter.service(LocalizationFilter.java:42) > at $RequestHandler_11aba59cc19.service($RequestHandler_11aba59cc19.java) > at > org.apache.tapestry5.services.TapestryModule$2.service(TapestryModule.java:586) > at $RequestHandler_11aba59cc19.service($RequestHandler_11aba59cc19.java) > at > org.apache.tapestry5.internal.services.RequestErrorFilter.service(RequestErrorFilter.java:26) > at $RequestHandler_11aba59cc19.service($RequestHandler_11aba59cc19.java) > at > org.apache.tapestry5.internal.services.StaticFilesFilter.service(StaticFilesFilter.java:79) > at $RequestHandler_11aba59cc19.service($RequestHandler_11aba59cc19.java) > at > org.apache.tapestry5.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:93) > at > org.apache.tapestry5.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:84) > at > org.apache.tapestry5.ioc.internal.util.ConcurrentBarrier.withRead(ConcurrentBarrier.java:75) > at > org.apache.tapestry5.internal.services.CheckForUpdatesFilter.service(CheckForUpdatesFilter.java:106) > at $RequestHandler_11aba59cc19.service($RequestHandler_11aba59cc19.java) > at $RequestHandler_11aba59cc11.service($RequestHandler_11aba59cc11.java) > at > org.apache.tapestry5.services.TapestryModule$11.service(TapestryModule.java:918) > at > org.apache.tapestry5.internal.services.IgnoredPathsFilter.service(IgnoredPathsFilter.java:62) > at > $HttpServletRequestFilter_11aba59cc10.service($HttpServletRequestFilter_11aba59cc10.java) > at > $HttpServletRequestHandler_11aba59cc12.service($HttpServletRequestHandler_11aba59cc12.java) > at > $HttpServletRequestHandler_11aba59cc0f.service($HttpServletRequestHandler_11aba59cc0f.java) > at org.apache.tapestry5.TapestryFilter.doFilter(TapestryFilter.java:168) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) > at > org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) > 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:230) > at > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) > at > org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179) > at > org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84) > at > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) > at > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) > at > org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157) > at > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) > at > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262) > at > org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) > at > org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) > at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446) > at java.lang.Thread.run(Thread.java:619) > Caused by: org.apache.tapestry5.ioc.internal.util.TapestryException: No > ClassLoaders found for: > org.apache.tapestry5.internal.services.ClientBehaviorSupport [at > classpath:com/bglobal/isharesnet/tapestry/pages/DeleteMe.tml, line 2, column > 56] > at > org.apache.tapestry5.internal.structure.ComponentPageElementImpl.invoke(ComponentPageElementImpl.java:905) > at > org.apache.tapestry5.internal.structure.ComponentPageElementImpl.access$100(ComponentPageElementImpl.java:50) > at > org.apache.tapestry5.internal.structure.ComponentPageElementImpl$11.render(ComponentPageElementImpl.java:338) > at > org.apache.tapestry5.internal.services.RenderQueueImpl.run(RenderQueueImpl.java:68) > ... 64 more > Caused by: java.lang.RuntimeException: No ClassLoaders found for: > org.apache.tapestry5.internal.services.ClientBehaviorSupport > at javassist.runtime.Desc.getClassType(Desc.java:153) > at javassist.runtime.Desc.getType(Desc.java:119) > at javassist.runtime.Desc.getType(Desc.java:75) > at > org.apache.tapestry5.corelib.base.AbstractComponentEventLink._$environment_read_clientBehaviorSupport(AbstractComponentEventLink.java) > at > org.apache.tapestry5.corelib.base.AbstractComponentEventLink.beginRender(AbstractComponentEventLink.java:59) > at > org.apache.tapestry5.corelib.base.AbstractComponentEventLink.beginRender(AbstractComponentEventLink.java) > at > org.apache.tapestry5.internal.structure.ComponentPageElementImpl$11$1.run(ComponentPageElementImpl.java:334) > at > org.apache.tapestry5.internal.structure.ComponentPageElementImpl.invoke(ComponentPageElementImpl.java:895) > ... 67 more > %d 29392 ERROR > [org.apache.tapestry5.internal.services.InternalModule.PagePool] > (http-127.0.0.1-8080-1:) Page Page[DeleteMe en] is dirty, and will be > discarded (rather than returned to the page pool). > > > > > > > ** >