Is the data source 'displayedCompanies' volatile? Error comes out in ajax request?
DH http://www.gaonline.com.cn ----- Original Message ----- From: "haipeng du" <haipen...@gmail.com> To: "Tapestry users" <users@tapestry.apache.org> Sent: Wednesday, July 01, 2009 11:54 AM Subject: T5 Grid Error >I have one grid which take list of object as source. Most time, it works > great. But sometimes I got following erros: > DefaultRequestExceptionHandler.handleRequestException(62) | Processing of > request failed with uncaught exception: Index: 1, Size: 1 > org.apache.tapestry5.runtime.ComponentEventException: Index: 1, Size: 1 [at > context:app/appAdmin/CompaniesList.tml, line 9] > at > org.apache.tapestry5.internal.structure.ComponentPageElementImpl.triggerContextEvent(ComponentPageElementImpl.java:1098) > at > org.apache.tapestry5.internal.services.AjaxComponentEventRequestHandler.handle(AjaxComponentEventRequestHandler.java:107) > at > $ComponentEventRequestHandler_12233f25a7c.handle($ComponentEventRequestHandler_12233f25a7c.java) > at > org.apache.tapestry5.internal.services.AjaxFilter.handle(AjaxFilter.java:42) > at > $ComponentEventRequestHandler_12233f25a7e.handle($ComponentEventRequestHandler_12233f25a7e.java) > at > org.apache.tapestry5.services.TapestryModule$36.handle(TapestryModule.java:2164) > at > $ComponentEventRequestHandler_12233f25a7e.handle($ComponentEventRequestHandler_12233f25a7e.java) > at > $ComponentEventRequestHandler_12233f259fb.handle($ComponentEventRequestHandler_12233f259fb.java) > at > org.apache.tapestry5.internal.services.ComponentRequestHandlerTerminator.handleComponentEvent(ComponentRequestHandlerTerminator.java:43) > at > $ComponentRequestHandler_12233f259ef.handleComponentEvent($ComponentRequestHandler_12233f259ef.java) > at > org.apache.tapestry5.internal.services.ComponentEventDispatcher.dispatch(ComponentEventDispatcher.java:46) > at $Dispatcher_12233f259f1.dispatch($Dispatcher_12233f259f1.java) > at $Dispatcher_12233f259e8.dispatch($Dispatcher_12233f259e8.java) > at > org.apache.tapestry5.services.TapestryModule$RequestHandlerTerminator.service(TapestryModule.java:245) > at > org.apache.tapestry5.internal.services.RequestErrorFilter.service(RequestErrorFilter.java:26) > at $RequestHandler_12233f259e9.service($RequestHandler_12233f259e9.java) > at > org.apache.tapestry5.services.TapestryModule$4.service(TapestryModule.java:778) > at $RequestHandler_12233f259e9.service($RequestHandler_12233f259e9.java) > at > org.apache.tapestry5.services.TapestryModule$3.service(TapestryModule.java:767) > at $RequestHandler_12233f259e9.service($RequestHandler_12233f259e9.java) > at > org.apache.tapestry5.internal.services.StaticFilesFilter.service(StaticFilesFilter.java:85) > at $RequestHandler_12233f259e9.service($RequestHandler_12233f259e9.java) > at > org.apache.tapestry5.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:90) > at > org.apache.tapestry5.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:81) > at > org.apache.tapestry5.ioc.internal.util.ConcurrentBarrier.withRead(ConcurrentBarrier.java:85) > at > org.apache.tapestry5.internal.services.CheckForUpdatesFilter.service(CheckForUpdatesFilter.java:103) > at $RequestHandler_12233f259e9.service($RequestHandler_12233f259e9.java) > at $RequestHandler_12233f259df.service($RequestHandler_12233f259df.java) > at > org.apache.tapestry5.services.TapestryModule$HttpServletRequestHandlerTerminator.service(TapestryModule.java:197) > at > org.apache.tapestry5.internal.gzip.GZipFilter.service(GZipFilter.java:53) > at > $HttpServletRequestHandler_12233f259e1.service($HttpServletRequestHandler_12233f259e1.java) > at > org.apache.tapestry5.internal.services.IgnoredPathsFilter.service(IgnoredPathsFilter.java:62) > at > $HttpServletRequestFilter_12233f259de.service($HttpServletRequestFilter_12233f259de.java) > at > $HttpServletRequestHandler_12233f259e1.service($HttpServletRequestHandler_12233f259e1.java) > at > org.apache.tapestry5.services.TapestryModule$2.service(TapestryModule.java:726) > at > $HttpServletRequestHandler_12233f259e1.service($HttpServletRequestHandler_12233f259e1.java) > at > $HttpServletRequestHandler_12233f259dc.service($HttpServletRequestHandler_12233f259dc.java) > at org.apache.tapestry5.TapestryFilter.doFilter(TapestryFilter.java:127) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1112) > at > com.dosalestrack.webapp.filters.SecurityFilter.doFilter(SecurityFilter.java:73) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1112) > at > org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:363) > at > org.mortbay.jetty.security.ConstraintsSecurityHandler.handle(ConstraintsSecurityHandler.java:220) > at > org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181) > at > org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:822) > at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:305) > at > org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:229) > at > org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:113) > at > org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) > at org.mortbay.jetty.Server.handle(Server.java:324) > at > org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:550) > at > org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:890) > at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:743) > at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:215) > at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:407) > at > org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:421) > at > org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:520) > > Here is my grid template: > <t:grid source="displayedCompanies" lean="true" t:id="companyList" > row="rowCompany" rowsPerPage="10" add="address" > include="companyName,active, contactPhone, > expirationDate,createdBy" > > reorder="active,companyName,contactPhone,expirationDate,createdBy,address" > > I can not understand why I got index error? How could I fix it. > Thanks. > -- > Haipeng Du > Salt Lake City >
