Hi, We've got a problem in our application when using the back button. The click trail goes something like this: - User clicks on "search documents", which is a BookmarkablePageLink - User enters a couple of criteria and hits the search button => setResponsePage(SearchDocument.class, params <= encoded searchcriteria) Application displays a paginated list of documents with bookmarkablepagelinks to display detailed content about each document. User clicks on page two of n pages and then decides to look closer at a document by following the link to the detailed view. Application displays an overview of the document
Now if the user presses the back button in the application to go back to the search page, the page displays correctly but any following click result in this error message: Root cause: java.lang.IllegalArgumentException: object is not an instance of declaring class at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at java.lang.reflect.Method.invoke(Method.java:585) at org.apache.wicket.proxy.LazyInitProxyFactory$JdkHandler.invoke(LazyInitProxyFactory.java:402) at org.apache.wicket.proxy.$Proxy76.searchDocuments(Unknown Source) at x.document.page.document.search.AdvancedSearchDocument.search(AdvancedSearchDocument.java:156) at x.document.page.document.search.AbstractSearchDocument$1.load(AbstractSearchDocument.java:77) at org.apache.wicket.model.LoadableDetachableModel.getObject(LoadableDetachableModel.java:111) at x.document.component.ListDocumentPanel$2.isVisible(ListDocumentPanel.java:84) at org.apache.wicket.Component.isVisibleInHierarchy(Component.java:1794) at org.apache.wicket.markup.html.form.Form$3.onFormComponent(Form.java:726) at org.apache.wicket.markup.html.form.FormComponent$AbstractVisitor.formComponent(FormComponent.java:94) at org.apache.wicket.markup.html.form.FormComponent.visitFormComponentsPostOrderHelper(FormComponent.java:403) at org.apache.wicket.markup.html.form.FormComponent.visitFormComponentsPostOrderHelper(FormComponent.java:390) at org.apache.wicket.markup.html.form.FormComponent.visitFormComponentsPostOrderHelper(FormComponent.java:390) at org.apache.wicket.markup.html.form.FormComponent.visitFormComponentsPostOrder(FormComponent.java:368) at org.apache.wicket.markup.html.form.Form.visitFormComponentsPostOrder(Form.java:1004) at org.apache.wicket.markup.html.form.Form.loadPersistentFormComponentValues(Form.java:716) at org.apache.wicket.Page$9.component(Page.java:1502) at org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java:833) at org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java:848) at org.apache.wicket.Page.setFormComponentValuesFromCookies(Page.java:1497) at org.apache.wicket.Page.renderPage(Page.java:859) at org.apache.wicket.request.target.component.PageRequestTarget.respond(PageRequestTarget.java:64) at org.apache.wicket.request.AbstractRequestCycleProcessor.respond(AbstractRequestCycleProcessor.java:103) at org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1038) at org.apache.wicket.RequestCycle.step(RequestCycle.java:1108) at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1177) at org.apache.wicket.RequestCycle.request(RequestCycle.java:500) at org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:261) at org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:127) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084) at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:174) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:77) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:265) 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$VirtualFilterChain.doFilter(FilterChainProxy.java:275) at org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:110) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275) at org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:175) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275) at org.acegisecurity.ui.logout.LogoutFilter.doFilter(LogoutFilter.java:106) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275) at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:286) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275) at org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:149) at org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:98) at org.mortbay.jetty.servlet.ServletHandler$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:712) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405) 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$RequestHandler.headerComplete(HttpConnection.java:830) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:514) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:381) at org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:227) at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:442) We are pretty clueless to what's causing it but we're guessing that it's something we are doing wrong :) Any ideas? /regards Mats 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