Wicket does not support back button for Ajax application out of the box.
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On Fri, Oct 22, 2010 at 12:53 PM, drf <davidrfi...@gmail.com> wrote:

>
> I have encountered the following serious issue:
>
> My application consists of one WebPage which has an AjaxTabbedPanel. Each
> tab has an associated panel which includes several menu items (links) which
> can be selected. This works well.
> However, if the user selects the back-button (once back, then once forward)
> they can come back to the page with a different tab displayed than the one
> selected before the back-button was used. If a menu link is then clicked
> on,
> an exception is thrown. This appears to be because the Wicket on the server
> is now out of synch with the html displayed. Wicket thinks a different
> panel
> is selected than the one the user sees now.
>
> This appears to be a fundamental Wicket problem/issue - apart from
> disabling
> the back button, what are the available approaches?
>
> Here is the stacktrace:
> WicketMessage: org.apache.wicket.WicketRuntimeException: component
> tabs:panel:subItem_account_balance_summary not found on page
> com.drf.hapoalim.gui.menus.TabsDefinitionPage[id = 8], listener interface =
> [RequestListenerInterface name=IBehaviorListener, method=public abstract
> void org.apache.wicket.behavior.IBehaviorListener.onRequest()]
> Root cause:
> org.apache.wicket.WicketRuntimeException: component
> tabs:panel:subItem_account_balance_summary not found on page
> com.drf.hapoalim.gui.menus.TabsDefinitionPage[id = 8], listener interface =
> [RequestListenerInterface name=IBehaviorListener, method=public abstract
> void org.apache.wicket.behavior.IBehaviorListener.onRequest()]
     at
>
> org.apache.wicket.request.AbstractRequestCycleProcessor.resolveListenerInterfaceTarget(AbstractRequestCycleProcessor.java:426)
> at
>
> org.apache.wicket.request.AbstractRequestCycleProcessor.resolveRenderedPage(AbstractRequestCycleProcessor.java:471)
> at
>
> org.apache.wicket.protocol.http.WebRequestCycleProcessor.resolve(WebRequestCycleProcessor.java:144)
> at org.apache.wicket.RequestCycle.step(RequestCycle.java:1310)
     at
> org.apache.wicket.RequestCycle.steps(RequestCycle.java:1428)
     at
> org.apache.wicket.RequestCycle.request(RequestCycle.java:545)
     at
> org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:479)
> at
>
> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:312)
> 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:233)
> at
>
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
> at
>
> com.springsource.insight.collection.tcserver.request.HttpRequestOperationCollectionValve.invoke(HttpRequestOperationCollectionValve.java:60)
> at
>
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at
>
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
> at
>
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at
>
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
> at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
> at
>
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
> at
>
> org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:379)
> at
>
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
>
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:637)
> Complete stack:
> org.apache.wicket.protocol.http.request.InvalidUrlException:
> org.apache.wicket.WicketRuntimeException: component
> tabs:panel:subItem_account_balance_summary not found on page
> com.drf.hapoalim.gui.menus.TabsDefinitionPage[id = 8], listener interface =
> [RequestListenerInterface name=IBehaviorListener, method=public abstract
> void org.apache.wicket.behavior.IBehaviorListener.onRequest()]
     at
>
> org.apache.wicket.protocol.http.WebRequestCycleProcessor.resolve(WebRequestCycleProcessor.java:262)
> at org.apache.wicket.RequestCycle.step(RequestCycle.java:1310)
     at
> org.apache.wicket.RequestCycle.steps(RequestCycle.java:1428)
     at
> org.apache.wicket.RequestCycle.request(RequestCycle.java:545)
     at
> org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:479)
>
> --
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