Hi, I am this exception when editing an AjaxEditableLabel :
java.lang.IllegalAccessError: tried to access method org.apache.wicket.Component.onModelChanging()V from class org.apache.wicket.extensions.ajax.markup.html.AjaxEditableLabel$1 at org.apache.wicket.extensions.ajax.markup.html.AjaxEditableLabel$1.onModelChanging (AjaxEditableLabel.java:273) at org.apache.wicket.Component.modelChanging(Component.java:2058) at org.apache.wicket.Component.setModelObject(Component.java:2823) at org.apache.wicket.markup.html.form.FormComponent.updateModel( FormComponent.java:992) at org.apache.wicket.markup.html.form.FormComponent.processInput( FormComponent.java:874) at org.apache.wicket.extensions.ajax.markup.html.AjaxEditableLabel$EditorAjaxBehavior.respond (AjaxEditableLabel.java:121) at org.apache.wicket.ajax.AbstractDefaultAjaxBehavior.onRequest( AbstractDefaultAjaxBehavior.java:285) at org.apache.wicket.request.target.component.listener.BehaviorRequestTarget.processEvents (BehaviorRequestTarget.java:100) at org.apache.wicket.request.AbstractRequestCycleProcessor.processEvents (AbstractRequestCycleProcessor.java:90) at org.apache.wicket.RequestCycle.processEventsAndRespond( RequestCycle.java:1094) at org.apache.wicket.RequestCycle.step(RequestCycle.java:1169) at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1248) at org.apache.wicket.RequestCycle.request(RequestCycle.java:489) at org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java :354) at org.apache.wicket.protocol.http.WicketFilter.doFilter( WicketFilter.java:194) 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) -- AT(R)