org.apache.wicket.WicketRuntimeException: No get method defined for class: class org.apache.wicket.proxy.$Proxy66 expression: instrument

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org.apache.wicket.WicketRuntimeException: No get method defined for class: class org.apache.wicket.proxy.$Proxy66 expression: instrument
at org.apache.wicket.util.lang.PropertyResolver.getGetAndSetter(PropertyResolver.java:440)
at org.apache.wicket.util.lang.PropertyResolver.getObjectAndGetSetter(PropertyResolver.java:282)
at org.apache.wicket.model.AbstractPropertyModel.getObject(AbstractPropertyModel.java:113)
at org.apache.wicket.Component.getModelObject(Component.java:1558)
at org.apache.wicket.Component.getModelObjectAsString(Component.java:1580)
at org.apache.wicket.markup.html.form.FormComponent.getModelValue(FormComponent.java:1284)
at org.apache.wicket.markup.html.form.FormComponent.getValue(FormComponent.java:797)
at org.apache.wicket.markup.html.form.TextField.onComponentTag(TextField.java:100)
at org.apache.wicket.Component.renderComponent(Component.java:2451)
at org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1411)
at org.apache.wicket.Component.render(Component.java:2317)
at org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1297)
at org.apache.wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:1476)
at org.apache.wicket.MarkupContainer.onComponentTagBody(MarkupContainer.java:1401)
at org.apache.wicket.markup.html.panel.Fragment.renderFragment(Fragment.java:278)
at org.apache.wicket.markup.html.panel.Fragment.onComponentTagBody(Fragment.java:206)
at org.apache.wicket.Component.renderComponent(Component.java:2480)
at org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1411)
at org.apache.wicket.Component.render(Component.java:2317)
at org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1297)
at org.apache.wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:1476)
at org.apache.wicket.MarkupContainer.onComponentTagBody(MarkupContainer.java:1401)
at org.apache.wicket.Component.renderComponent(Component.java:2480)
at org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1411)
at org.apache.wicket.Component.render(Component.java:2317)
at org.apache.wicket.markup.repeater.AbstractRepeater.renderChild(AbstractRepeater.java:119)
at org.apache.wicket.markup.repeater.AbstractRepeater.onRender(AbstractRepeater.java:100)
at org.apache.wicket.Component.render(Component.java:2317)
at org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1297)
at org.apache.wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:1476)
at org.apache.wicket.MarkupContainer.renderAssociatedMarkup(MarkupContainer.java:639)
at org.apache.wicket.markup.html.panel.Panel.onComponentTagBody(Panel.java:112)
at org.apache.wicket.Component.renderComponent(Component.java:2480)
at org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1411)
at org.apache.wicket.Component.render(Component.java:2317)
at org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1297)
at org.apache.wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:1476)
at org.apache.wicket.MarkupContainer.renderAssociatedMarkup(MarkupContainer.java:639)
at org.apache.wicket.markup.html.panel.Panel.onComponentTagBody(Panel.java:112)
at org.apache.wicket.Component.renderComponent(Component.java:2480)
at org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1411)
at org.apache.wicket.Component.render(Component.java:2317)
at org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1297)
at org.apache.wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:1476)
at org.apache.wicket.MarkupContainer.renderAssociatedMarkup(MarkupContainer.java:639)
at org.apache.wicket.markup.html.panel.Panel.onComponentTagBody(Panel.java:112)
at org.apache.wicket.Component.renderComponent(Component.java:2480)
at org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1411)
at org.apache.wicket.Component.render(Component.java:2317)
at org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1297)
at org.apache.wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:1476)
at org.apache.wicket.MarkupContainer.onComponentTagBody(MarkupContainer.java:1401)
at org.apache.wicket.markup.html.form.Form.onComponentTagBody(Form.java:1710)
at org.apache.wicket.Component.renderComponent(Component.java:2480)
at org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1411)
at org.apache.wicket.markup.html.form.Form.onRender(Form.java:1774)
at org.apache.wicket.Component.render(Component.java:2317)
at org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1297)
at org.apache.wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:1476)
at org.apache.wicket.MarkupContainer.renderAssociatedMarkup(MarkupContainer.java:639)
at org.apache.wicket.markup.html.panel.Panel.onComponentTagBody(Panel.java:112)
at org.apache.wicket.Component.renderComponent(Component.java:2480)
at org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1411)
at org.apache.wicket.Component.render(Component.java:2317)
at org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1297)
at org.apache.wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:1476)
at org.apache.wicket.MarkupContainer.renderAssociatedMarkup(MarkupContainer.java:639)
at org.apache.wicket.markup.html.panel.Panel.onComponentTagBody(Panel.java:112)
at org.apache.wicket.Component.renderComponent(Component.java:2480)
at org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1411)
at org.apache.wicket.Component.render(Component.java:2317)
at org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1297)
at org.apache.wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:1476)
at org.apache.wicket.MarkupContainer.onComponentTagBody(MarkupContainer.java:1401)
at org.apache.wicket.Component.renderComponent(Component.java:2480)
at org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1411)
at org.apache.wicket.Component.render(Component.java:2317)
at org.apache.wicket.MarkupContainer.autoAdd(MarkupContainer.java:223)
at org.apache.wicket.markup.resolver.MarkupInheritanceResolver.resolve(MarkupInheritanceResolver.java:66)
at org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1324)
at org.apache.wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:1476)
at org.apache.wicket.MarkupContainer.onComponentTagBody(MarkupContainer.java:1401)
at org.apache.wicket.Component.renderComponent(Component.java:2480)
at org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1411)
at org.apache.wicket.Component.render(Component.java:2317)
at org.apache.wicket.MarkupContainer.autoAdd(MarkupContainer.java:223)
at org.apache.wicket.markup.resolver.MarkupInheritanceResolver.resolve(MarkupInheritanceResolver.java:73)
at org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1324)
at org.apache.wicket.MarkupContainer.renderAll(MarkupContainer.java:1427)
at org.apache.wicket.Page.onRender(Page.java:1470)
at org.apache.wicket.Component.render(Component.java:2317)
at org.apache.wicket.request.target.component.PageRequestTarget.respond(PageRequestTarget.java:63)
at org.apache.wicket.request.AbstractRequestCycleProcessor.respond(AbstractRequestCycleProcessor.java:104)
at org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1181)
at org.apache.wicket.RequestCycle.step(RequestCycle.java:1252)
at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1353)
at org.apache.wicket.RequestCycle.request(RequestCycle.java:493)
at org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:355)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1148)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:387)
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:765)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:417)
at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
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:535)
at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:865)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:539)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)

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