This is the stack trace
ERROR - RequestCycle - Index: 0, Size: 0
java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
at java.util.ArrayList.RangeCheck(Unknown Source)
at java.util.ArrayList.get(Unknown Source)
at
org.apache.wicket.markup.html.list.ListItemModel.getObject(ListItemModel.java:58)
at
org.apache.wicket.model.CompoundPropertyModel.getObject(CompoundPropertyModel.java:64)
at
org.apache.wicket.model.AbstractPropertyModel.getTarget(AbstractPropertyModel.java:193)
at
org.apache.wicket.model.AbstractPropertyModel.getObject(AbstractPropertyModel.java:114)
at
org.apache.wicket.Component.getDefaultModelObject(Component.java:1657)
at org.apache.wicket.Component$3.compare(Component.java:548)
at
org.apache.wicket.Component.setDefaultModelObject(Component.java:3044)
at
org.apache.wicket.markup.html.form.FormComponent.updateModel(FormComponent.java:1168)
at
org.apache.wicket.markup.html.form.Form$FormModelUpdateVisitor.component(Form.java:227)
at
org.apache.wicket.markup.html.form.FormComponent.visitComponentsPostOrderHelper(FormComponent.java:514)
at
org.apache.wicket.markup.html.form.FormComponent.visitComponentsPostOrderHelper(FormComponent.java:493)
at
org.apache.wicket.markup.html.form.FormComponent.visitComponentsPostOrderHelper(FormComponent.java:493)
at
org.apache.wicket.markup.html.form.FormComponent.visitComponentsPostOrderHelper(FormComponent.java:493)
at
org.apache.wicket.markup.html.form.FormComponent.visitComponentsPostOrder(FormComponent.java:465)
at
org.apache.wicket.markup.html.form.Form.internalUpdateFormComponentModels(Form.java:2081)
at
org.apache.wicket.markup.html.form.Form.updateFormComponentModels(Form.java:2049)
at org.apache.wicket.markup.html.form.Form.process(Form.java:1004)
at org.apache.wicket.markup.html.form.Form.process(Form.java:931)
at
org.apache.wicket.markup.html.form.Form.onFormSubmitted(Form.java:896)
at
org.apache.wicket.ajax.form.AjaxFormSubmitBehavior.onEvent(AjaxFormSubmitBehavior.java:135)
at
org.apache.wicket.ajax.AjaxEventBehavior.respond(AjaxEventBehavior.java:177)
at
org.apache.wicket.ajax.AbstractDefaultAjaxBehavior.onRequest(AbstractDefaultAjaxBehavior.java:286)
at
org.apache.wicket.request.target.component.listener.BehaviorRequestTarget.processEvents(BehaviorRequestTarget.java:119)
at
org.apache.wicket.request.AbstractRequestCycleProcessor.processEvents(AbstractRequestCycleProcessor.java:92)
at
org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1250)
at org.apache.wicket.RequestCycle.step(RequestCycle.java:1329)
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
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:286)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Unknown Source)
--
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