Unexpected RuntimeException

Last cause: null
WicketMessage: Method onRequest of interface org.apache.wicket.behavior.IBehaviorListener targeted at org.apache.wicket.ajax.markup.html.form.AjaxButton$1@5009046e on component [AjaxButton [Component id = set]] threw an exception


    Stacktrace

Root cause:

java.lang.ArrayIndexOutOfBoundsException

Complete stack:

org.apache.wicket.WicketRuntimeException: Method onRequest of interface org.apache.wicket.behavior.IBehaviorListener targeted at org.apache.wicket.ajax.markup.html.form.AjaxButton$1@5009046e on component [AjaxButton [Component id = set]] threw an exception
     at org.apache.wicket.RequestListenerInterface.internalInvoke(RequestListenerInterface.java:268)
     at org.apache.wicket.RequestListenerInterface.invoke(RequestListenerInterface.java:241)
     at org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler.invokeListener(ListenerInterfaceRequestHandler.java:250)
     at org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler.respond(ListenerInterfaceRequestHandler.java:236)
     at org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:890)
     at org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64)
     at org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:261)
     at org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:218)
     at org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:289)
     at org.apache.wicket.protocol.http.WicketFilter.processRequestCycle(WicketFilter.java:259)

java.lang.reflect.InvocationTargetException
     at sun.reflect.GeneratedMethodAccessor101.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
     at java.lang.reflect.Method.invoke(Method.java:497)
     at org.apache.wicket.RequestListenerInterface.internalInvoke(RequestListenerInterface.java:258)
     at org.apache.wicket.RequestListenerInterface.invoke(RequestListenerInterface.java:241)
     at org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler.invokeListener(ListenerInterfaceRequestHandler.java:250)
     at org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler.respond(ListenerInterfaceRequestHandler.java:236)
     at org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:890)
     at org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64)
     at org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:261)
     at org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:218)
     at org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:289)
     at org.apache.wicket.protocol.http.WicketFilter.processRequestCycle(WicketFilter.java:259)

display page view <./page?175-1.ILinkListener-displayPageViewLink>