if you fix the NullPointerException in your ErrorPage the original RuntimeException (which would possibly tell you what you were doing wrong) might had a chance to get through
regards, Michael insom wrote: > > I'm trying to apply the concepts found here: > http://cwiki.apache.org/confluence/display/WICKET/Calling+Wicket+from+Javascript > . The code for my very simple test case is below. When I load the page, I > expect to see "hi" printed to my console. Instead I get a > NullPointerException (also shown below). What am I doing wrong? > > public class AjaxTestPage extends WebPage implements IHeaderContributor { > > final AbstractDefaultAjaxBehavior behave = new > AbstractDefaultAjaxBehavior() { > @Override > protected void respond(AjaxRequestTarget target) { > System.out.println("hi"); > } > }; > > public AjaxTestPage() { > add(behave); > } > > @Override > public void renderHead(IHeaderResponse response) { > response.renderOnLoadJavascript( > " wicketAjaxGet('" + behave.getCallbackUrl() + > "', function() { }, > function() { }); " > ); > } > } > > > java.lang.NullPointerException > at com.insom.ErrorPage.<init>(ErrorPage.java:19) > at > com.insom.MyWebRequestCycle.onRuntimeException(MyWebRequestCycle.java:24) > at > org.apache.wicket.request.AbstractRequestCycleProcessor.onRuntimeException(AbstractRequestCycleProcessor.java:217) > at > org.apache.wicket.request.AbstractRequestCycleProcessor.respond(AbstractRequestCycleProcessor.java:119) > at org.apache.wicket.RequestCycle.step(RequestCycle.java:1302) > at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1353) > at org.apache.wicket.RequestCycle.request(RequestCycle.java:497) > at > org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:387) > at > org.apache.wicket.protocol.http.WicketServlet.doGet(WicketServlet.java:124) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:690) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) > 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:175) > at > org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525) > 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:844) > 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(Thread.java:619) > > ----- Michael Sparer http://techblog.molindo.at -- View this message in context: http://www.nabble.com/Implementing-the-cwiki%27s-%22Calling-Wicket-from-Javascript%22-tp21815652p21816483.html Sent from the Wicket - User mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
