On Tue, Dec 6, 2011 at 5:41 PM, cosmindumy <cosmind...@yahoo.com> wrote: > Hi, > I have a problem wih AjaxFallbackLink on IE. I have a captcha image and I > want when I click on image to chage the image. > Everything worked fine, but I noted on another machine that on my production > server on IE when I click on image I got a null pointer exception. The > problem is that on my development machine I don't get the exception and i > cannot reproduce this bug. This doesn't happen on FF or Chrome, nor on IE > on my computer. > Does anyone know wich can be the cause. Here is the code: > > @Override > public void onClick(AjaxRequestTarget target) > { > captchaImageResource = new CaptchaImageResource(); > captchaImage.setImageResource(captchaImageResource); > > equalInputValidator.setFieldValue(captchaImageResource.getChallengeId()); > target.addComponent(captchaImage); > }
which line is Registration.java:787 ? > > and a part of stacktrace : > > org.apache.wicket.WicketRuntimeException: Method onLinkClicked of interface > org.apache.wicket.markup.html.link.ILinkListener targeted at component > [MarkupContainer [Component id = changepicture]] threw an exception > at > org.apache.wicket.RequestListenerInterface.invoke(RequestListenerInterface.java:193) > at > org.apache.wicket.request.target.component.listener.ListenerInterfaceRequestTarget.processEvents(ListenerInterfaceRequestTarget.java:73) > at > org.apache.wicket.request.AbstractRequestCycleProcessor.processEvents(AbstractRequestCycleProcessor.java:92) > at > org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1252)... > . > . > Caused by: java.lang.NullPointerException > at > com.lingo24.orderingsystem.customer.web.wicket.registration.Registration$CaptchaImageFallbackLink.onClick(Registration.java:787) > at > org.apache.wicket.ajax.markup.html.AjaxFallbackLink.onClick(AjaxFallbackLink.java:119) > at org.apache.wicket.markup.html.link.Link.onLinkClicked(Link.java:225) > > > -- > View this message in context: > http://apache-wicket.1842946.n4.nabble.com/problems-with-AjaxFallbackLink-on-IE-tp4165457p4165457.html > Sent from the Users forum 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 > -- Martin Grigorov jWeekend Training, Consulting, Development http://jWeekend.com --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org