[WICKET-2394] KittenCaptcha example broken

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.4-M1, 1.4-M2, 1.4-M3, 1.4-RC1, 1.4-RC2, 1.4-RC3, 1.4-RC4, 1.4-RC5, 1.4-RC6, 1.4-RC7
• Fix Version/s: 1.4.0
• Component/s: wicket

Environment

Server & Browsers running on:
Linux DLKA-59HZ13J 2.6.28-13-generic #45-Ubuntu SMP Tue Jun 30 19:49:51 UTC 2009 i686 GNU/Linux

Browser: Firefox and Konqueror

URL: http://svn.apache.org/repos/asf/wicket/trunk
Repository Root: http://svn.apache.org/repos/asf
Repository UUID: 13f79535-47bb-0310-9956-ffa450edef68
Revision: 796623

• Assignee: Igor Vaynberg
• Reporter: Martin Funk
• Created: 23/Jul/09 16:46
• Updated: 23/Jul/09 17:42
• Resolved: 23/Jul/09 17:42

Description

KittenCaptcha example broken

Nullpointer thrown

ERROR - RequestCycle -
java.lang.NullPointerException
at org.apache.wicket.extensions.captcha.kittens.KittenCaptchaPanel$2.onEvent(KittenCaptchaPanel.java:183)
at org.apache.wicket.ajax.AjaxEventBehavior.respond(AjaxEventBehavior.java:177)
at org.apache.wicket.ajax.AbstractDefaultAjaxBehavior.onRequest(AbstractDefaultAjaxBehavior.java:299)

Following diff does the trick. But maybe this is platform dependent as I currently can test undre linux environment.

Index: src/main/java/org/apache/wicket/extensions/captcha/kittens/KittenCaptchaPanel.java
===================================================================
— src/main/java/org/apache/wicket/extensions/captcha/kittens/KittenCaptchaPanel.java (revision 796623)
+++ src/main/java/org/apache/wicket/extensions/captcha/kittens/KittenCaptchaPanel.java (working copy)
@@ -170,7 +170,7 @@
// ajax request passing in mouse co-ordinates
return generateCallbackScript("showLoadingIndicator(); wicketAjaxGet('" +
getCallbackUrl(onlyTargetActivePage) +

• "&x=' + getEventX(this, event) + '&y=' + getEventY(this, event)");
  + "&x=' + getEventX(this, event) + '&y=' + getEventY(this, event)");
  }

@SuppressWarnings("unchecked")