From: Alexander Ebert <ebert@woltlab.com>
Date: Tue, 11 Jun 2013 23:36:13 +0000 (+0200)
Subject: Discarding meaningless error messages for AJAX requests
X-Git-Tag: 2.0.0_Beta_4~64^2~2
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c648d1385c6287496c04f1116c7be39c19adc9da;p=GitHub%2FWoltLab%2FWCF.git

Discarding meaningless error messages for AJAX requests

Some requests do not return anything, which is perfectly fine but causes empty error messages to be displayed.
---

diff --git a/wcfsetup/install/files/js/WCF.js b/wcfsetup/install/files/js/WCF.js
index 25c912838e..99c5278017 100755
--- a/wcfsetup/install/files/js/WCF.js
+++ b/wcfsetup/install/files/js/WCF.js
@@ -1863,7 +1863,11 @@ WCF.Action.Proxy = Class.extend({
 			
 			if (!this._suppressErrors && $showError !== false) {
 				var $message = (textStatus === 'timeout') ? WCF.Language.get('wcf.global.error.timeout') : jqXHR.responseText;
-				$('<div class="ajaxDebugMessage"><p>' + $message + '</p></div>').wcfDialog({ title: WCF.Language.get('wcf.global.error.title') });
+				
+				// validate if $message is neither empty nor 'undefined'
+				if ($message && $message != 'undefined') {
+					$('<div class="ajaxDebugMessage"><p>' + $message + '</p></div>').wcfDialog({ title: WCF.Language.get('wcf.global.error.title') });
+				}
 			}
 		}