815190 - FF17 breaks page editor in Site Executive 2011 CMS

Status: RESOLVED FIXED

(Tech Evangelism Graveyard :: English Other, defect)

Description

[Frankie]

Site Executive is a web-based web content management system. SE 2011 works in FF 2 through 16 (and IE 7-9). However, its WYSIWYG page editor errors out in FF 17 with:

Error: TypeError: document.getElementById(...) is null Source File: http://SITENAME/sm/tabmodule.cfm?CurrentMode=EDIT
Line: 153

I don't know if the real error is in SE or FF. I contacted the company a few weeks ago, but now that FF 17 is in live release I want to note the regression.

Comment 1

[Matthias Versen [:Matti]]

What happens if you open about:config, confirm the warning, right click in the content and select new-> string
Name: "general.useragent.override"
Value: "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/2012091204 Firefox/17.0"
(both without the quotes)

Restart Firefox and try it again.
Important: Don't forget to reset the newly created entry in about:config !

Comment 2

[Frankie]

Matti, thanks much for the spot-on suggestion. Yes, apparently the problem is userAgent sniffing, which chokes because the Gecko year string has been replaced with 17.

Site specific override fixes it.

Comment 3

[Frankie]

Company has released a patch for the bug.
http://support.siteexecutive.com/tech_notes/Firefox_17_editor_hotfix