Last modified: 2012-05-03 02:42:44 UTC

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Bug 34517 - Sometimes scripts imported by mw.loader.load on common.js are not executed


Summary:	Sometimes scripts imported by mw.loader.load on common.js are not executed

Status:	RESOLVED WORKSFORME

Product:	MediaWiki
Classification:	Unclassified
Component:	JavaScript (Other open bugs)
Version:	unspecified
Hardware:	All All

Importance:	Highest normal (vote)
Target Milestone:	1.19.0 release
Assigned To:	Nobody - You can work on this!

URL:	https://www.mediawiki.org/w/index.php...
Whiteboard:
Keywords:

Depends on:
Blocks:	31217
	Show dependency tree / graph

Reported:	2012-02-19 16:12 UTC by Helder
Modified:	2012-05-03 02:42 UTC (History)
CC List:	6 users (show)

See Also:
Web browser:	---
Mobile Platform:	---
Assignee Huggle Beta Tester:	---

Attachments
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Description Helder 2012-02-19 16:12:09 UTC

After MediaWiki.org was updated to MW 1.19 I noticed my global scripts were not being loaded sometimes.

I replaced the content of [[mw:Project:Sandbox]] by the code
----
window.console.log( 'ok' );
----

and added
----
mw.loader.load( '//www.mediawiki.org/w/index.php?title=Project:Sandbox&oldid=501326&action=raw&ctype=text/javascript&smaxage=21600&maxage=86400' );
----

to [[mw:Special:MyPage/common.js]]. When I opened [[mw:Special:Random]] a few times, I was expecting to always get the "ok" message in the error console, but this only happened some times. When it didn't, a SHIFT+Reload solved the problem for that page, but then if a opened another random page the problem is back again.

I've reproduced this on Google Chrome 17.0.963.56 and Firefox 10.0.2.

Comment 1 Helder 2012-02-19 17:42:09 UTC

I noticed the same behavior when loading
https://meta.wikimedia.org/wiki/special:random
on metawiki but it do not happens if I use either
https://meta.wikimedia.org/wiki/special:random?debug=1
or
https://www.mediawiki.org/wiki/special:random?debug=1

Comment 2 Michael M. 2012-02-22 09:01:52 UTC

Can you check whether there are warnings in the web console saying "A call to document.write() from an asynchronously-loaded external script was ignored."? If so then this bug and bug 34542 are duplicates and the document.write()-call done by mw.loader.load is to blame for this bug.

Comment 3 Helder 2012-02-22 13:10:56 UTC

I'm not able to reproduce this anymore. Closing for now.

Comment 4 Mark A. Hershberger 2012-02-22 17:02:49 UTC

Agreed.  Can't reproduce.

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