Last modified: 2013-10-31 14:13:13 UTC

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Bug 56279 - Chrome only, intermittent, no repro: first page sometimes fails to load
Chrome only, intermittent, no repro: first page sometimes fails to load
Status: RESOLVED INVALID
Product: MediaWiki extensions
Classification: Unclassified
UploadWizard (Other open bugs)
unspecified
All All
: Normal normal (vote)
: ---
Assigned To: Nobody - You can work on this!
: browser-test-bug
Depends on:
Blocks:
  Show dependency treegraph
 
Reported: 2013-10-28 21:18 UTC by Chris McMahon
Modified: 2013-10-31 14:13 UTC (History)
5 users (show)

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


Attachments
spinner still there after 15 seconds (75.21 KB, image/png)
2013-10-28 21:18 UTC, Chris McMahon
Details

Description Chris McMahon 2013-10-28 21:18:31 UTC
Created attachment 13609 [details]
spinner still there after 15 seconds

Seen intermittently in Chrome only in automated tests.  No consistent reproduction strategy or likely circumstances cause it. 

After logging in, on some occasions the first page of UW never appears, the test just sees a spinner forever. 

Since the test loads UploadWizard very quickly after login completes, this may be a race condition of some sort. 

Firefox seems immune.
Comment 1 Chris McMahon 2013-10-30 14:54:34 UTC
I analyzed the pattern of errors for the last 5 failed test runs.  UploadWizard in the automated tests has a problem roughly 50% of the time, as you can see at https://wmf.ci.cloudbees.com/job/browsertests-commons.wikimedia.beta.wmflabs.org-linux-chrome/

Each of the failed tests incurred errors during the run.  While I do not know that these errors are in fact the cause of the bug where the first page does not showing up, I suspect it may be.  Below is the build number, date, and the errors found during the run of the last five failed tests: 


421 Oct 30
network log: [304 Not Modified] GET http://commons.wikimedia.beta.wmflabs.org/w/index.php?title=MediaWiki:CollapsibleTemplates.js&action=raw&ctype=text/javascript
view data
 	
javascript error: Uncaught SyntaxError: Unexpected end of input
 	
javascript error: Uncaught SyntaxError: Unexpected token ILLEGAL

419 Oct 29
	
network log: Sending: GET http://commons.wikimedia.beta.wmflabs.org/w/index.php?action=raw&ctype=text/css&title=MediaWiki:CollapsibleTemplates.css
 	
javascript error: Uncaught SyntaxError: Unexpected token ILLEGAL


417 Oct 28
network log: [200 OK] GET http://bits.beta.wmflabs.org/commons.wikimedia.beta.wmflabs.org/load.php?debug=false&lang=en&modules=ext.centralNotice.bannerController%7Cext.centralauth.centralautologin.clearcookie%7Cext.uls.i18n%2Cime%2Cinit%2Cinterface%2Clanguagenames%2Cpreferences%2Cwebfonts%7Cext.uls.webfonts.repository%7Cjquery.client%2Ccookie%2CdelayedBind%2Ci18n%2CjStorage%2Cjson%2CmwExtension%2Ctipsy%2Culs%2Cwebfonts%7Cjquery.uls.data%2Cgrid%7Cmediawiki.Uri%2Capi%2Cnotify%2Cuser%2Cutil%7Cmediawiki.legacy.ajax%2Cwikibits%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.startup%7Cskins.vector.js%7Cwikibase.client.init&skin=vector&version=20131028T152930Z&*
view data
 	
javascript error: Uncaught SyntaxError: Unexpected end of input

416 Oct 28
network log: [304 Not Modified] GET http://commons.wikimedia.beta.wmflabs.org/w/index.php?title=MediaWiki:CollapsibleTemplates.js&action=raw&ctype=text/javascript
view data
 	
javascript error: Uncaught SyntaxError: Unexpected token ILLEGAL
 	
javascript error: Uncaught SyntaxError: Unexpected token ILLEGAL
 	
javascript error: Uncaught SyntaxError: Unexpected end of input

413 Oct 26
 	
network log: [200 OK] GET http://bits.beta.wmflabs.org/commons.wikimedia.beta.wmflabs.org/load.php?debug=false&lang=en&modules=ext.centralNotice.bannerController%7Cext.centralauth.centralautologin.clearcookie%7Cext.uls.i18n%2Cime%2Cinit%2Cinterface%2Clanguagenames%2Cpreferences%2Cwebfonts%7Cext.uls.webfonts.repository%7Cjquery.client%2Ccookie%2CdelayedBind%2Ci18n%2CjStorage%2Cjson%2CmwExtension%2Ctipsy%2Culs%2Cwebfonts%7Cjquery.uls.data%2Cgrid%7Cmediawiki.Uri%2Capi%2Cnotify%2Cuser%2Cutil%7Cmediawiki.legacy.ajax%2Cwikibits%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.startup%7Cskins.vector.js%7Cwikibase.client.init&skin=vector&version=20131026T061711Z&*
view data
 	
javascript error: Uncaught SyntaxError: Unexpected end of input
Comment 2 Chris McMahon 2013-10-31 14:13:13 UTC
this is a config problem in beta labs

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