Image on enwiki home page (today's featured image) fails to load with CORS violation.
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Authored By

	RoySmith
	Feb 23 2022, 12:17 AM

Description

Go to https://en.wikipedia.org/wiki/Main_Page#/media/File:Horse_anatomy.svg. You get the image appear briefly, then an error image:

Screen Shot 2022-02-22 at 7.14.08 PM.png (1×2 px, 159 KB)

Browser console says has a CORS error (see full listing below). This looks like another instance of T270209. It is size-dependent, so if you can't reproduce it, try making your window larger.

Error with Permissions-Policy header: Unrecognized feature: 'interest-cohort'.
VM252:1 This page is using the deprecated ResourceLoader module "jquery.tipsy".
mw.loader.implement.css @ VM252:1
runScript @ load.php?lang=en&modules=startup&
(anonymous) @ load.php?lang=en&modules=startup&
flushCssBuffer @ load.php?lang=en&modules=startup&
requestAnimationFrame (async)
addEmbeddedCSS @ load.php?lang=en&modules=startup&
execute @ load.php?lang=en&modules=startup&
doPropagation @ load.php?lang=en&modules=startup&
requestIdleCallback (async)
setAndPropagate @ load.php?lang=en&modules=startup&
implement @ load.php?lang=en&modules=startup&
(anonymous) @ VM251:1
domEval @ load.php?lang=en&modules=startup&
(anonymous) @ load.php?lang=en&modules=startup&
requestIdleCallback (async)
asyncEval @ load.php?lang=en&modules=startup&
work @ load.php?lang=en&modules=startup&
enqueue @ load.php?lang=en&modules=startup&
mw.loader.using @ VM248:344
(anonymous) @ VM248:27
requestIdleCallback (async)
(anonymous) @ VM248:27
runScript @ load.php?lang=en&modules=startup&
execute @ load.php?lang=en&modules=startup&
doPropagation @ load.php?lang=en&modules=startup&
requestIdleCallback (async)
setAndPropagate @ load.php?lang=en&modules=startup&
implement @ load.php?lang=en&modules=startup&
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:1
Main_Page#/media/File:Horse_anatomy.svg:1 Access to XMLHttpRequest at 'https://upload.wikimedia.org/wikipedia/commons/thumb/2/21/Horse_anatomy.svg/2880px-Horse_anatomy.svg.png' from origin 'https://en.wikipedia.org' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
load.php?lang=en&modules=mmv&skin=vector&version=18vq2:5          GET https://upload.wikimedia.org/wikipedia/commons/thumb/2/21/Horse_anatomy.svg/2880px-Horse_anatomy.svg.png net::ERR_FAILED 429
PL.record @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:5
Image.get @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:29
(anonymous) @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:105
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:49
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
add @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:47
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
Deferred @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
then @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
MMVP.fetchThumbnail @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:104
MMVP.fetchThumbnailForLightboxImage @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:104
MMVP.loadImage @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:96
MMVP.loadImageByTitle @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:99
route @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:106
OO.Router.checkRoute @ VM248:206
(anonymous) @ VM248:196
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:49
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
deferred.<computed> @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
(anonymous) @ VM248:190
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
deferred.<computed> @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
(anonymous) @ VM248:344
doPropagation @ load.php?lang=en&modules=startup&
requestIdleCallback (async)
setAndPropagate @ load.php?lang=en&modules=startup&
markModuleReady @ load.php?lang=en&modules=startup&
runScript @ load.php?lang=en&modules=startup&
(anonymous) @ load.php?lang=en&modules=startup&
flushCssBuffer @ load.php?lang=en&modules=startup&
requestAnimationFrame (async)
addEmbeddedCSS @ load.php?lang=en&modules=startup&
execute @ load.php?lang=en&modules=startup&
doPropagation @ load.php?lang=en&modules=startup&
requestIdleCallback (async)
setAndPropagate @ load.php?lang=en&modules=startup&
implement @ load.php?lang=en&modules=startup&
(anonymous) @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:1
Main_Page#/media/File:Horse_anatomy.svg:1 Access to image at 'https://upload.wikimedia.org/wikipedia/commons/thumb/2/21/Horse_anatomy.svg/2880px-Horse_anatomy.svg.png' from origin 'https://en.wikipedia.org' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
upload.wikimedia.org/wikipedia/commons/thumb/2/21/Horse_anatomy.svg/2880px-Horse_anatomy.svg.png:1          GET https://upload.wikimedia.org/wikipedia/commons/thumb/2/21/Horse_anatomy.svg/2880px-Horse_anatomy.svg.png net::ERR_FAILED 429
Image (async)
Image.rawGet @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:29
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:49
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
deferred.<computed> @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
request.onreadystatechange @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:5
XMLHttpRequest.send (async)
PL.record @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:5
Image.get @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:29
(anonymous) @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:105
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:49
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
add @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:47
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
Deferred @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
then @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
MMVP.fetchThumbnail @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:104
MMVP.fetchThumbnailForLightboxImage @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:104
MMVP.loadImage @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:96
MMVP.loadImageByTitle @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:99
route @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:106
OO.Router.checkRoute @ VM248:206
(anonymous) @ VM248:196
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:49
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
deferred.<computed> @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
(anonymous) @ VM248:190
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
deferred.<computed> @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
(anonymous) @ VM248:344
doPropagation @ load.php?lang=en&modules=startup&
requestIdleCallback (async)
setAndPropagate @ load.php?lang=en&modules=startup&
markModuleReady @ load.php?lang=en&modules=startup&
runScript @ load.php?lang=en&modules=startup&
(anonymous) @ load.php?lang=en&modules=startup&
flushCssBuffer @ load.php?lang=en&modules=startup&
requestAnimationFrame (async)
addEmbeddedCSS @ load.php?lang=en&modules=startup&
execute @ load.php?lang=en&modules=startup&
doPropagation @ load.php?lang=en&modules=startup&
requestIdleCallback (async)
setAndPropagate @ load.php?lang=en&modules=startup&
implement @ load.php?lang=en&modules=startup&
(anonymous) @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:1
load.php?lang=en&modules=mmv&skin=vector&version=18vq2:7 Refused to get unsafe header "X-Varnish"
PL.populateStatsFromXhr @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:7
PL.recordEntry @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:6
(anonymous) @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:9
setTimeout (async)
PL.recordEntryDelayed @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:9
request.onreadystatechange @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:5
XMLHttpRequest.send (async)
PL.record @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:5
Image.get @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:29
(anonymous) @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:105
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:49
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
add @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:47
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
Deferred @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
then @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
MMVP.fetchThumbnail @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:104
MMVP.fetchThumbnailForLightboxImage @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:104
(anonymous) @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:103
handleThen @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:19
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:49
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
deferred.<computed> @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
deferred.<computed> @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:49
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
deferred.<computed> @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:49
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:49
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
add @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:47
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
Deferred @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
then @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:49
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
add @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:47
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
Deferred @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
then @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:49
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
add @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:47
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
Deferred @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
then @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
deferred.<computed> @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
(anonymous) @ VM248:261
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
done @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:130
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:134
load (async)
send @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:134
ajax @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:129
ajax @ VM248:260
Api.ajax @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:1
get @ VM248:259
Api.apiGetWithMaxAge @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:20
(anonymous) @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:24
Api.getCachedPromise @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:20
ThumbnailInfo.get @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:24
(anonymous) @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:105
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:49
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:49
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:49
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
deferred.<computed> @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
img.onerror @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:29
error (async)
Image.rawGet @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:29
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:49
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
deferred.<computed> @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
request.onreadystatechange @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:5
XMLHttpRequest.send (async)
PL.record @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:5
Image.get @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:29
(anonymous) @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:105
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:49
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
add @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:47
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
Deferred @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
then @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
MMVP.fetchThumbnail @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:104
MMVP.fetchThumbnailForLightboxImage @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:104
MMVP.loadImage @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:96
MMVP.loadImageByTitle @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:99
route @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:106
OO.Router.checkRoute @ VM248:206
(anonymous) @ VM248:196
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:49
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
mightThrow @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
process @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
setTimeout (async)
(anonymous) @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:50
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
deferred.<computed> @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
(anonymous) @ VM248:190
fire @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:46
fireWith @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:48
deferred.<computed> @ load.php?lang=en&modules=jquery&skin=vector&version=bh3lo:51
(anonymous) @ VM248:344
doPropagation @ load.php?lang=en&modules=startup&
requestIdleCallback (async)
setAndPropagate @ load.php?lang=en&modules=startup&
markModuleReady @ load.php?lang=en&modules=startup&
runScript @ load.php?lang=en&modules=startup&
(anonymous) @ load.php?lang=en&modules=startup&
flushCssBuffer @ load.php?lang=en&modules=startup&
requestAnimationFrame (async)
addEmbeddedCSS @ load.php?lang=en&modules=startup&
execute @ load.php?lang=en&modules=startup&
doPropagation @ load.php?lang=en&modules=startup&
requestIdleCallback (async)
setAndPropagate @ load.php?lang=en&modules=startup&
implement @ load.php?lang=en&modules=startup&
(anonymous) @ load.php?lang=en&modules=mmv&skin=vector&version=18vq2:1

Related Objects

Mentioned In: T302419: Images on the front page need special handling to make sure they can render.
Mentioned Here: T200866: rsvg-convert times out while generating large thumbnails with heavy use of Gaussian blur
T270209: Image fails to load with CORS violation

Event Timeline

RoySmith created this task.Feb 23 2022, 12:17 AM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptFeb 23 2022, 12:17 AM

RoySmith renamed this task from Image o enwiki home page (today's featured image) fails to load with CORS violation. to Image on enwiki home page (today's featured image) fails to load with CORS violation..Feb 23 2022, 12:17 AM

RoySmith updated the task description. (Show Details)Feb 23 2022, 12:28 AM

Looks like the actual failing URL here is https://upload.wikimedia.org/wikipedia/commons/thumb/2/21/Horse_anatomy.svg/2880px-Horse_anatomy.svg.png. This is a larger-size thumbnail of an SVG that uses significant Gaussian blur, so from a Thumbor perspective this is a duplicate of T200866: rsvg-convert times out while generating large thumbnails with heavy use of Gaussian blur. If you think MediaViewer should handle the error condition differently, you can file a task for that.

Saddly I purged the file. Can be done by anyone (e.g. anonym IP) with ?action=purge . Don't repeat purging, because it can make it worse.

Now the current file just completely broke. :-( And it is on the main page of https://en.wikipedia.org/wiki/Main_Page

RoySmith mentioned this in T302419: Images on the front page need special handling to make sure they can render..Feb 23 2022, 5:12 PM

When a file description page is purged, the old thumbnails are removed from caching and cold storage (Swift). This is expected, otherwise purging wouldn't work as expected. The file was in failure throttling, which means no new attempts to thumbnail the file would be made for 1 hour. This is expected, otherwise requests for a broken file would cause a denial of service. If purging reset the failure throttle, it could be used in a DOS attack.

@AntiCompositeNumber Even the 120px-Preview in the filehistory on commons was not working till ~ half an hour after purging, and on the main page in en.wiki was a broken image.

I noticed that the preview on https://en.wikipedia.org/wiki/File:Horse_anatomy.svg worked about 10 minutes after purging, but on https://commons.wikimedia.org/wiki/File:Horse_anatomy.svg it needed half an hour? Local Browser-Page Refreshing & Local Browser-Cache-Purging did not help. Has every Wikipedia it's own png-thumbnails? (Or maybe I just mixed up something?)

Krinkle updated the task description. (Show Details)Mar 29 2022, 9:20 PM

	F34962418: Screen Shot 2022-02-22 at 7.14.08 PM.png
	Feb 23 2022, 12:17 AM

Image on enwiki home page (today's featured image) fails to load with CORS violation.Closed, DuplicatePublicActions

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Related Objects

Event Timeline

Image on enwiki home page (today's featured image) fails to load with CORS violation.
Closed, DuplicatePublic
Actions