Last modified: 2008-11-09 00:16:12 UTC

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Bug 16286 - Stale thumbnails for recently reuploaded image, purging doesn't help
Stale thumbnails for recently reuploaded image, purging doesn't help
Status: RESOLVED FIXED
Product: Wikimedia
Classification: Unclassified
General/Unknown (Other open bugs)
unspecified
All All
: Normal normal (vote)
: ---
Assigned To: Nobody - You can work on this!
http://upload.wikimedia.org/wikipedia...
:
Depends on:
Blocks:
  Show dependency treegraph
 
Reported: 2008-11-08 22:56 UTC by Ilmari Karonen
Modified: 2008-11-09 00:16 UTC (History)
1 user (show)

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


Attachments

Description Ilmari Karonen 2008-11-08 22:56:07 UTC
It's weekend and #wikimedia-tech is empty as usual, so I'm filing this so that someone can look at it later.  Anyway, I reuploaded a new version of [[commons:Image:Wikipedia favicon in Firefox on KDE.png]] at 14:48, 8 November 2008.  As of this writing (8 hour later), however, the cached thumbnails for the image still show the old version.  I've tried action=purge and clearing my browser cache several times to no avail.

The HTTP headers I'm receiving for the 300px thumbnail (see URL) are:

200 OK
Connection: close
Date: Sat, 08 Nov 2008 22:44:38 GMT
Via: 1.0 sq48.wikimedia.org:3128 (squid/2.6.STABLE21), 1.0 knsq16.knams.wikimedia.org:3128 (squid/2.6.STABLE21), 1.0 knsq8.knams.wikimedia.org:80 (squid/2.6.STABLE21)
Accept-Ranges: bytes
Age: 394
ETag: "dfe7-4915f9b8"
Server: Sun-Java-System-Web-Server/7.0
Content-Length: 57319
Content-Type: image/png
Last-Modified: Sat, 08 Nov 2008 20:42:32 GMT
Client-Date: Sat, 08 Nov 2008 22:51:12 GMT
Client-Peer: 91.198.174.3:80
Client-Response-Num: 1
X-Cache: MISS from sq48.wikimedia.org
X-Cache: HIT from knsq16.knams.wikimedia.org
X-Cache: MISS from knsq8.knams.wikimedia.org
X-Cache-Lookup: HIT from sq48.wikimedia.org:3128
X-Cache-Lookup: HIT from knsq16.knams.wikimedia.org:3128
X-Cache-Lookup: MISS from knsq8.knams.wikimedia.org:80

Curiously, the Last-Modified header seems to suggest that the thumbnail _is_ being regenerated after each purge, but that it's just being regenerated from the wrong version.  On the other hand, the full-size link gives the new version as it should.
Comment 1 Ilmari Karonen 2008-11-09 00:16:12 UTC
Seems to be working now.  Per some comments on IRC, it seems to have been a buggy custom thumb handler that's been fixed since.  Closing.

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