Thumbor thumbnail image request fails with error Too Many Requests
Closed, DuplicatePublicBUG REPORT
Actions

Assigned To

None

Authored By

	Hawkeye7
	Mar 24 2025, 6:55 PM

Description

Steps to replicate the issue (include links if applicable):

Wikipedia page https://en.wikipedia.org/wiki/Attack_at_Fromelles has an image in the infobox.
The HTML is: <img src="upload.wikimedia.org/wikipedia/commons/thumb/a/a5/NYTMapNeuveChapelle1915.png/270px-NYTMapNeuveChapelle1915.png" decoding="async" width="270" height="334" class="mw-file-element" srcset="upload.wikimedia.org/wikipedia/commons/thumb/a/a5/NYTMapNeuveChapelle1915.png/405px-NYTMapNeuveChapelle1915.png 1.5x, //upload.wikimedia.org/wikipedia/commons/a/a5/NYTMapNeuveChapelle1915.png 2x" data-file-width="480" data-file-height="593">
Try each of these three links; the first two will fail
- //upload.wikimedia.org/wikipedia/commons/thumb/a/a5/NYTMapNeuveChapelle1915.png/270px-NYTMapNeuveChapelle1915.png
- //upload.wikimedia.org/wikipedia/commons/thumb/a/a5/NYTMapNeuveChapelle1915.png/405px-NYTMapNeuveChapelle1915.png
The third will succeed:
- //upload.wikimedia.org/wikipedia/commons/a/a5/NYTMapNeuveChapelle1915.png

What happens?:
Error Too Many Requests - Request served via cp5026 cp5026, Varnish XID 574968787 Upstream caches: cp5026 int Error: 429, Too Many Requests at Mon, 24 Mar 2025 04:49:34 GMT

What should have happened instead?:
Image should have been served

Software version (on Special:Version page; skip for WMF-hosted wikis like Wikipedia):

Other information (browser name/version, screenshots, etc.):
See discussion as https://en.wikipedia.org/w/index.php?title=Wikipedia:Village_pump_(technical)&curid=3252662&diff=1282153591&oldid=1282151636

Related Objects

Mentioned Here: T285875: Thumbor fails to render PNG with "Failed to convert image convert: IDAT: invalid distance too far back", returns 429 "Too Many Requests"
T389539: Upload stack fails to upload to both swift clusters or inform uploader of said failure

Event Timeline

Hawkeye7 created this task.Mar 24 2025, 6:55 PM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptMar 24 2025, 6:55 PM

Hawkeye7 renamed this task from Thumbor imgae request fails with error Too Many Requests to Thumbor thumbnail image request fails with error Too Many Requests.Mar 24 2025, 6:56 PM

DMacks subscribed.Mar 24 2025, 7:54 PM

(FWIW, I tried it with a new IP to avoid this and I got 500 instead of 429)

The original exists in both datacenters so this ticket is not another instance of T389539: Upload stack fails to upload to both swift clusters or inform uploader of said failure.

root@ms-fe2009:~# swift stat wikipedia-commons-local-public.a5 a/a5/NYTMapNeuveChapelle1915.png
               Account: AUTH_mw
             Container: wikipedia-commons-local-public.a5
                Object: a/a5/NYTMapNeuveChapelle1915.png
          Content Type: image/png
        Content Length: 60014
         Last Modified: Fri, 10 Oct 2014 18:51:33 GMT
                  ETag: db0eaa450332ac52449d760f4ca33a74
       Meta Sha1Base36: 4whk7nnnsbdec1moy6r10l3nlsua6eg
           X-Timestamp: 1412967092.45318
         Accept-Ranges: bytes
            X-Trans-Id: tx796676e3a22c431b8a62e-0067e1e66c
X-Openstack-Request-Id: tx796676e3a22c431b8a62e-0067e1e66c

and

root@ms-fe1009:~# swift stat wikipedia-commons-local-public.a5 a/a5/NYTMapNeuveChapelle1915.png
               Account: AUTH_mw
             Container: wikipedia-commons-local-public.a5
                Object: a/a5/NYTMapNeuveChapelle1915.png
          Content Type: image/png
        Content Length: 60014
         Last Modified: Sun, 06 Oct 2013 11:54:46 GMT
                  ETag: db0eaa450332ac52449d760f4ca33a74
       Meta Sha1Base36: 4whk7nnnsbdec1moy6r10l3nlsua6eg
           X-Timestamp: 1381060485.83424
         Accept-Ranges: bytes
            X-Trans-Id: tx1f14dafa1bfc44b386c43-0067e1e68b
X-Openstack-Request-Id: tx1f14dafa1bfc44b386c43-0067e1e68b

$  display NYTMapNeuveChapelle1915.png
display: IDAT: invalid distance too far back `NYTMapNeuveChapelle1915.png' @ error/png.c/MagickPNGError/1305.

This is T285875: Thumbor fails to render PNG with "Failed to convert image convert: IDAT: invalid distance too far back", returns 429 "Too Many Requests". Fixed with pngfix.

AntiCompositeNumber closed this task as a duplicate of T285875: Thumbor fails to render PNG with "Failed to convert image convert: IDAT: invalid distance too far back", returns 429 "Too Many Requests".Mar 24 2025, 11:54 PM

Thumbor thumbnail image request fails with error Too Many RequestsClosed, DuplicatePublicBUG REPORTActions

Description

Related Objects

Event Timeline

Thumbor thumbnail image request fails with error Too Many Requests
Closed, DuplicatePublicBUG REPORT
Actions