Hi Jukka, It seems your documentation search skills are better than mine! That does the trick.
Cheers, Daniel On Tue, 10 Sept 2024 at 15:10, Rahkonen Jukka < jukka.rahko...@maanmittauslaitos.fi> wrote: > Hi, > > > > Have you tried with configuration option “CPL_VSIL_CURL_USE_HEAD=[YES/NO]: > Defaults to YES. Controls whether to use a HEAD request when opening a > remote URL.” > > > > -Jukka Rahkonen- > > > > *Lähettäjä:* gdal-dev <gdal-dev-boun...@lists.osgeo.org> *Puolesta *Daniel > Evans via gdal-dev > *Lähetetty:* tiistai 10. syyskuuta 2024 16.57 > *Vastaanottaja:* 'gdal-dev@lists.osgeo.org' (gdal-dev@lists.osgeo.org) < > gdal-dev@lists.osgeo.org> > *Aihe:* [gdal-dev] Ignore content-length in vsicurl? > > > > Hi all, > > > > I am attempting to read a dataset via /vsicurl/ where I believe the server > is incorrectly returning `content-length: 0` in response to HEAD requests. > This causes GDAL to believe it's a zero-length file, and it therefore can't > be read. > > > > If I download the file via HTTP GET, it's valid, and GDAL can read it > locally. I've also confirmed I can use /vsicurl/ on some test datasets in > the GDAL repo. > > > > Is it possible to force GDAL to work around the faulty content-length > header, or is it too fundamental a problem to ignore? > > > > I've separately got in touch with the data provider to see if they are > able to fix the issue at their end. > > > > Cheers, > > Daniel > > > > > > URL of the troublesome dataset: > > > https://data.source.coop/earthgenome/sentinel2-temporal-mosaics/20NMH_2024-04-01_2024-08-01/B08.tif > > > > > > Example HTTP header responses I'm seeing: > > > > GET > > > > HTTP/2 200 > date: Tue, 10 Sep 2024 13:47:54 GMT > content-type: binary/octet-stream > content-length: 278198294 > vary: Origin, Access-Control-Request-Method, Access-Control-Request-Headers > etag: "a79f3f685281d6681e4d362536c5b3eb-34" > last-modified: Thu, 25 Jul 2024 13:16:08 GMT > x-version: 0.0.16 > access-control-allow-credentials: true > > > > HEAD > > > > HTTP/2 200 > date: Tue, 10 Sep 2024 13:48:08 GMT > content-type: binary/octet-stream > content-length: 0 > x-version: 0.0.16 > access-control-allow-credentials: true > etag: "a79f3f685281d6681e4d362536c5b3eb-34" > last-modified: Thu, 25 Jul 2024 13:16:08 GMT > vary: Origin, Access-Control-Request-Method, Access-Control-Request-Headers >
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