[mapserver-dev] Corrupt MapServer Zip outputs

[Steve Lime]

This seems related...
https://github.com/MapServer/MapServer/issues/6412

WMS fails but shp2img works, as does WFS. Could it be WMS specific? Would
be helpful to try mode=map and see if that works.

On Sun, Nov 21, 2021 at 8:45 AM Seth G <sethg at geographika.co.uk> wrote:

> Thanks Jérome. and Even. Sorry I should have checked for the headers in
> that zip first.
> I'll attempt the bisecting now!
>
> --
> web:http://geographika.co.uk
> twitter: @geographika
>
> On Sun, Nov 21, 2021, at 1:12 PM, Even Rouault wrote:
> > Seth,
> >
> > The .zip extension of this test file is a bit misleading, as the HTTP
> > headers are not stripped (testing HTTP headers is something good to test
> > in some tests). I've issued
> > https://github.com/MapServer/MapServer/pull/6440 to rename the expected
> > file though to avoid the confusion
> >
> > You can obtain a valid .zip file without headers with
> >
> > ../../build/mapserv -conf ../etc/mapserv.conf -nh
> >
> QUERY_STRING="map=wfs_ogr.map&SERVICE=WFS&VERSION=1.0.0&REQUEST=GetFeature&TYPENAME=road&featureid=road.1521&OUTPUTFORMAT=SHAPEZIP"
>
> >  > out.zip
> >
> > Even
> >
> > Le 21/11/2021 à 12:32, Seth G a écrit :
> >> Hi all,
> >>
> >> Following on from the post at
> https://lists.osgeo.org/pipermail/mapserver-users/2021-November/082429.html
> I've been trying to find where the cause of the corrupt zips may be.
> >>
> >> There is a msautotest to create zip files and check against the
> expected output, however the expected output also seems to be an invalid
> zip file - I tried on both Windows and Linux.
> >>
> >> Even stranger this is both in the main branch (simply download the file
> with the following URL to test), and also going back in the history to 2016.
> >>
> >>
> https://github.com/MapServer/MapServer/blob/main/msautotest/wxs/expected/wfsogr10_shapezip.zip
> >>
> >> I had a working process using shapezips in a 7.6 release of MapServer
> so its hard to understand what could have changed, MapServer, GDAL, or zip
> formats themselves?
> >> I'll attempt a Git bisect but if the issue is outside MapServer it
> won't find an issue.
> >>
> >> If anyone is able to open the zip file successfully please let me know
> (tried with Ark and unzip on Linux and Windows inbuilt unzip and 7-zip on
> Windows). Error seems to be "87 extra bytes at beginning or within zip
> file".
> >>
> >> Seth
> >>
> >> --
> >> web:http://geographika.co.uk
> >> twitter: @geographika
> >> _______________________________________________
> >> MapServer-dev mailing list
> >> MapServer-dev at lists.osgeo.org
> >> https://lists.osgeo.org/mailman/listinfo/mapserver-dev
> >
> > --
> > http://www.spatialys.com
> > My software is free, but my time generally not.
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