AW: [mapserver-users] Corrupted zipped shapefiles from WFS

[Eichner, Andreas - SID-NLKM]

This is simply a bug. This happens when a newline is accidentially sent to early. The web server treats this as the end of headers, merges the lines received so far with any  additional header lines required and sends them out to the client. Everything apart the first empty line will be presented as content.
Similiar things happened to me when I requested a GetFeature with a HTML template and received an error while using EXCEPTIONS=INIMAGE. MapServer had already sent the content-type header with value text/html but the error handler still respected the exceptions parameter and thought itself responsible to send the content-type header. The result was a html page starting with "Content-type: imag/png; mode=24bit" and a lot of junk - the exception as PNG image - funny.
The best thing you can do is reproduce the error with a minimal map file, may be with an inline feature and create a ticket if there no one yet.
 

> -----Ursprüngliche Nachricht-----
> Von: mapserver-users-bounces at lists.osgeo.org 
> [mailto:mapserver-users-bounces at lists.osgeo.org] Im Auftrag 
> von Keith Moss
> Gesendet: Mittwoch, 2. November 2011 07:51
> An: mapserver-users at lists.osgeo.org
> Betreff: [mapserver-users] Corrupted zipped shapefiles from WFS
> 
> Hi list,
> 
> We're having a bit of an issue with the zipped shapefiles 
> we're getting back
> from WFS GetFeature requests. Winzip claims that they're all 
> corrupted* but,
> oddly, 7zip can open and extract the perfectly valid shapefile without
> issue. We tried to unzip the file with PHP's inbuilt 
> ZIPArchive class, but
> that also had issues - it could read the files in there but 
> would extract
> 0KB length files.
> 
> Other output formats - CSV, GML, etc - work without issue. 
> We've reproduced
> the issue on two separate Windows-based servers (2008 & 2003).
> 
> We've noticed in the corrupted zip files that the file starts with:
> "Content-Disposition: attachment; filename=result.zip
> Content-Type: application/zip" (when we open it in Notepad). 
> We've tried
> removing this, but it didn't help.
> 
> Can anyone on the list, or one of the developers, shed any 
> light on the
> situation?
> 
> I've attached a simple test case with an example shapefile, 
> would someone be
> able to try it on their setup for us please?
> 
> We're using PHP MapScript with MapServer 6.0.1 (MS4W 3.0.3) / 
> PHP 5.3.6.
> 
> * The WinZip error: "error [<path>.zip]: start of central 
> directory not
> found; Zip file corrupt."
> 
> http://osgeo-org.1803224.n2.nabble.com/file/n6954263/shapezip.zip
> shapezip.zip 
> 
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> iles-from-WFS-tp6954263p6954263.html
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