[mapserver-users] WFS and typename issue

Thu Feb 28 16:43:44 EST 2008

Actually, I don't think spaces are allowed in XML element or attribute
names at all.  Testing this in XMLSpy verifies this.

..Tom

> -----Original Message-----
> From: mapserver-users-bounces at lists.osgeo.org 
> [mailto:mapserver-users-bounces at lists.osgeo.org] On Behalf Of 
> Pericles S. Nacionales
> Sent: 28 February, 2008 4:29 PM
> To: Fischer, Brian
> Cc: mapserver-users at lists.osgeo.org
> Subject: Re: [mapserver-users] WFS and typename issue
> 
> The WFS 1.0.0 doesn't specifically say not to use spaces in a 
> typeName but all the examples don't contain spaces...  The 
> space character always causes problem as part of a parameter 
> in web forms, it should be avoided.  That said, if the 
> solution is as simple as escaping spaces in MapServer's GML 
> output then maybe it should be done.
> 
> It's not just spaces either...  any special character could 
> potentially be problematic (and maybe a potential security 
> hole).  So, yes, you probably should tell the WFS service 
> author that it's bad karma to put spaces in typeNames and 
> featureIDs. :)  Add underscores or remove spaces if possible.
> 
> -Perry
> 
> 
> Fischer, Brian wrote:
> > After troubleshooting this a little further here is what I found.
> > 
> > I get an invalid http request error if I try using an 
> escape character 
> > with a & in it.  That is understandable.
> > 
> > If I try using + or %20 it gets a little further and this 
> is the error 
> > I get.
> > "msDrawMap(): Image handling error. Failed to draw layer named 
> > 'hydrowfs'. msOGRFileOpen(): OGR error. Open failed for OGR 
> connection 
> > `C:/ms4w/tmp/ms_tmp/ccc2661b5c5cc4dbff3d2d052e2e73c7.tmp.gml'. XML 
> > Parsing Error: Expected equal sign "
> > 
> > Also when I try opening the .gml file in Gaia 3 it says there is an 
> > error reading the GML file. If I got through the GML file 
> and remove 
> > all the spaces from the typename and save the file.  Then 
> it opens fine.
> > 
> > It appears the problem is that MapServer is not escaping the space 
> > character in the temporary GML file when it creates it.  I 
> don't know 
> > a lot about the rules for the GML file and if a spaces are 
> allowed or 
> > what the escape character should be.  I guess my simpliest 
> solution is 
> > to try to get the WFS service author to remove the spaces 
> from their typenames.
> > But I would be willing to report this as a bug in MapServer 
> if this is 
> > really a bug.  Hopefully someone can let me know.
> > 
> > Thanks,
> > Brian
> > 
> > Brian Fischer
> > Houston Engineering, Inc.
> > Maple Grove, MN
> > (763) 493-4522
> > 
> > -----Original Message-----
> > From: Milo van der Linden [mailto:mlinden at zeelandnet.nl]
> > Sent: Thursday, February 28, 2008 2:38 PM
> > To: Fischer, Brian
> > Cc: Pericles S. Nacionales; mapserver-users at lists.osgeo.org
> > Subject: Re: [mapserver-users] WFS and typename issue
> > 
> > Have you tried using &nbsp;?
> > 
> > I had some sort of issue that looks like yours.
> > 
> > like this:
> > 
> > "gml_include_items" "MFIELD,KFIELD,DFIELD"
> > "gml_MFIELD_alias" "A&nbsp;Field&nbsp;for&nbsp;M"
> > 
> > I can retrieve fieldnames with spaces on my installation of 
> mapserver 
> > for a WMS GetFeatureInfo request. If the same doesn't work on WFS I 
> > would suggest filing a bug.
> > 
> > Fischer, Brian schreef:
> >> Just tried it and no + doesn't work.  I also tried %20, &#160; and 
> >> &#xA0;
> >>
> >>
> >> Brian Fischer
> >> Houston Engineering, Inc.
> >> Maple Grove, MN
> >> (763) 493-4522
> >>
> >> -----Original Message-----
> >> From: Pericles S. Nacionales [mailto:naci0002 at umn.edu]
> >> Sent: Thursday, February 28, 2008 2:15 PM
> >> To: Fischer, Brian
> >> Cc: mapserver-users at lists.osgeo.org
> >> Subject: Re: [mapserver-users] WFS and typename issue
> >>
> >> Brian,
> >>
> >> I take it the "+" character doesn't work?
> >>
> >> -Perry
> >>
> >> Fischer, Brian wrote:
> >>   
> >>> Has anybody else experience problems when using a WFS 
> service where 
> >>> the typename has a space in it?  I'm experiencing the WFS layers 
> >>> that
> > 
> >>> don't have spaces work fine with MapServer, but ones that do have 
> >>> spaces produce invalid GML files.  Is there an escape 
> character that 
> >>> can be used to represent the space in the typename?
> >>>  
> >>> The WFS service I am trying to get to work is 
> >>> 
> http://www.datafinder.org/wfsconnector/com.esri.wfs.Esrimap/MN_Metro
> >>> G
> >>> I
> >>> S_
> >>> 
> DataFinder_WFS_Water_Resources?request=getcapabilities&service=WFS&v
> >>> e
> >>> r
> >>> si
> >>> on=1.0.0
> >>>  
> >>> The layer without the space works fine, but the rest do not.
> >>>  
> >>> Thanks,
> >>> Brian
> >>>  
> >>> Brian Fischer, CFM
> >>> GIS Project Manager
> >>> Houston Engineering, Inc. | Leave Nothing to ChanceTM
> >>> 6901 East Fish Lake Road, Suite 140
> >>> Maple Grove, MN 55369
> >>> Phone:  763.493.4522 / Fax:  763.493.5572
> >>> Email:  bfischer at houstonengineeringinc.com
> >>> <mailto:bfischer at houstonengineeringinc.com>
> >>> Website: www.houstonengineeringinc.com 
> >>> <http://www.houstonengineeringinc.com/>
> >>>  
> >>>
> >>>
> >>>
> >>> 
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