[gdal-dev] HTTP 401 error with WMS
Daniele Romagnoli
daniele.romagnoli at geo-solutions.it
Thu Apr 8 03:23:49 PDT 2021
Hello Elena,
the error messages report "Unauthorized".
I would try by modifying the ServerlUrl, removing the user and password
empty parameters, so that it just contains the base WMS url:
<ServerUrl>https://wms.mapa.gob.es/sigpac/ows?SERVICE=WMS</ServerUrl>
and also removing the <UserPwd>:</UserPwd> tag at the bottom of your xml.
Let us know if that works.
Regards,
Daniele
On Thu, Apr 8, 2021 at 10:51 AM Elena Ruiz <eruiz at aplitop.com> wrote:
> Hello, I trying a WMS web service with gdal, but I have different results
> depend on I use a url in a web browser or I use the gdal commands.
>
> If I put this url in Crome:
>
>
> https://wms.mapa.gob.es/sigpac/ows?FORMAT=image/jpeg&HEIGHT=99&LAYERS=EEPP&WIDTH=183&SERVICE=WMS&BBOX=413276.0389803443,4066482.0439935336,675346.7028941214,4208125.2305295570&REQUEST=GetMap&TRANSPARENT=FALSE&STYLES=&VERSION=1.3.0&CRS=EPSG:25830
>
>
>
> I get an image:
>
>
>
>
>
> But If I use the same parameters in a XML file, like as this:
>
>
>
> <GDAL_WMS>
>
> <Service name="WMS">
>
> <Version>1.3.0</Version>
>
> <ServerUrl>
> https://wms.mapa.gob.es/sigpac/ows?SERVICE=WMS&username=&password=
> </ServerUrl>
>
> <Layers>EEPP</Layers>
>
> <CRS>EPSG:25830</CRS>
>
> <ImageFormat>image/jpeg</ImageFormat>
>
> <Transparent>FALSE</Transparent>
>
> <BBoxOrder>xyXY</BBoxOrder>
>
> </Service>
>
> <DataWindow>
>
> <UpperLeftX>413276.0389803443</UpperLeftX>
>
> <UpperLeftY>4208125.2305295570</UpperLeftY>
>
> <LowerRightX>675346.7028941214</LowerRightX>
>
> <LowerRightY>4066482.0439935336</LowerRightY>
>
> <SizeX>183</SizeX>
>
> <SizeY>99</SizeY>
>
> </DataWindow>
>
> <Timeout>1600</Timeout>
>
> <BandsCount>3</BandsCount>
>
> <BlockSizeX>1024</BlockSizeX>
>
> <BlockSizeY>1024</BlockSizeY>
>
> <OverviewCount>20</OverviewCount>
>
> <UserPwd>:</UserPwd>
>
> <UnsafeSSL>true</UnsafeSSL>
>
> <ZeroBlockHttpCodes></ZeroBlockHttpCodes>
>
> </GDAL_WMS>
>
>
>
>
>
> And then I run the next gdal command: gdal_translate -of JPEG -outsize 183
> 99 C:\Users\elena\AppData\Local\Temp\tmpnuevo.xml
> C:\Users\elena\AppData\Local\Temp\miimagen.jpeg
>
> The result is :
>
>
>
> Input file size is 183, 99
>
> 0ERROR 1: GDALWMS: Unable to download block 0, 0.
>
> URL: <!doctype html><html lang="es"><head><title>Estado HTTP 401 ÔÇô No
> autorizado</title><style type="text/css">body
> {font-family:Tahoma,Arial,sans-serif;} h1, h2, h3, b
> {color:white;background-color:#525D76;} h1 {font-size:22px;} h2
> {font-size:16px;} h3 {font-size:14px;} p {font-size:12px;} a {color:black;}
> .line
> {height:1px;background-color:#525D76;border:none;}</style></head><body><h1>Estado
> HTTP 401 ÔÇô No autorizado</h1><hr class="line" /><p><b>Tipo</b> Informe de
> estado</p><p><b>mensaje</b> Unauthorized</p><p><b>Descripci├│n</b> Este
> requerimiento requiere autenticaci├│n HTTP.</p><hr class="line"
> /><h3>Apache Tomcat/9.0.37</h3></body></html>
>
> HTTP status code: 401, error: <!doctype html><html
> lang="es"><head><title>Estado HTTP 401 ÔÇô No autorizado</title><style
> type="text/css">body {font-family:Tahoma,Arial,sans-serif;} h1, h2, h3, b
> {color:white;background-color:#525D76;} h1 {font-size:22px;} h2
> {font-size:16px;} h3 {font-size:14px;} p {font-size:12px;} a {color:black;}
> .line
> {height:1px;background-color:#525D76;border:none;}</style></head><body><h1>Estado
> HTTP 401 ÔÇô No autorizado</h1><hr class="line" /><p><b>Tipo</b> Informe de
> estado</p><p><b>mensaje</b> Unauthorized</p><p><b>Descripci├│n</b> Este
> requerimiento requiere autenticaci├│n HTTP.</p><hr class="line"
> /><h3>Apache Tomcat/9.0.37</h3></body></html>.
>
> Add the HTTP status code to <ZeroBlockHttpCodes> to ignore this error (see
> http://www.gdal.org/frmt_wms.html).
>
> ERROR 1: C:\Users\elena\AppData\Local\Temp\tmpnuevo.xml, band 1:
> IReadBlock failed at X offset 0, Y offset 0: GDALWMS: Unable to download
> block 0, 0.
>
> URL: <!doctype html><html lang="es"><head><title>Estado HTTP 401 ÔÇô No
> autorizado</title><style type="text/css">body
> {font-family:Tahoma,Arial,sans-serif;} h1, h2, h3, b
> {color:white;background-color:#525D76;} h1 {font-size:22px;} h2
> {font-size:16px;} h3 {font-size:14px;} p {font-size:12px;} a {color:black;}
> .line
> {height:1px;background-color:#525D76;border:none;}</style></head><body><h1>Estado
> HTTP 401 ÔÇô No autorizado</h1><hr class="line" /><p><b>Tipo</b> Informe de
> estado</p><p><b>mensaje</b> Unauthorized</p><p><b>Descripci├│n</b> Este
> requerimiento requiere autenticaci├│n HTTP.</p><hr class="line"
> /><h3>Apache Tomcat/9.0.37</h3></body></html>
>
> HTTP status code: 401, error: <!doctype html><html
> lang="es"><head><title>Estado HTTP 401 ÔÇô No autorizado</title><style
> type="text/css">body {font-family:Tahoma,Arial,sans-serif;} h1, h2, h3, b
> {color:white;background-color:#525D76;} h1 {font-size:22px;} h2
> {font-size:16px;} h3 {font-size:14px;} p {font-size:12px;} a {color:black;}
> .line
> {height:1px;background-color:#525D76;border:none;}</style></head><body><h1>Estado
> HTTP 401 ÔÇô No autorizado</h1><hr class="line" /><p><b>Tipo</b> Informe de
> estado</p><p><b>mensaje</b> Unauthorized</p><p><b>Descripci├│n</b> Este
> requerimiento requiere autenticaci├│n HTTP.</p><hr class="line"
> /><h3>Apache Tomcat/9.0.37</h3></body></html>.
>
> Add the HTTP status code to <ZeroBlockHttpCodes> to ignore this error (see
> http://www.gdal.org/frmt_wms.html).
>
>
>
> And there are not any image.
>
> I´m using gdal 3.0, and I don´t understand why works at web browser and
> don´t works with gdal, I am doing something wrong? Thank you very much and
> regards
> ------------------------------
>
> *Elena Ruiz *
> Sofware Development & Technical Support
> Tel. +34 952 43 97 71
> eruiz at aplitop.com
> Sumatra, 9 - 29190 Málaga (Spain)
>
>
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>
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--
Regards,
Daniele Romagnoli
==
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==
Ing. Daniele Romagnoli
Senior Software Engineer
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Italy
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