[OpenLayers-Users] Problems with WMS server

[Ian Turton]

On Fri, Jul 17, 2009 at 12:29 PM, Trond
Michelsen<trondmm-openlayers at crusaders.no> wrote:
> On Fri, Jul 17, 2009 at 11:51:03AM -0400, Ian Turton wrote:
>> On Fri, Jul 17, 2009 at 11:35 AM, Camilo Vargas<cavargasru at gmail.com> wrote:
>>> And I got the image. Basically, from this I concluded that the problem is
>>> with the "%2F" generated by openlayers instead of the "/" and the same with
>>> the "%3A" instead of ":".
>> You need to fix your WMS as it is required by the standard to support
>> encoded URLs (AFAIR)
>
> Actually, the standard explicitly says it shouldn't be encoded.
>
> --8<--
> 6.2.1  Reserved characters in HTTP GET URLs
>
> The URL specification [IETF RFC 2396] reserves particular characters
> as significant and requires that these be escaped when they might
> conflict with their defined usage. The present WMS specification
> explicitly reserves several of these characters for use in the query
> portion of HTTP GET requests. When the characters "?", "&", "=", "/",
> ":" and "," appear in one of the roles defined in Table 1, they are to
> appear literally in the URL.  When such characters appear elsewhere
> (for example, in the value of a parameter), they are to be encoded as
> defined in [IETF RFC 2396].
>
> Table 1:
> Char  Reserved Usage
>  ?   Separator indicating start of query string.
>  &   Separator between parameters in query string.
>  =   Separator between name and value of parameter.
>  /   Separator between MIME type and subtype in format parameter value.
>  :   Separator between Namespace and Identifier in SRS parameter value.
>  ,   Separator between individual values in list-oriented parameters.
> --8<--
>
> In this case the / is used as a separator in a format parameter value,
> and it's actually wrong of openlayers to encode it.
>

Well spotted I'd only looked as far as the first paragraph.

So the answer is to file a bug report against OpenLayers :-)

Ian
-- 

Ian Turton
http://www.geotools.org
http://pennspace.blogspot.com/