[OpenLayers-Users] Problem with maximum URL length

[Andreas Neumann]

 Ticket created: http://trac.osgeo.org/openlayers/ticket/3357

 Andreas

 On Fri, 10 Jun 2011 09:01:13 +0200, Andreas Neumann wrote:
> Hi again,
>
> Parts of the problem is that the long list of layers is repeated:
> once in the LAYERS parameter and once in the QUERY_LAYERS parameter.
> That way one can easily hit the limitation if one has a list of 
> layers
> with long names.
>
> So the solution seems to be to use a POST instead of a GET request.
> But I think we will have to patch OpenLayers to use POST instead of
> GET. I see that the OpenLayers.Request object would support POST
> requests, so we'd have to patch the
> OpenLayers.Control.WMSGetFeatureInfo to expose an additionals request
> method parameter (GET|POST) and forward it to the OpenLayers.Request
> object.
>
> I already asked the programmer of my WMS server if he can support the
> POST requests and it seems they can with a little extra work.
>
> I am bit suprised that I seem to be one of the few people hitting
> this limitation.
>
> I will write a feature request in the OpenLayers trac and provide a 
> patch.
>
> Andreas
>
> On Thu, 9 Jun 2011 16:18:38 +0000, JK Chen wrote:
>> IE cutting URL to less than 2048 is a known limitation of IE. I'm 
>> not
>> sure how to relax the constraints. But I guess there will be ways.
>>
>> Regards
>>
>> JK
>>
>> -----Original Message-----
>> From: openlayers-users-bounces at lists.osgeo.org
>> [mailto:openlayers-users-bounces at lists.osgeo.org] On Behalf Of 
>> Andreas
>> Neumann
>> Sent: Thursday, June 09, 2011 10:13 AM
>> To: users at openlayers.org
>> Subject: [OpenLayers-Users] Problem with maximum URL length
>>
>>  Hi all,
>>
>>  I have a project with many WMS layers which have rather long layer
>> names. Now I seem to be hitting a maximum URL length restriction of 
>> IE
>> in the GetFeatureInfo request. See also
>>  http://support.microsoft.com/kb/208427
>>
>>  Do you have any ideas for a workaround? Would a post request work
>> with  OpenLayers.Control.WMSGetFeatureInfo ?
>>
>>  My project has >50 layers with rather long names and while 
>> debugging
>> I  saw that the URL was around 3000 characters long. IE just cut the
>> URL  off at 2047 characters and my WMS server resulted in a 500 
>> error
>> code.
>>
>>  Any ideas?
>>
>>  Thank you very much,
>>  Andreas
>>
>> --
>>  --
>>  Andreas Neumann
>>  Böschacherstrasse 10A
>>  8624 Grüt (Gossau ZH)
>>  Switzerland
>> _______________________________________________
>> Users mailing list
>> Users at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/openlayers-users

-- 
 --
 Andreas Neumann
 Böschacherstrasse 10A
 8624 Grüt (Gossau ZH)
 Switzerland