[OpenLayers-Users] Catching WMS Exceptions

[bartvde at osgis.nl]

Hi,

I don't think you can currently. You can use onerror of the img, but it
won't give you the contents.

A way would be loading the images through AJAX, which has disadvantages as
well (same origin policy and needs changes to OpenLayers).

Maybe the new WMS POST layer has a facility for this, but I don't know if
your WMS service supports POST?

http://trac.openlayers.org/browser/trunk/openlayers/lib/OpenLayers/Layer/WMS/Post.js

Best regards,
Bart

> Hi all,
>
> I have to effect the WMS requests specifying as parameter ' exceptions:
> "application/vnd.ogc.se_xml" ' insteed ' exceptions:
> "application/vnd.ogc.se_inimage" '.
> How can I catch the server response in the case that the exception is
> verified?
>
>
> Regards,
>
>       Tobia Di Pisa
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