The solution was simply to take the protocol outside the formPanel and use "protocol.options.url = newUrl;", simple like that!
-- View this message in context: http://osgeo-org.1560.n6.nabble.com/TypeError-this-options-is-null-in-OpenLayers-Protocol-HTTP-tp5034129p5034362.html Sent from the OpenLayers Users mailing list archive at Nabble.com. _______________________________________________ Users mailing list us...@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/openlayers-users