Yeah, I need to run the java program which will fetch data invoking a webservice and refresh a layer on the map automatically Regards, Anindya -- View this message in context: http://osgeo-org.1803224.n2.nabble.com/Can-OpenLayers-call-a-java-program-tp5017563p5017611.html Sent from the OpenLayers Dev mailing list archive at Nabble.com.