added logs

sdi-plugins/src/main/java/org/gcube/application/cms/sdi/engine/SDIManager.java

@@ -52,6 +52,7 @@ public class SDIManager {
 			if(!currentGeoserver.getReader().existGeoserver())
 				throw new Exception("Geoserver not reachable");
 		}catch(Exception e) {
+			log.error("SDIManager init failed: ",e);
 			throw new SDIInteractionException("Unable to initialize SDI Manager",e);
 		}
 	}