java.lang.ClassCastException: com.sun.syndication.feed.module.georss.SimpleModuleImpl
        at com.sun.syndication.feed.module.georss.GeoRSSUtils.getGeoRSS(Unknown Source)

   SyndFeedInput input = new SyndFeedInput();
   SyndFeed feed = input.build(new XmlReader(new URL(
         "http://www.geonames.org/recent-changes.xml")));

   List entries = feed.getEntries();
   for (SyndEntry entry : entries) {
        GeoRSSModule geoRSSModule = GeoRSSUtils.getGeoRSS(entry);
        System.out.println(entry.getTitle() + " : lat="
              + geoRSSModule.getLatitude() + ",lng="
              + geoRSSModule.getLongitude() + ", desc="
              + entry.getDescription().getValue() + "; time="
              + entry.getPublishedDate());
   }

       
            SyndFeed feed = input.build(new XmlReader(url));
             List entries = feed.getEntries();
                for (Iterator it=entries.iterator();it.hasNext();) 
                {
                    SyndEntry entry = (SyndEntry) it.next();
                    GeoRSSModule geoRSSModule = GeoRSSUtils.getGeoRSS(entry);
                }
                if(geoRSSModule != null)
                {
                 System.out.println("NOT NULL");
                 out.println(convert.getGeoJSON2(feed));
                }
                else
                {
                    System.out.println("NULL");
                    out.println(convert.getJSON(feed));
                }
        }