--- experimental/server/XMLReader/UDPReader.java	2000/11/17 12:16:39	1.2
+++ experimental/server/XMLReader/UDPReader.java	2000/11/17 15:25:48	1.3
@@ -25,7 +25,16 @@ public class UDPReader {
             }
         }
 
-        DatagramSocket socket = new DatagramSocket(port);
+        DatagramSocket socket = null;
+        try {
+            socket = new DatagramSocket(port);
+        }
+        catch (BindException e){
+            System.out.println("Some other process is already listening on port "+port+".");
+            System.out.println("Please specify another port number on the command line.");
+            System.exit(0);
+        }
+        
         System.out.println("UDPReader ready and listening for UDP packets on port "+port);
 
         boolean running = true;