--- experimental/server/XMLReader/UDPReader.java	2000/11/17 12:16:39	1.2
+++ experimental/server/XMLReader/UDPReader.java	2000/11/17 20:44:31	1.4
@@ -25,18 +25,30 @@ 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);
 
+        byte[] buf;
+        UDPReaderThread t = new UDPReaderThread();
+        
         boolean running = true;
         while (running){
+            System.gc();
             try {
-                byte[] buf = new byte[packetSizeLimit];
+                buf = new byte[packetSizeLimit];
                 // receive request
                 DatagramPacket packet = new DatagramPacket(buf, buf.length);
                 socket.receive(packet);
-                UDPReaderThread thread = new UDPReaderThread(packet);
-                thread.run();
+                t.run(packet);
             }
             catch (IOException e) {
                 System.out.println("An exception occured in the UDPReader!");