more precise exception catch

examples/otherProjects/DisShooting/src/DisShooting/NetworkComms.java

@@ -117,7 +117,7 @@ public class NetworkComms implements Runnable
             sendPacket.setData(aPdu.marshal());
             if (!socket.isClosed())
                 socket.send(sendPacket);
-        } catch (Exception ex) {
+        } catch (IOException ex) {
             Logger.getLogger(NetworkComms.class.getName()).log(Level.SEVERE, null, ex);
         } finally {
             buffSend.clear();