1 files changed, 4 insertions, 1 deletions
diff --git a/src/org/traccar/GlobalChannelFactory.java b/src/org/traccar/GlobalChannelFactory.java
index 37eecf51b..aa4f855c5 100644
--- a/src/org/traccar/GlobalChannelFactory.java
+++ b/src/org/traccar/GlobalChannelFactory.java
@@ -20,11 +20,14 @@ import org.jboss.netty.channel.socket.DatagramChannelFactory;
 import org.jboss.netty.channel.socket.nio.NioDatagramChannelFactory;
 import org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory;
 
-public class GlobalChannelFactory {
+public final class GlobalChannelFactory {
 
     private static ChannelFactory channelFactory = null;
     private static DatagramChannelFactory datagramChannelFactory = null;
 
+    private GlobalChannelFactory() {
+    }
+
     public static void release() {
         if (channelFactory != null) {
             channelFactory.releaseExternalResources();