From 5346216b5f23d56477d1e5137370bb7b76325a88 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Sat, 9 Jun 2018 16:30:25 +1200
Subject: Fix some issues

---
 src/org/traccar/ExtendedObjectDecoder.java | 6 ++----
 src/org/traccar/TrackerServer.java         | 1 -
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/org/traccar/ExtendedObjectDecoder.java b/src/org/traccar/ExtendedObjectDecoder.java
index bb704c2e3..681924e87 100644
--- a/src/org/traccar/ExtendedObjectDecoder.java
+++ b/src/org/traccar/ExtendedObjectDecoder.java
@@ -20,7 +20,7 @@ import io.netty.buffer.ByteBufUtil;
 import io.netty.channel.Channel;
 import io.netty.channel.ChannelHandlerContext;
 import io.netty.channel.ChannelInboundHandlerAdapter;
-import io.netty.util.ReferenceCounted;
+import io.netty.util.ReferenceCountUtil;
 import org.traccar.helper.DataConverter;
 import org.traccar.model.Position;
 
@@ -65,9 +65,7 @@ public abstract class ExtendedObjectDecoder extends ChannelInboundHandlerAdapter
                 }
             }
         } finally {
-            if (originalMessage instanceof ReferenceCounted) {
-                ((ReferenceCounted) originalMessage).release();
-            }
+            ReferenceCountUtil.release(originalMessage);
         }
     }
 
diff --git a/src/org/traccar/TrackerServer.java b/src/org/traccar/TrackerServer.java
index 490106367..3a1e1c4e8 100644
--- a/src/org/traccar/TrackerServer.java
+++ b/src/org/traccar/TrackerServer.java
@@ -25,7 +25,6 @@ import io.netty.channel.socket.nio.NioDatagramChannel;
 import io.netty.channel.socket.nio.NioServerSocketChannel;
 import io.netty.util.concurrent.GlobalEventExecutor;
 
-import java.io.IOException;
 import java.net.InetSocketAddress;
 
 public abstract class TrackerServer {
-- 
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