1 files changed, 8 insertions, 10 deletions
diff --git a/src/org/traccar/protocol/NvsFrameDecoder.java b/src/org/traccar/protocol/NvsFrameDecoder.java
index 598bb1e4c..e93a58cf6 100644
--- a/src/org/traccar/protocol/NvsFrameDecoder.java
+++ b/src/org/traccar/protocol/NvsFrameDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 - 2018 Anton Tananaev (anton@traccar.org)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -15,18 +15,16 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.buffer.ChannelBuffer;
-import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
-import org.jboss.netty.handler.codec.frame.FrameDecoder;
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelHandlerContext;
+import org.traccar.BaseFrameDecoder;
 
-public class NvsFrameDecoder extends FrameDecoder {
+public class NvsFrameDecoder extends BaseFrameDecoder {
 
     @Override
     protected Object decode(
-            ChannelHandlerContext ctx,
-            Channel channel,
-            ChannelBuffer buf) throws Exception {
+            ChannelHandlerContext ctx, Channel channel, ByteBuf buf) throws Exception {
 
         if (buf.readableBytes() < 4 + 2) {
             return null;
@@ -40,7 +38,7 @@ public class NvsFrameDecoder extends FrameDecoder {
         }
 
         if (buf.readableBytes() >= length) {
-            return buf.readBytes(length);
+            return buf.readRetainedSlice(length);
         }
 
         return null;