Clean up code inspection issues

64 files changed, 21 insertions, 113 deletions

diff --git a/src/org/traccar/geocode/GisgraphyReverseGeocoder.java b/src/org/traccar/geocode/GisgraphyReverseGeocoder.java
index 6e0e5a343..59c4de723 100644
--- a/src/org/traccar/geocode/GisgraphyReverseGeocoder.java
+++ b/src/org/traccar/geocode/GisgraphyReverseGeocoder.java
@@ -15,13 +15,7 @@
  */
 package org.traccar.geocode;
 
-import org.traccar.helper.Log;
-
-import javax.json.Json;
 import javax.json.JsonObject;
-import java.io.InputStreamReader;
-import java.net.URL;
-import java.net.URLConnection;
 
 public class GisgraphyReverseGeocoder extends JsonReverseGeocoder {
 
diff --git a/src/org/traccar/geocode/JsonReverseGeocoder.java b/src/org/traccar/geocode/JsonReverseGeocoder.java
index 442b8551c..fd86f06d5 100644
--- a/src/org/traccar/geocode/JsonReverseGeocoder.java
+++ b/src/org/traccar/geocode/JsonReverseGeocoder.java
@@ -21,10 +21,8 @@ import javax.json.Json;
 import javax.json.JsonObject;
 import javax.json.JsonReader;
 import java.io.InputStreamReader;
-import java.io.Reader;
 import java.net.HttpURLConnection;
 import java.net.URL;
-import java.net.URLConnection;
 import java.util.AbstractMap;
 import java.util.LinkedHashMap;
 import java.util.Map;
diff --git a/src/org/traccar/geocode/NominatimReverseGeocoder.java b/src/org/traccar/geocode/NominatimReverseGeocoder.java
index 96c9a993d..95dfdeeb2 100644
--- a/src/org/traccar/geocode/NominatimReverseGeocoder.java
+++ b/src/org/traccar/geocode/NominatimReverseGeocoder.java
@@ -15,17 +15,7 @@
  */
 package org.traccar.geocode;
 
-import java.io.InputStreamReader;
-import java.net.URL;
-import java.net.URLConnection;
-import javax.json.Json;
-import javax.json.JsonArray;
 import javax.json.JsonObject;
-import javax.xml.parsers.DocumentBuilder;
-import javax.xml.parsers.DocumentBuilderFactory;
-
-import org.traccar.helper.Log;
-import org.w3c.dom.Document;
 
 public class NominatimReverseGeocoder extends JsonReverseGeocoder {
 
diff --git a/src/org/traccar/helper/ChannelBufferTools.java b/src/org/traccar/helper/ChannelBufferTools.java
index 1ebe89666..12e8fc93d 100644
--- a/src/org/traccar/helper/ChannelBufferTools.java
+++ b/src/org/traccar/helper/ChannelBufferTools.java
@@ -15,14 +15,10 @@
  */
 package org.traccar.helper;
 
-import java.math.BigInteger;
-import java.util.Formatter;
 import org.jboss.netty.buffer.ChannelBuffer;
-import org.traccar.protocol.IntellitracFrameDecoder;
 
-/**
- * ChannelBuffer helper methods
- */
+import java.util.Formatter;
+
 public class ChannelBufferTools {
 
     public static Integer find(ChannelBuffer buf, int start, String subString) {
diff --git a/src/org/traccar/protocol/Ardi01ProtocolDecoder.java b/src/org/traccar/protocol/Ardi01ProtocolDecoder.java
index 0a0ef0bca..723c5ddd6 100644
--- a/src/org/traccar/protocol/Ardi01ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Ardi01ProtocolDecoder.java
@@ -16,7 +16,6 @@
 package org.traccar.protocol;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.helper.UnitsConverter;
 import org.traccar.model.Event;
diff --git a/src/org/traccar/protocol/Avl301ProtocolDecoder.java b/src/org/traccar/protocol/Avl301ProtocolDecoder.java
index 6359ba80d..8116958da 100644
--- a/src/org/traccar/protocol/Avl301ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Avl301ProtocolDecoder.java
@@ -18,7 +18,6 @@ package org.traccar.protocol;
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.buffer.ChannelBuffers;
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.model.Event;
 import org.traccar.model.Position;
diff --git a/src/org/traccar/protocol/BceFrameDecoder.java b/src/org/traccar/protocol/BceFrameDecoder.java
index 8accc02d8..1f8b8efcd 100644
--- a/src/org/traccar/protocol/BceFrameDecoder.java
+++ b/src/org/traccar/protocol/BceFrameDecoder.java
@@ -19,7 +19,6 @@ 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 org.jboss.netty.handler.codec.frame.LengthFieldBasedFrameDecoder;
 
 public class BceFrameDecoder extends FrameDecoder {
 
diff --git a/src/org/traccar/protocol/BoxProtocolDecoder.java b/src/org/traccar/protocol/BoxProtocolDecoder.java
index 821d1baae..3ec0dc9bd 100644
--- a/src/org/traccar/protocol/BoxProtocolDecoder.java
+++ b/src/org/traccar/protocol/BoxProtocolDecoder.java
@@ -22,8 +22,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
-
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.helper.UnitsConverter;
 import org.traccar.model.Event;
diff --git a/src/org/traccar/protocol/CarTrackProtocolDecoder.java b/src/org/traccar/protocol/CarTrackProtocolDecoder.java
index fc14b4668..a5089d227 100644
--- a/src/org/traccar/protocol/CarTrackProtocolDecoder.java
+++ b/src/org/traccar/protocol/CarTrackProtocolDecoder.java
@@ -23,8 +23,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
-
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.model.Event;
 import org.traccar.model.Position;
@@ -38,9 +36,9 @@ public class CarTrackProtocolDecoder extends BaseProtocolDecoder {
     private static final Pattern pattern = Pattern.compile(
             "\\$\\$" +                                      // Header
             "(\\d+)\\?*" +                                  // Device ID
-            "\\&A" +
+            "&A" +
             "(\\d{4})" +                                    // Command - 2
-            "\\&B" +
+            "&B" +
             "(\\d{2})(\\d{2})(\\d{2})\\.(\\d{3})," +        // HHMMSS.DDD
             "([AV])," +                                     // STATUS : A= Valid, V = Invalid
             "(\\d{2})(\\d{2}\\.\\d{4})," +                  // Lat : XXMM.DDDDD
@@ -51,10 +49,10 @@ public class CarTrackProtocolDecoder extends BaseProtocolDecoder {
             "(\\d+.\\d*)?," +                               // Heading
             "(\\d{2})(\\d{2})(\\d{2})" +                    // DDMMYY
             ".*" +
-            "\\&C(.*)" +                                    // IO Port Data
-            "\\&D(.*)" +                                    // Mile Meter Data
-            "\\&E(.*)" +                                    // Alarm Data
-            "(?:\\&Y)?(.*)");                               // AD Input Data
+            "&C(.*)" +                                      // IO Port Data
+            "&D(.*)" +                                      // Mile Meter Data
+            "&E(.*)" +                                      // Alarm Data
+            "(?:&Y)?(.*)");                                 // AD Input Data
 
     @Override
     protected Object decode(
diff --git a/src/org/traccar/protocol/CarscopProtocolDecoder.java b/src/org/traccar/protocol/CarscopProtocolDecoder.java
index 08ab10528..3b2eb0016 100644
--- a/src/org/traccar/protocol/CarscopProtocolDecoder.java
+++ b/src/org/traccar/protocol/CarscopProtocolDecoder.java
@@ -22,8 +22,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
-
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.model.Event;
 import org.traccar.model.Position;
diff --git a/src/org/traccar/protocol/CellocatorProtocolDecoder.java b/src/org/traccar/protocol/CellocatorProtocolDecoder.java
index af148c1eb..4aab9c207 100644
--- a/src/org/traccar/protocol/CellocatorProtocolDecoder.java
+++ b/src/org/traccar/protocol/CellocatorProtocolDecoder.java
@@ -22,9 +22,8 @@ import java.util.TimeZone;
 
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.buffer.ChannelBuffers;
-import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
+import org.jboss.netty.channel.Channel;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.helper.UnitsConverter;
 import org.traccar.model.Event;
diff --git a/src/org/traccar/protocol/EasyTrackProtocolDecoder.java b/src/org/traccar/protocol/EasyTrackProtocolDecoder.java
index 5292e90a7..0e4c60878 100644
--- a/src/org/traccar/protocol/EasyTrackProtocolDecoder.java
+++ b/src/org/traccar/protocol/EasyTrackProtocolDecoder.java
@@ -22,8 +22,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
-
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.model.Event;
 import org.traccar.model.Position;
diff --git a/src/org/traccar/protocol/EnforaProtocolDecoder.java b/src/org/traccar/protocol/EnforaProtocolDecoder.java
index 353547aef..91e18eadd 100644
--- a/src/org/traccar/protocol/EnforaProtocolDecoder.java
+++ b/src/org/traccar/protocol/EnforaProtocolDecoder.java
@@ -23,9 +23,8 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.buffer.ChannelBuffer;
-import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
+import org.jboss.netty.channel.Channel;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.helper.ChannelBufferTools;
 import org.traccar.helper.Log;
diff --git a/src/org/traccar/protocol/Ev603ProtocolDecoder.java b/src/org/traccar/protocol/Ev603ProtocolDecoder.java
index 898e5802d..a15e68f86 100644
--- a/src/org/traccar/protocol/Ev603ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Ev603ProtocolDecoder.java
@@ -16,19 +16,17 @@
  */

 package org.traccar.protocol;

 

-import java.net.SocketAddress;
+import java.net.SocketAddress;

 import java.util.Calendar; 

 import java.util.TimeZone;

 import java.util.regex.Matcher;

 import java.util.regex.Pattern;

 

 import org.jboss.netty.channel.Channel;

-import org.jboss.netty.channel.ChannelHandlerContext;

-

 import org.traccar.BaseProtocolDecoder;

 import org.traccar.model.Position;

 

-public class Ev603ProtocolDecoder extends BaseProtocolDecoder{

+public class Ev603ProtocolDecoder extends BaseProtocolDecoder {

 

     public Ev603ProtocolDecoder(Ev603Protocol protocol) {

         super(protocol);

@@ -36,7 +34,7 @@ public class Ev603ProtocolDecoder extends BaseProtocolDecoder{
 

     private static final Pattern pattern = Pattern.compile(

             "!.," +                           // Type

-            "(\\d{2})\\/(\\d{2})\\/(\\d{2})," + // Date dd/mm/YY

+            "(\\d{2})/(\\d{2})/(\\d{2})," +   // Date dd/mm/YY

             "(\\d{2}):(\\d{2}):(\\d{2})," +   // Time hh:mm:ss

             "(-?\\d+\\.\\d+)," +              // Latitude

             "(-?\\d+\\.\\d+)," +              // Longitude

diff --git a/src/org/traccar/protocol/FreedomProtocolDecoder.java b/src/org/traccar/protocol/FreedomProtocolDecoder.java
index b095b9a39..5f2cd3f2f 100644
--- a/src/org/traccar/protocol/FreedomProtocolDecoder.java
+++ b/src/org/traccar/protocol/FreedomProtocolDecoder.java
@@ -22,7 +22,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.model.Position;
diff --git a/src/org/traccar/protocol/GalileoProtocolDecoder.java b/src/org/traccar/protocol/GalileoProtocolDecoder.java
index b9a4eef44..37a31de6e 100644
--- a/src/org/traccar/protocol/GalileoProtocolDecoder.java
+++ b/src/org/traccar/protocol/GalileoProtocolDecoder.java
@@ -91,8 +91,8 @@ public class GalileoProtocolDecoder extends BaseProtocolDecoder {
         buf.readUnsignedByte(); // header
         int length = (buf.readUnsignedShort() & 0x7fff) + 3;
         
-        List<Position> positions = new LinkedList<Position>();
-        Set<Integer> tags = new HashSet<Integer>();
+        List<Position> positions = new LinkedList<>();
+        Set<Integer> tags = new HashSet<>();
         boolean hasLocation = false;
         Position position = new Position();
         position.setProtocol(getProtocolName());
diff --git a/src/org/traccar/protocol/GatorProtocolDecoder.java b/src/org/traccar/protocol/GatorProtocolDecoder.java
index 635362f48..d17e0f2f7 100644
--- a/src/org/traccar/protocol/GatorProtocolDecoder.java
+++ b/src/org/traccar/protocol/GatorProtocolDecoder.java
@@ -21,7 +21,6 @@ import java.util.TimeZone;
 
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.helper.ChannelBufferTools;
diff --git a/src/org/traccar/protocol/Gl100ProtocolDecoder.java b/src/org/traccar/protocol/Gl100ProtocolDecoder.java
index ffb4605a0..26102e925 100644
--- a/src/org/traccar/protocol/Gl100ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Gl100ProtocolDecoder.java
@@ -22,7 +22,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.model.Position;
diff --git a/src/org/traccar/protocol/Gl200ProtocolDecoder.java b/src/org/traccar/protocol/Gl200ProtocolDecoder.java
index 23afa2c4c..503717eba 100644
--- a/src/org/traccar/protocol/Gl200ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Gl200ProtocolDecoder.java
@@ -34,7 +34,7 @@ public class Gl200ProtocolDecoder extends BaseProtocolDecoder {
     }
 
     private static final Pattern heartbeatPattern = Pattern.compile(
-            "\\+ACK\\:GTHBD," +
+            "\\+ACK:GTHBD," +
             "([0-9A-Z]{2}\\p{XDigit}{4})," +
             ".*," +
             "(\\p{XDigit}{4})\\$?");
diff --git a/src/org/traccar/protocol/GotopProtocolDecoder.java b/src/org/traccar/protocol/GotopProtocolDecoder.java
index f113afad5..5bd2f8038 100644
--- a/src/org/traccar/protocol/GotopProtocolDecoder.java
+++ b/src/org/traccar/protocol/GotopProtocolDecoder.java
@@ -22,7 +22,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.helper.UnitsConverter;
diff --git a/src/org/traccar/protocol/GpsGateProtocolDecoder.java b/src/org/traccar/protocol/GpsGateProtocolDecoder.java
index 5a69d6621..d76ef6aed 100644
--- a/src/org/traccar/protocol/GpsGateProtocolDecoder.java
+++ b/src/org/traccar/protocol/GpsGateProtocolDecoder.java
@@ -22,7 +22,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.helper.Crc;
diff --git a/src/org/traccar/protocol/GpsMarkerProtocol.java b/src/org/traccar/protocol/GpsMarkerProtocol.java
index 7961e2340..3ac827ea7 100644
--- a/src/org/traccar/protocol/GpsMarkerProtocol.java
+++ b/src/org/traccar/protocol/GpsMarkerProtocol.java
@@ -15,17 +15,14 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.bootstrap.ConnectionlessBootstrap;
 import org.jboss.netty.bootstrap.ServerBootstrap;
 import org.jboss.netty.channel.ChannelPipeline;
 import org.jboss.netty.handler.codec.string.StringDecoder;
-import org.jboss.netty.handler.codec.string.StringEncoder;
 import org.traccar.BaseProtocol;
 import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.TrackerServer;
 
 import java.util.List;
-import java.util.Map;
 
 public class GpsMarkerProtocol extends BaseProtocol {
 
diff --git a/src/org/traccar/protocol/GpsmtaProtocol.java b/src/org/traccar/protocol/GpsmtaProtocol.java
index 41e7ad8b8..28974855d 100644
--- a/src/org/traccar/protocol/GpsmtaProtocol.java
+++ b/src/org/traccar/protocol/GpsmtaProtocol.java
@@ -17,9 +17,7 @@ package org.traccar.protocol;
 
 import org.jboss.netty.bootstrap.ServerBootstrap;
 import org.jboss.netty.channel.ChannelPipeline;
-import org.jboss.netty.handler.codec.frame.LineBasedFrameDecoder;
 import org.jboss.netty.handler.codec.string.StringDecoder;
-import org.jboss.netty.handler.codec.string.StringEncoder;
 import org.traccar.BaseProtocol;
 import org.traccar.TrackerServer;
 
diff --git a/src/org/traccar/protocol/GpsmtaProtocolDecoder.java b/src/org/traccar/protocol/GpsmtaProtocolDecoder.java
index 32648bc5e..003d833ee 100644
--- a/src/org/traccar/protocol/GpsmtaProtocolDecoder.java
+++ b/src/org/traccar/protocol/GpsmtaProtocolDecoder.java
@@ -21,9 +21,7 @@ import org.traccar.model.Event;
 import org.traccar.model.Position;
 
 import java.net.SocketAddress;
-import java.util.Calendar;
 import java.util.Date;
-import java.util.TimeZone;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
diff --git a/src/org/traccar/protocol/Gt02ProtocolDecoder.java b/src/org/traccar/protocol/Gt02ProtocolDecoder.java
index 14091eb6f..5d1a03c77 100644
--- a/src/org/traccar/protocol/Gt02ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Gt02ProtocolDecoder.java
@@ -22,7 +22,6 @@ import java.util.TimeZone;
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.buffer.ChannelBuffers;
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.helper.UnitsConverter;
diff --git a/src/org/traccar/protocol/Gt06ProtocolEncoder.java b/src/org/traccar/protocol/Gt06ProtocolEncoder.java
index 22d62e9e5..82c689d9e 100644
--- a/src/org/traccar/protocol/Gt06ProtocolEncoder.java
+++ b/src/org/traccar/protocol/Gt06ProtocolEncoder.java
@@ -18,7 +18,6 @@ package org.traccar.protocol;
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.buffer.ChannelBuffers;
 import org.traccar.BaseProtocolEncoder;
-import org.traccar.Context;
 import org.traccar.helper.Crc;
 import org.traccar.model.Command;
 
diff --git a/src/org/traccar/protocol/H02ProtocolDecoder.java b/src/org/traccar/protocol/H02ProtocolDecoder.java
index 666d868f7..ea7a6ad9e 100644
--- a/src/org/traccar/protocol/H02ProtocolDecoder.java
+++ b/src/org/traccar/protocol/H02ProtocolDecoder.java
@@ -24,7 +24,6 @@ import java.util.regex.Pattern;
 
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.helper.BitUtil;
diff --git a/src/org/traccar/protocol/HaicomProtocolDecoder.java b/src/org/traccar/protocol/HaicomProtocolDecoder.java
index b7cc29ddf..21a517697 100644
--- a/src/org/traccar/protocol/HaicomProtocolDecoder.java
+++ b/src/org/traccar/protocol/HaicomProtocolDecoder.java
@@ -22,7 +22,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.model.Event;
@@ -51,7 +50,7 @@ public class HaicomProtocolDecoder extends BaseProtocolDecoder {
             "(\\d+)," +                   // Switch status
             "(\\d+)" +                    // Relay status
             "(?:[LH]{2})?" +              // Power status
-            "\\#V(\\d+).*");              // Battery
+            "#V(\\d+).*");                // Battery
 
     @Override
     protected Object decode(
diff --git a/src/org/traccar/protocol/IntellitracProtocolDecoder.java b/src/org/traccar/protocol/IntellitracProtocolDecoder.java
index b34753f1d..25d0914d7 100644
--- a/src/org/traccar/protocol/IntellitracProtocolDecoder.java
+++ b/src/org/traccar/protocol/IntellitracProtocolDecoder.java
@@ -22,7 +22,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.model.Event;
diff --git a/src/org/traccar/protocol/Jt600ProtocolDecoder.java b/src/org/traccar/protocol/Jt600ProtocolDecoder.java
index 45eeb5c4d..d6eca3a53 100644
--- a/src/org/traccar/protocol/Jt600ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Jt600ProtocolDecoder.java
@@ -24,7 +24,6 @@ import java.util.regex.Pattern;
 
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.helper.ChannelBufferTools;
diff --git a/src/org/traccar/protocol/KhdProtocolDecoder.java b/src/org/traccar/protocol/KhdProtocolDecoder.java
index f98f3e963..67afca20c 100644
--- a/src/org/traccar/protocol/KhdProtocolDecoder.java
+++ b/src/org/traccar/protocol/KhdProtocolDecoder.java
@@ -22,7 +22,6 @@ import java.util.TimeZone;
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.buffer.ChannelBuffers;
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.helper.ChannelBufferTools;
diff --git a/src/org/traccar/protocol/LaipacProtocolDecoder.java b/src/org/traccar/protocol/LaipacProtocolDecoder.java
index 8d111b05c..1696041fc 100644
--- a/src/org/traccar/protocol/LaipacProtocolDecoder.java
+++ b/src/org/traccar/protocol/LaipacProtocolDecoder.java
@@ -22,7 +22,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.helper.Crc;
diff --git a/src/org/traccar/protocol/M2mProtocolDecoder.java b/src/org/traccar/protocol/M2mProtocolDecoder.java
index ac1d8b7dc..4f50c0411 100644
--- a/src/org/traccar/protocol/M2mProtocolDecoder.java
+++ b/src/org/traccar/protocol/M2mProtocolDecoder.java
@@ -21,7 +21,6 @@ import java.util.TimeZone;
 
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.model.Event;
diff --git a/src/org/traccar/protocol/ManPowerProtocolDecoder.java b/src/org/traccar/protocol/ManPowerProtocolDecoder.java
index aef64d69e..73b902c48 100644
--- a/src/org/traccar/protocol/ManPowerProtocolDecoder.java
+++ b/src/org/traccar/protocol/ManPowerProtocolDecoder.java
@@ -22,7 +22,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.model.Event;
diff --git a/src/org/traccar/protocol/MaxonProtocolDecoder.java b/src/org/traccar/protocol/MaxonProtocolDecoder.java
index 1ab37dc7d..5d5edfb60 100644
--- a/src/org/traccar/protocol/MaxonProtocolDecoder.java
+++ b/src/org/traccar/protocol/MaxonProtocolDecoder.java
@@ -22,7 +22,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.model.Position;
diff --git a/src/org/traccar/protocol/MeitrackProtocolDecoder.java b/src/org/traccar/protocol/MeitrackProtocolDecoder.java
index 2cdf75106..ba7841a8b 100644
--- a/src/org/traccar/protocol/MeitrackProtocolDecoder.java
+++ b/src/org/traccar/protocol/MeitrackProtocolDecoder.java
@@ -27,7 +27,6 @@ import java.util.regex.Pattern;
 
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.helper.ChannelBufferTools;
diff --git a/src/org/traccar/protocol/MiniFinderProtocolDecoder.java b/src/org/traccar/protocol/MiniFinderProtocolDecoder.java
index cd9da419a..ae7731025 100644
--- a/src/org/traccar/protocol/MiniFinderProtocolDecoder.java
+++ b/src/org/traccar/protocol/MiniFinderProtocolDecoder.java
@@ -22,7 +22,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.model.Event;
@@ -35,7 +34,7 @@ public class MiniFinderProtocolDecoder extends BaseProtocolDecoder {
     }
 
     private static final Pattern pattern = Pattern.compile(
-            "\\!D," +
+            "!D," +
             "(\\d+)/(\\d+)/(\\d+)," +      // Date
             "(\\d+):(\\d+):(\\d+)," +      // Time
             "(-?\\d+\\.\\d+)," +           // Latitude
diff --git a/src/org/traccar/protocol/Mta6ProtocolDecoder.java b/src/org/traccar/protocol/Mta6ProtocolDecoder.java
index e751c8b7a..2a900acbf 100644
--- a/src/org/traccar/protocol/Mta6ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Mta6ProtocolDecoder.java
@@ -25,7 +25,6 @@ import java.util.TimeZone;
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.buffer.ChannelBuffers;
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 import org.jboss.netty.handler.codec.http.DefaultHttpResponse;
 import org.jboss.netty.handler.codec.http.HttpRequest;
 import org.jboss.netty.handler.codec.http.HttpResponse;
diff --git a/src/org/traccar/protocol/MtxProtocolDecoder.java b/src/org/traccar/protocol/MtxProtocolDecoder.java
index 1203313f9..5fdb657e9 100644
--- a/src/org/traccar/protocol/MtxProtocolDecoder.java
+++ b/src/org/traccar/protocol/MtxProtocolDecoder.java
@@ -22,7 +22,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.model.Event;
diff --git a/src/org/traccar/protocol/MxtProtocolDecoder.java b/src/org/traccar/protocol/MxtProtocolDecoder.java
index 7f5ccabb2..a4e36acfb 100644
--- a/src/org/traccar/protocol/MxtProtocolDecoder.java
+++ b/src/org/traccar/protocol/MxtProtocolDecoder.java
@@ -21,7 +21,6 @@ import java.util.Date;
 import java.util.TimeZone;
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.helper.BitUtil;
 import org.traccar.helper.UnitsConverter;
diff --git a/src/org/traccar/protocol/OrionProtocolDecoder.java b/src/org/traccar/protocol/OrionProtocolDecoder.java
index 388178dad..63cc23878 100644
--- a/src/org/traccar/protocol/OrionProtocolDecoder.java
+++ b/src/org/traccar/protocol/OrionProtocolDecoder.java
@@ -24,7 +24,6 @@ import java.util.TimeZone;
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.buffer.ChannelBuffers;
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.model.Event;
diff --git a/src/org/traccar/protocol/PiligrimProtocolDecoder.java b/src/org/traccar/protocol/PiligrimProtocolDecoder.java
index fad9bc703..9e26594f2 100644
--- a/src/org/traccar/protocol/PiligrimProtocolDecoder.java
+++ b/src/org/traccar/protocol/PiligrimProtocolDecoder.java
@@ -26,7 +26,6 @@ import java.util.TimeZone;
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.buffer.ChannelBuffers;
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 import org.jboss.netty.handler.codec.http.DefaultHttpResponse;
 import org.jboss.netty.handler.codec.http.HttpRequest;
 import org.jboss.netty.handler.codec.http.HttpResponse;
diff --git a/src/org/traccar/protocol/ProgressProtocolDecoder.java b/src/org/traccar/protocol/ProgressProtocolDecoder.java
index 8613a760b..328facdea 100644
--- a/src/org/traccar/protocol/ProgressProtocolDecoder.java
+++ b/src/org/traccar/protocol/ProgressProtocolDecoder.java
@@ -26,7 +26,6 @@ import java.util.TimeZone;
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.buffer.ChannelBuffers;
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.model.Event;
diff --git a/src/org/traccar/protocol/Pt3000ProtocolDecoder.java b/src/org/traccar/protocol/Pt3000ProtocolDecoder.java
index e226a8fb2..c6102e891 100644
--- a/src/org/traccar/protocol/Pt3000ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Pt3000ProtocolDecoder.java
@@ -22,7 +22,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.model.Position;
@@ -34,7 +33,7 @@ public class Pt3000ProtocolDecoder extends BaseProtocolDecoder {
     }
 
     static private Pattern pattern = Pattern.compile(
-            "\\%(\\d+)," +                 // IMEI
+            "%(\\d+)," +                   // IMEI
             "\\$GPRMC," +
             "(\\d{2})(\\d{2})(\\d{2})\\.?\\d*," + // Time (HHMMSS.SSS)
             "([AV])," +                    // Validity
diff --git a/src/org/traccar/protocol/RitiProtocolDecoder.java b/src/org/traccar/protocol/RitiProtocolDecoder.java
index 98003bbcf..d1736302d 100644
--- a/src/org/traccar/protocol/RitiProtocolDecoder.java
+++ b/src/org/traccar/protocol/RitiProtocolDecoder.java
@@ -24,7 +24,6 @@ import java.util.regex.Pattern;
 
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.helper.ChannelBufferTools;
diff --git a/src/org/traccar/protocol/SanavProtocolDecoder.java b/src/org/traccar/protocol/SanavProtocolDecoder.java
index 729ed9793..630fcb16c 100644
--- a/src/org/traccar/protocol/SanavProtocolDecoder.java
+++ b/src/org/traccar/protocol/SanavProtocolDecoder.java
@@ -22,7 +22,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.model.Position;
diff --git a/src/org/traccar/protocol/Stl060ProtocolDecoder.java b/src/org/traccar/protocol/Stl060ProtocolDecoder.java
index c082ed479..df67c17d4 100644
--- a/src/org/traccar/protocol/Stl060ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Stl060ProtocolDecoder.java
@@ -21,7 +21,6 @@ import java.util.TimeZone;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.model.Event;
 import org.traccar.model.Position;
diff --git a/src/org/traccar/protocol/TaipProtocolDecoder.java b/src/org/traccar/protocol/TaipProtocolDecoder.java
index b21eb5f5a..b87134e73 100644
--- a/src/org/traccar/protocol/TaipProtocolDecoder.java
+++ b/src/org/traccar/protocol/TaipProtocolDecoder.java
@@ -23,10 +23,8 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
-import org.traccar.Protocol;
 import org.traccar.helper.UnitsConverter;
 import org.traccar.model.Position;
 
diff --git a/src/org/traccar/protocol/TelikProtocolDecoder.java b/src/org/traccar/protocol/TelikProtocolDecoder.java
index 9a7a1652a..e70b4e569 100644
--- a/src/org/traccar/protocol/TelikProtocolDecoder.java
+++ b/src/org/traccar/protocol/TelikProtocolDecoder.java
@@ -22,7 +22,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.model.Event;
diff --git a/src/org/traccar/protocol/Tk102ProtocolDecoder.java b/src/org/traccar/protocol/Tk102ProtocolDecoder.java
index a278d65df..88d04a76f 100644
--- a/src/org/traccar/protocol/Tk102ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Tk102ProtocolDecoder.java
@@ -22,7 +22,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.model.Position;
diff --git a/src/org/traccar/protocol/Tlt2hProtocolDecoder.java b/src/org/traccar/protocol/Tlt2hProtocolDecoder.java
index 3cdb9199a..a81782deb 100644
--- a/src/org/traccar/protocol/Tlt2hProtocolDecoder.java
+++ b/src/org/traccar/protocol/Tlt2hProtocolDecoder.java
@@ -24,7 +24,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.model.Event;
diff --git a/src/org/traccar/protocol/TopflytechProtocolDecoder.java b/src/org/traccar/protocol/TopflytechProtocolDecoder.java
index 4a3eb533e..d2f028ad5 100644
--- a/src/org/traccar/protocol/TopflytechProtocolDecoder.java
+++ b/src/org/traccar/protocol/TopflytechProtocolDecoder.java
@@ -22,7 +22,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.model.Position;
diff --git a/src/org/traccar/protocol/Tr20ProtocolDecoder.java b/src/org/traccar/protocol/Tr20ProtocolDecoder.java
index 3a05fadd8..fd6ef2d61 100644
--- a/src/org/traccar/protocol/Tr20ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Tr20ProtocolDecoder.java
@@ -22,7 +22,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.helper.UnitsConverter;
@@ -35,10 +34,10 @@ public class Tr20ProtocolDecoder extends BaseProtocolDecoder {
     }
 
     static private Pattern patternPing = Pattern.compile(
-            "\\%\\%[^,]+,(\\d+)");
+            "%%[^,]+,(\\d+)");
 
     static private Pattern patternData = Pattern.compile(
-            "\\%\\%" +
+            "%%" +
             "([^,]+)," +                   // Id
             "([AL])," +                    // Validity
             "(\\d{2})(\\d{2})(\\d{2})" +   // Date (YYMMDD)
diff --git a/src/org/traccar/protocol/TrackboxProtocolDecoder.java b/src/org/traccar/protocol/TrackboxProtocolDecoder.java
index 51743c2ba..a6c24599b 100644
--- a/src/org/traccar/protocol/TrackboxProtocolDecoder.java
+++ b/src/org/traccar/protocol/TrackboxProtocolDecoder.java
@@ -22,7 +22,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.model.Event;
diff --git a/src/org/traccar/protocol/TramigoFrameDecoder.java b/src/org/traccar/protocol/TramigoFrameDecoder.java
index f6dde4298..4055d2255 100644
--- a/src/org/traccar/protocol/TramigoFrameDecoder.java
+++ b/src/org/traccar/protocol/TramigoFrameDecoder.java
@@ -20,7 +20,6 @@ import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.buffer.ChannelBuffers;
 import org.jboss.netty.channel.Channel;
 import org.jboss.netty.channel.ChannelHandlerContext;
-import org.jboss.netty.handler.codec.frame.FrameDecoder;
 import org.jboss.netty.handler.codec.frame.LengthFieldBasedFrameDecoder;
 
 public class TramigoFrameDecoder extends LengthFieldBasedFrameDecoder {
diff --git a/src/org/traccar/protocol/TramigoProtocolDecoder.java b/src/org/traccar/protocol/TramigoProtocolDecoder.java
index 3035c8f29..8a1e9046d 100644
--- a/src/org/traccar/protocol/TramigoProtocolDecoder.java
+++ b/src/org/traccar/protocol/TramigoProtocolDecoder.java
@@ -18,7 +18,6 @@ package org.traccar.protocol;
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.buffer.ChannelBuffers;
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.helper.UnitsConverter;
 import org.traccar.model.Event;
diff --git a/src/org/traccar/protocol/V680ProtocolDecoder.java b/src/org/traccar/protocol/V680ProtocolDecoder.java
index 6b8557a5a..5036817a5 100644
--- a/src/org/traccar/protocol/V680ProtocolDecoder.java
+++ b/src/org/traccar/protocol/V680ProtocolDecoder.java
@@ -22,7 +22,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.model.Event;
diff --git a/src/org/traccar/protocol/VisiontekProtocolDecoder.java b/src/org/traccar/protocol/VisiontekProtocolDecoder.java
index 49be11d6d..9a62f4e5c 100644
--- a/src/org/traccar/protocol/VisiontekProtocolDecoder.java
+++ b/src/org/traccar/protocol/VisiontekProtocolDecoder.java
@@ -21,7 +21,6 @@ import java.util.TimeZone;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.helper.UnitsConverter;
 import org.traccar.model.Event;
diff --git a/src/org/traccar/protocol/WialonProtocolDecoder.java b/src/org/traccar/protocol/WialonProtocolDecoder.java
index e79a7e9ee..7d8382ad6 100644
--- a/src/org/traccar/protocol/WialonProtocolDecoder.java
+++ b/src/org/traccar/protocol/WialonProtocolDecoder.java
@@ -24,7 +24,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.helper.UnitsConverter;
diff --git a/src/org/traccar/protocol/WondexProtocolDecoder.java b/src/org/traccar/protocol/WondexProtocolDecoder.java
index 5771df043..4c35321cc 100644
--- a/src/org/traccar/protocol/WondexProtocolDecoder.java
+++ b/src/org/traccar/protocol/WondexProtocolDecoder.java
@@ -22,7 +22,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.helper.UnitsConverter;
diff --git a/src/org/traccar/protocol/XexunProtocolDecoder.java b/src/org/traccar/protocol/XexunProtocolDecoder.java
index 1bd155a56..348c30bde 100644
--- a/src/org/traccar/protocol/XexunProtocolDecoder.java
+++ b/src/org/traccar/protocol/XexunProtocolDecoder.java
@@ -22,7 +22,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.model.Event;
diff --git a/src/org/traccar/protocol/Xt013ProtocolDecoder.java b/src/org/traccar/protocol/Xt013ProtocolDecoder.java
index 11ae14d22..b2056ea14 100644
--- a/src/org/traccar/protocol/Xt013ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Xt013ProtocolDecoder.java
@@ -16,7 +16,6 @@
 package org.traccar.protocol;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.helper.UnitsConverter;
 import org.traccar.model.Event;
diff --git a/src/org/traccar/protocol/YwtProtocolDecoder.java b/src/org/traccar/protocol/YwtProtocolDecoder.java
index 67ea13817..7e3001f86 100644
--- a/src/org/traccar/protocol/YwtProtocolDecoder.java
+++ b/src/org/traccar/protocol/YwtProtocolDecoder.java
@@ -22,7 +22,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.model.Event;
diff --git a/src/org/traccar/web/JsonConverter.java b/src/org/traccar/web/JsonConverter.java
index a78821d1f..ad28a96fe 100644
--- a/src/org/traccar/web/JsonConverter.java
+++ b/src/org/traccar/web/JsonConverter.java
@@ -19,9 +19,7 @@ import java.beans.Introspector;
 import java.io.Reader;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
-import java.text.DateFormat;
 import java.text.ParseException;
-import java.text.SimpleDateFormat;
 import java.util.Collection;
 import java.util.Date;
 import java.util.Map;
@@ -33,7 +31,6 @@ import javax.json.JsonObjectBuilder;
 import javax.json.JsonReader;
 import javax.json.JsonValue;
 
-import org.apache.log4j.helpers.ISO8601DateFormat;
 import org.joda.time.DateTime;
 import org.joda.time.format.DateTimeFormatter;
 import org.joda.time.format.ISODateTimeFormat;