update

pom.xml

@@ -32,5 +32,32 @@
             <version>1.7.24</version>
             <scope>provided</scope>
         </dependency>
+
+        <dependency>
+            <groupId>io.netty</groupId>
+            <artifactId>netty-codec</artifactId>
+            <version>4.0.44.Final</version>
+        </dependency>
+        <dependency>
+            <groupId>io.netty</groupId>
+            <artifactId>netty-handler</artifactId>
+            <version>4.0.44.Final</version>
+        </dependency>
     </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.3</version>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                    <compilerVersion>1.8</compilerVersion>
+                    <encoding>UTF-8</encoding>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
 </project>
\ No newline at end of file