测试官网DEMO出错：

req.setAppKey("nls-service"); // appkey请从 "快速开始" 帮助页面的appkey列表中获取

req.authorize("", ""); Access Key ID和Access Key Secret

其它无改动，加了

com.google.gson_2.2.4.v201311231704.jar

netty-3.7.0.Final.jar

nls-service-sdk.jar

slf4j-simple-1.7.5.jar

包跟jdk 1.7

运行报错：

A java Exception has occurred

console:

Exception in thread "main" java.lang.NoClassDefFoundError: org/jboss/netty/channel/ChannelFactory

at main.java.com.demo.AsrDemo.(AsrDemo.java:14)

Caused by: java.lang.ClassNotFoundException: org.jboss.netty.channel.ChannelFactory

at java.net.URLClassLoader.findClass(URLClassLoader.java:381)

at java.lang.ClassLoader.loadClass(ClassLoader.java:424)

at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)

at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

... 1 more

求帮忙解决问题！！谢谢