java更新bean的问题？

Question

后期我在bean里加了一个字段，然后生成完class 更新到服务器。本地测试这个字段是可以用的。
但是在服务器上一直报没有这个方法。一头雾水，谁遇到过求指教 报错如下：
java.lang.NoSuchMethodError: com.ruifight.outdoorequipment.bean.OutdoorEquipmentBean.setHardware_version(Ljava/lang/String;)V
at com.ruifight.dataapi.handler.ServerApi.DataRequest(ServerApi.java:558)
at com.ruifight.dataapi.handler.ServerApi.requestData(ServerApi.java:69)
at com.ruifight.dataapi.handler.ServerHandler.messageReceived(ServerHandler.java:118)
at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:296)
at org.jboss.netty.handler.codec.oneone.OneToOneDecoder.handleUpstream(OneToOneDecoder.java:71)
at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:268)
at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:255)
at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:94)
at org.jboss.netty.channel.socket.nio.AbstractNioWorker.processSelectedKeys(AbstractNioWorker.java:456)
at org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:327)
at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:35)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)

Answer 1

服务器数据库没有这个字段吗