Linux Centos 创建 Minecraft 服务器 客户端无法连接

minecrafjava -Xmx512M -Xms512M -jar minecraft_server.jar nogui

2014-12-15 13:17:08 [INFO] Loading properties
2014-12-15 13:17:08 [INFO] Default game type: SURVIVAL
2014-12-15 13:17:08 [INFO] Generating keypair
2014-12-15 13:17:08 [INFO] Starting Minecraft server on *:25565
2014-12-15 13:17:08 [INFO] Preparing level "world"
2014-12-15 13:17:08 [INFO] Preparing start region for level 0
2014-12-15 13:17:09 [INFO] Preparing spawn area: 92%
2014-12-15 13:17:09 [INFO] Done (1.261s)! For help, type "help" or "?"
java.io.IOException: Bad packet id 105
at ei.a(SourceFile:193)
at ci.i(SourceFile:250)
at ci.c(SourceFile:16)
at cj.run(SourceFile:94)
2014-12-15 13:18:08 [INFO] Disconnecting /222.82.xx.xx:58163: Protocol error
2014-12-15 13:18:08 [INFO] /222.82.92.80:58163 lost connection
2014-12-15 13:18:09 [INFO] /222.82.92.80:58167 lost connection
java.io.IOException: Bad packet id 105
at ei.a(SourceFile:193)
at ci.i(SourceFile:250)
at ci.c(SourceFile:16)
at cj.run(SourceFile:94)
2014-12-15 13:18:19 [INFO] Disconnecting /222.82.xx.xx:58195: Protocol error
2014-12-15 13:18:19 [INFO] /222.82.xx.xx:58195 lost connection
2014-12-15 13:18:19 [INFO] /222.82.xx.xx:58200 lost connection