The server encountered an internal error () that prevented it from fulfillin

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Filter execution threw an exception

root cause

java.lang.NoClassDefFoundError: Could not initialize class com.yxq.action.IndexAction
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
java.lang.reflect.Constructor.newInstance(Unknown Source)
java.lang.Class.newInstance0(Unknown Source)
java.lang.Class.newInstance(Unknown Source)
com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:123)
com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:154)
com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.j

The selected server is enabled Please contact the server administrator, 中文是什么意思？ FOXMAIL群发弹出the server reply 550 user suspended continue The requested URL was not found on this server. Can Not Download the server list-街头篮球 The RPC server is unavailable问题怎么解决？ 玩美服跑跑时提The server cannot be reached. The server encountered an unexpected condition which prevented it from fulfilling the request. IE无法接到一些网站并提示Connection to server www.kugoo.com failed (The server is not responding.) You system has been modified .Please remove the modified to play one the server.Code（20）