jsp项目上传虚拟主机后,类文件出错

Question

类文件物理路径如下:
file:/E:/Host/001/ytd2008.chinajsp.net/ROOT/WEB-INF/classes/servlet/Indexservlet.class 
购买的虚拟空间目录
/WEB-INF/classes/servlet
WEB.xml配置文件
<servlet>
    <servlet-name>indexservlet</servlet-name>
    <servlet-class>servlet.IndexServlet</servlet-class>
  </servlet>
  <servlet-mapping>
    <servlet-name>indexservlet</servlet-name>
    <url-pattern>/indexservlet</url-pattern>
  </servlet-mapping>
出错信息:
HTTP Status 500 - --------------------------------------------------------------------------------type Exception reportmessage description The server encountered an internal error () that prevented it from fulfilling this request.exception javax.servlet.ServletException: Error allocating a servlet instance
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:199)
org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:282)
org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:754)
org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:684)
org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:876)
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
java.lang.Thread.run(Thread.java:595)
root cause java.lang.NoClassDefFoundError: IndexServlet (wrong name: servlet/IndexServlet)
java.lang.ClassLoader.defineClass1(Native Method)
java.lang.ClassLoader.defineClass(ClassLoader.java:620)
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1812)
org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:866)
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1319)
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1198)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:199)
org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:282)
org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:754)
org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:684)
org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:876)
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
java.lang.Thread.run(Thread.java:595)懂的朋友救命啊.第一次上传,搞不定