tomcat+soap still don't work

[Xiao-Ye Wu]

Hi ya,
   I've tried both solutions, but none of them worked on my machine, get the 
same error:

java.lang.NoClassDefFoundError: javax/servlet/ServletContext
        at 
org.apache.soap.server.http.ServerHTTPUtils.getServiceManagerFromContext
(ServerHTTPUtils.java:102)
        at admin.deploy_1._jspService(deploy_1.java:71)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:119)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java)
        at org.apache.tomcat.facade.ServletHandler.doService
(ServletHandler.java:574)
        at org.apache.tomcat.core.Handler.invoke(Handler.java:322)
        at org.apache.tomcat.core.Handler.service(Handler.java:235)
        at org.apache.tomcat.facade.ServletHandler.service
(ServletHandler.java:485)
        at org.apache.tomcat.core.ContextManager.internalService
(ContextManager.java:917)
        at org.apache.tomcat.core.ContextManager.service
(ContextManager.java:833)
        at 
org.apache.tomcat.modules.server.Http10Interceptor.processConnection
(Http10Interceptor.java:176)
        at org.apache.tomcat.util.net.TcpWorkerThread.runIt
(PoolTcpEndpoint.java:494)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run
(ThreadPool.java:516)
        at java.lang.Thread.run(Thread.java:536)

Is SOAP compatable with windows98 or it only works on winnt & winxp? 

thanks very much for help.

xiaoye wu