紧急：使用axis发布wsdd的时候，出现404的错误。

错误如下：
[axis-admin] Processing file D:\java\javaproject\SimpleService\src\com\ttdev\simpleservice\deploy.wsdd
[axis-admin] AxisFault
[axis-admin]  faultCode: {http://xml.apache.org/axis/}HTTP
[axis-admin]  faultSubcode: 
[axis-admin]  faultString: (404)Not Found
[axis-admin]  faultActor: 
[axis-admin]  faultNode: 
[axis-admin]  faultDetail: 
[axis-admin]  {}:return code:  404
[axis-admin] <html><head><title>Apache Tomcat/6.0.29 - Error report</title><style><!--H1 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:22px;} H2 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:16px;} H3 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:14px;} BODY {font-family:Tahoma,Arial,sans-serif;color:black;background-color:white;} B {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;} P {font-family:Tahoma,Arial,sans-serif;background:white;color:black;font-size:12px;}A {color : black;}A.name {color : black;}HR {color : #525D76;}--></style> </head><body><h1>HTTP Status 404 - /SimpleService/servlet/AxisServlet</h1><HR size="1" noshade="noshade"><p><b>type</b> Status report</p><p><b>message</b> <u>/SimpleService/servlet/AxisServlet</u></p><p><b>description</b> <u>The requested resource (/SimpleService/servlet/AxisServlet) is not available.</u></p><HR size="1" noshade="noshade"><h3>Apache Tomcat/6.0.29</h3></body></html>
[axis-admin]  {http://xml.apache.org/axis/}HttpErrorCode:404
[axis-admin] Running axis-admin with parameters:
[axis-admin]   action:
[axis-admin]   url:http://localhost:8080/SimpleService/servlet/AxisServlet
[axis-admin]   hostname:null
[axis-admin]   port:0
[axis-admin]   servletPath:null
[axis-admin]   fileProtocol:null
[axis-admin]   username:null
[axis-admin]   password:null
[axis-admin]   transportChain:null
[axis-admin]   debug:false
求解决方法。谢谢了