tomcat配置manager密码md5加密不成功，求救!!!!

Question

server.xml      <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
             resourceName="UserDatabase" digest="MD5"/>tomcat-users.xml<?xml version='1.0' encoding='utf-8'?>
<tomcat-users>
  <role rolename="manager"/>
   <user username="manager" password="5f4dcc3b5aa765d61d8327deb882cf99" roles="manager"/>
</tomcat-users>web.xml <login-config>
    <auth-method>DIGEST</auth-method>
    <realm-name>Tomcat Manager Application</realm-name>
  </login-config>但是登陆时提示密码不正确不知那里错了