<context-param>
    <param-name>bdhost</param-name>
    <param-value>localhost</param-value>
  </context-param>
  <context-param>
    <param-name>bdport</param-name>
    <param-value> 3306 </param-value>
  </context-param>
  <context-param>
    <param-name>bduser</param-name>
    <param-value>root</param-value>
  </context-param>
  <context-param>
    <param-name>bdpass</param-name>
    <param-value>pass</param-value>
  </context-param>
  <context-param>
    <param-name>bdname</param-name>
    <param-value>mybeandb</param-value>
  </context-param>