需要在每个项目的web-info的web.xml中添加
<context-param> <param-name>webAppRootKey</param-name> <param-value>webapp.项目名</param-value> </context-param> 如: <context-param> <param-name>webAppRootKey</param-name> <param-value>webapp.myproject1</param-value> </context-param>