相对路径问题??
<filter-mapping>
<filter-name>encoding</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>auth</filter-name>
<url-pattern>/security/*</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>auth</filter-name>
<url-pattern>/admin/*</url-pattern>
</filter-mapping>
上面的URL Pattern为:“/*”、“/security/*”和“/admin/*”,那么他们是相对于什么路径的呢?