启动primefaces和解决mime的问题 在web.xml文件中配置

<!--what's FontAwesome
FontAwesome Font Awesome is a highly customizable scalable vector iconset
with 479 icons. In addition to the default ThemeRoller icons, Font Awesome
icons are provided out of the box within PrimeFaces. In order to enable Font
Awesome support, enable primefaces.FONT_AWESOME setting as true via a context
param. -->
<!-- 让primefaces 的FONT_AWESOME 起作用 -->
<context-param>
<param-name>primefaces.FONT_AWESOME</param-name>
<param-value>true</param-value>
</context-param>
<!-- 必须要指定该mime的映射类型，否则tomcat启动时弹出警告 -->
<mime-mapping>
<extension>woff2</extension>
<mime-type>application/x-front-woff</mime-type>
</mime-mapping>