自定义了404.jsp, 500.jsp，发现在出现404的时候响应404.jsp报错了：

[DEBUG] 12:23:56.550 org.nutz.mvc.impl.UrlMappingImpl.get(UrlMappingImpl.java:110) - Search mapping for [GET] path=/aa : NOT Action match
[INFO ] 12:23:56.553 org.eclipse.jetty.server.handler.ContextHandler$Context.log(ContextHandler.java:2351) - No JSP support.  Check that JSP jars are in lib/jsp and that the JSP option has been specified to start.jar

添加了 jsp-2.1-glassfish依赖，但没什么效果