删掉web.xml,完全没用了

src/main/webapp/WEB-INF/web.xml

-<?xml version="1.0" encoding="UTF-8"?>
-<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xmlns="http://java.sun.com/xml/ns/javaee"
-	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
-	version="3.0">
-	<display-name>guns</display-name>
-
-	<error-page>
-		<error-code>404</error-code>
-		<location>/global/error</location>
-	</error-page>
-
-	<error-page>
-		<error-code>500</error-code>
-		<location>/global/error</location>
-	</error-page>
-
-</web-app>
\ No newline at end of file