将servlet版本修改为3.0.1

pom.xml

@@ -46,7 +46,8 @@
 	<dependencies>
 		<dependency>
 			<groupId>javax.servlet</groupId>
-			<artifactId>servlet-api</artifactId>
+			<artifactId>javax.servlet-api</artifactId>
+			<version>3.0.1</version>
 		</dependency>
 		<dependency>
 			<groupId>junit</groupId>