Maven The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path

1.解决方案一

pom.xml中添加：

<dependency>

    <groupId>javax.servlet</groupId>

    <artifactId>servlet-api</artifactId>

    <version>2.5</version>

    <scope>provided</scope>

</dependency>

2.解决方案二

1、右击web工程-》属性或Build Path-》Java Build Path->Libraries-> Add Libray...->Server Runtime -》Tomcat Server
2、切换到Java Build Path界面中的Orader and Export，选择Tomcat。