pom.xml の内容
<?xml version="1.0"coding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3 .org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>org.example</groupId> <artifactId>web-demo</artifactId> <version>1.0-SNAPSHOT</version> <packaging>war</packaging> <properties > <maven.compiler.source>8</maven.compiler.source> <maven.compiler.target>8</maven.compiler.ターゲット> </properties> <依存関係 > <依存関係> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>3.1.0</version> <scope>provided</scope> </dependency> </dependency> <build> <plugins> <!--tomcat 插件--> <plugin> <groupId>org.apache .tomcat.maven</groupId> <artifactId>tomcat7-maven-plugin</artifactId> <version>2.2</version> </plugin> </plugins> </build> </project>