装备报错：Failed to execute goal org.apache.maven.plugins:maven-war-plugin:2.2:war (default-war) on project fitdegree: Error assembling WAR: webxml attribute is required (or pre-existing WEB-INF/web.xml if executing in update mode)

中文注释：org.apache.maven.plugins:maven-war-plugin:2.2:war (default-war)在项目fitdegree上:错误组装war: webxml属性是必需的(或预先存在的WEB-INF/web.xml如果在更新模式下执行)

解决方法：在pom文件添加上

<build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-war-plugin</artifactId>
                <version>3.0.0</version>
                <configuration>
                    <failOnMissingWebXml>false</failOnMissingWebXml>
                </configuration>
            </plugin>
        </plugins>
</build>

然后再ctrl+f9 热部署一下