Eclipse creates the Maven Java8 Web project and deploys the Tomcat__java directly

(1) Remove the tick of dynamic WEB module first
(2) Change the Java version to 1.8, click Apply
(3) Check the dynamic Web Module again, click Apply
(4) Click the further configuration available that appears below to set

Click on the right runtimes to select Tomcat installed on this computer

Click the Apply and Close button to save the settings

The error is due to the SERVELT-API can not be found, edit pom.xml

<project xmlns= "http://maven.apache.org/POM/4.0.0" xmlns:xsi= "Http://www.w3.org/2001/XMLSchema-instance" xsi:s chemalocation= "http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd" > <modelversion >4.0.0</modelVersion> <groupId>com.cntaiping.tpa</groupId> <artifactid>es</ artifactid> <packaging>war</packaging> <version>0.0.1-SNAPSHOT</version> &LT;NAME&G T;es Maven webapp</name> <url>http://maven.apache.org</url> <properties> <proje Ct.build.sourceencoding>utf-8</project.build.sourceencoding> <maven.compiler.source>1.8</
    Maven.compiler.source> <maven.compiler.target>1.8</maven.compiler.target> </properties> <dependencies> <!--Https://mvnrepository.com/artifact/mysql/mysql-connector-java--> < Dependency> <groupid>mysql&Lt;/groupid> <artifactId>mysql-connector-java</artifactId> <version>5.1.5< /version> </dependency> <!--https://mvnrepository.com/artifact/javax.servlet/javax.servlet-ap I--> <dependency> <groupId>javax.servlet</groupId> <artifactid&gt ;javax.servlet-api</artifactid> <version>3.1.0</version> &LT;SCOPE&GT;PROVIDED&L
            t;/scope> </dependency> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.9</version> <scope> test</scope> </dependency> </dependencies> <build> <finalName>es<
 /finalname> </build> </project>

Note: This is not the standard structure for the default MAVEN project, we need to change

Right-click the item and select New–>source Folder

Enter Src/main/java at Folder name, click Finish button