When using Tomcat to start the war package, it reports Not running on Jetty, JSR-356 support unavailable error + vue project published in tomcat

WAR package is started in TOMCAT, and the above error is reported

Comment out JETTY related dependencies

<!--        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-jetty</artifactId>
            <scope>${jetty.scope}</scope>
        </dependency>-->

Report the following error

Unable to start ServletWebServerApplicationContext due to missing ServletWebServerFactory bean

View dependencies:

Found that TOCMAT related dependencies are exclusion

Comment out

        <!-- spring-boot使用jetty容器配置begin -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
            <exclusions>
                <exclusion>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-starter-tomcat</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>org.apache.logging.log4j</groupId>
                    <artifactId>log4j-api</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

Run again and start successfully

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Package the vue project with npm run build, copy the packaged directory to the static directory of the springboot project, and then publish the entire war to tomcat

 

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Why should springboot be published to tomcat? ?