Spring boot 嵌入的tomcat不能启动: Unregistering JMX-exposed beans on shutdown

在官网(http://start.spring.io/)上generate project,将生成的项目导入idea中,运行之后控制台输出“Unregistering JMX-exposed beans on shutdown”,tomcat也没有运行。寻找原因,看了下pom.xml文件中tomcat依赖关系如下:
<dependency>
        <groupId>org.springframework.bootgroupId>
        <artifactId>spring-boot-starter-tomcatartifactId>
        <scope>providedscope>
    dependency>
provided注释掉,重新运行项目便可启动嵌入的tomcat服务器:Tomcat started on port(s): 8080 (http)

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