springboot启动错误：Unable to start web server； Unable to start embedded Tomcat

org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat

无法启动web服务器；无法启动嵌入式Tomcat

使用maven的话可以通过下述命令进行打印

mvn dependency:tree > version.txt   # 输出到文件里

参考：链接: https://blog.csdn.net/weixin_42189550/article/details/122298638?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522165069012016781435432064%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fall.%2522%257D&request_id=165069012016781435432064&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2_allfirst_rank_ecpm_v1~rank_v31_ecpm-2-122298638.142^v9pc_search_result_control_group,157^v4control&utm_term=idea+spingboot+%E6%80%8E%E4%B9%88%E4%BF%AE%E6%94%B9tomcat%E7%89%88%E6%9C%AC&spm=1018.2226.3001.4187.

修改 pom.xml 文件：

    
        8.5.72
    

    
        org.springframework.boot
        spring-boot-starter-tomcat
        provided
       
 
    
        org.apache.tomcat
        tomcat-juli
        ${tomcat.version}