org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat server
at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.start(TomcatWebServer.java)
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.startWebServer(ServletWebServerApplicationContext.java)
at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.start(TomcatWebServer.java)
Caused by: org.apache.catalina.LifecycleException: Protocol handler start failed
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java)
Caused by: java.net.SocketException: Permission denied
原因是端口号被占用了，修改一下端口号。文章来源：https://www.toymoban.com/news/detail-799900.html
文章来源地址https://www.toymoban.com/news/detail-799900.html
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