Springboot错误：Unable to start embedded Tomcat server

Failed to start bean 'webServerStartStop'; nested exception is org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat server

 Confirm whether it is the problem since then, otherwise the port is occupied or out of range. The port of the TCP protocol is 2 bytes and 16 bits, which means that the maximum number is 2^16-1=65535. Set the port number to a number less than 65535. up!