如下图，idea启动springboot失败，8080端口被占用
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2018-05-23 22:18:43.688 ERROR 3793 --- [ restartedMain] o.s.b.d.LoggingFailureAnalysisReporter :
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APPLICATION FAILED TO START
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Description:
Web server failed to start. Port 8020 was already in use.
Action:
Identify and stop the process that's listening on port 8020 or configure this application to listen on another port.
Error startin
