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Springboot Helloworld

bugs​

Port 8080 was already in use.​

springboot默认使用8080端口, 被占用则无法启动.

application.properties中可以配置使用其他端口, 比如 server.port=8090.

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APPLICATION FAILED TO START
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Description:

Web server failed to start. Port 8080 was already in use.

Action:

Identify and stop the process that's listening on port 8080 or configure this application to listen on another port.

Whitelabel Error Page​

一个全新的springboot application应用, 还没有任何url转发, web访问会报错Whitelabel Error Page, 没有explicit mapping for /error.

Whitelabel Error Page
This application has no explicit mapping for /error, so you are seeing this as a fallback.

Mon Jul 10 19:22:59 CST 2023
There was an unexpected error (type=Not Found, status=404).

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