I'm creating basic spring boot application as in

CodePudding user response：

complete folder is just the root project name in the guide. In your case, the root project name is spring-boot, go to spring-boot directory and run ./mvnw spring-boot:run.

CodePudding user response：

Please just run mvn spring-boot:run in the project root without the directory specifier.

./ could be used for unix like systems but not windows.