Changing the Spring Boot Server Port Number

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Changing the Server Port Number

You can specify the port number with server.port in the application.properties configuration file.

Change the configuration file as follows. application.properties

server.port=1598

Run the Application

$ gradle bootRun
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2017-08-17 22:30:13.211  INFO 14485 --- [           main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat started on port(s): 1598 (http)
(omitted)

Description

  • For an explanation of application.properties, see here.
  • Other changes are also possible, such as the following.
    • server.address: Server address. If set to localhost, access is restricted to local access only.
    • server.sessionTimeout: Session timeout duration.