How to change the server's port number in spring boot
problem
You have a Java web application that uses Spring Boot and you wish to change the default port number (i.e. 8088) the web server is running on.
SOLUTION 1
One solution is by specifying the preferred port number in the application.properties file as follows:
server.port=8081
running
When the program runs the server port should show the one specified above i.e. 8081
Correct! The port number is 8081
SOLUTION 2
Using Virtual Machine (VM) arguments and specifying the following key-value pair:
-Dserver.port=9999
If you’re using IntelliJ IDE, it can be specified in the run configuration as shown in the screenshot below:
running
conclusion
In this post we saw two different ways for changing the default server port in Spring Boot.
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Ellion
Professional IT consultant, writer, programmer enthusiast interested in all sorts of coding.
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