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xkcph2017 / repository
a tutorial how to use the Spring Boot to create a production-grade executable jar file
I'll use my very own project to demonstrate how to use Spring Boot and if you are interested in the project itself, please refer to the original repo of this project.
This repo focuses on how to use the Spring Boot to create a production-grade executable jar file. Spring Boot is concerned with the infrastructure while you focus on writing your program. It's really that simple to build and run any of your existing Java program through Spring Boot.
First, there must be the maven plugin to create the executable jar file
in the pom.xml:
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
Second, you tell Spring Boot the main method of your program because it has its own main method.
<configuration>
<mainClass>xdvrx1_serverProject.MainMethod</mainClass>
</configuration>
And finally, when your program launches GUI, you must set
the headless mode in the SpringMainMethod file to false or else it
will throw a HeadlessException. This web server is not yet complete
but my plan is to add GUI.
SpringApplicationBuilder builder =
new SpringApplicationBuilder(SpringMainMethod.class);
builder.headless(false);
ConfigurableApplicationContext context = builder.run(args);
What others are doing is relying on CommandLineRunner. This is needed
when you want to trap user inputs on the command line once the
Spring Boot is started and before your program runs. In our case here,
we don't need that.
See the project for the complete codes and setup!
If you have questions, please feel free to ask me:
You can also create a pull request or raise an issue to start the discussion or query/ies.
Before you compile and build, make sure you are at the project directory
SpringBootProjectDir. Take note also, I'm using Maven build tool here.
In Windows,
to package your program as an executable jar file:
mvn clean package
to simply clean and compile:
mvn clean compile
to just clean your project:
mvn clean
to run the program:
mvn spring-boot:run
to build and run the program:
mvn clean install
MIT - the permissive license
Selected from shared topics, language and repository description—not editorial ratings.
jdevfullstack-tutorials /
a tutorial how to create a production-grade exe file from an existing Java project using the Spring Boot framework
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