This uses our simple spring boot application from Creating Simple Spring Boot Web Application Tutorial. By default, Spring Boot applications are packaged as executable JAR files with embedded Tomcat. With both options, an embedded servlet container (tomcat by default) can also be included in the package so that the archive (jar or war) can be executed as a … First, we extend our main class to SpringBootServletInitializer. spring-boot-maven-plugin. The Spring Boot Maven Plugin provides Spring Boot support in Maven, allowing you to package executable jar or war archives and run an application “in-place”. How to change your JAR Spring Boot app to be packaged and deployed as WAR without sacrificing direct execution capabilities of embedded app server. Spring Boot comes with two powerful plugins: spring-boot-gradle-plugin. Converting a Spring Boot JAR Application to a WAR. Create WAR File in Spring Boot. You can run them directly by java -jar command. WAR vs JAR. Extending Main Class. Traditional Java web applications need a servlet container (application server) to run. They both essentially have feature parity and provide the ability to run Spring Boot apps from the command line as well as bundle up runnable JARs.
A spring boot web application can be packaged in a jar file or can be packaged in a war file as we saw in this tutorial. For more details on this topic, please read Create a Fat Jar App with Spring Boot. 50.1 Including the plugin To use the Spring Boot Maven Plugin simply include the appropriate XML in the plugins section of your pom.xml This tells spring that your main class will be the entry point to initialize your project in server. In this tutorial, we'll explore the differences between starting a Spring Boot web application via the mvn spring-boot:run command and running it after it is compiled into a jar/war package via the java -jar command.. Let's assume here you're already familiar with the configuration of the Spring Boot repackage goal. To use it you must be using Maven 3 (or better). This is just a three step simple procedure to package your application into war.
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