Spring Framework

What is the difference between a JAR and a WAR distribution in Spring Boot?

Spring Boot can create a self-executable WAR file that runs without needing a servlet container. A JAR file has to be deployed to an existing web container such as Tomcat with separate files for dependencies.

Spring Boot can create a JAR file that contains bytecode that interacts directly with the OS without needing a servlet container. A WAR file has to be deployed to an existing web container such as Tomcat with separate files for dependencies.

The Spring Boot JAR file will be deployed to a Servlet container such as Tomcat on an existing running web server locally. The WAR file will be deployed to a cloud-based servlet container.

Spring Boot can create a self-executable JAR file that contains all the dependencies and an embedded Servlet container. A WAR file has to be deployed to an existing web container such as Tomcat.

Answer:
Spring Boot can create a self-executable JAR file that contains all the dependencies and an embedded Servlet container. A WAR file has to be deployed to an existing web container such as Tomcat.

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