How to deploy Spring Boot Web App War file to Tomcat Server with Maven build

The tutorial is a guide to traditional deployment problem: “How to create a Spring Boot Web App War file with Maven then deploys it on Tomcat server”


I. Technologies

– Java 1.8
– Maven 3.3.9
– Spring Tool Suite – Version 3.8.1.RELEASE
– Spring Boot: 1.5.6.RELEASE
– Tomcat: apache-tomcat-8.5.20

II. Practice

1. Create a War file

– Create Spring Boot Web App
extends SpringBootServletInitializer & override configure method
– Update build configuration: war
– Configure embedded servlet container dependency as provided

1.1. Create Spring Boot Web App

– Open Spring Tool Suite, on main menu, choose File->New->Spring Starter Project, add project info, then press Next for needed dependencies:
For Template Engines, choose Thymeleaf
For Web MVC, choose Web->Web

Spring Boot Web App War file

Open pom.xml file to check dependencies:

– Create a simple controller WebController

– Create a simple view page: home.html

1.2. Extends SpringBootServletInitializer

In main class, extends SpringBootServletInitializer subclass and override configure method. Details:

1.3. Update build configuration

– Update your build configuration: war
– Configure embedded servlet container dependency as provided

2. Deploy War file on Tomcat

– Build the project: maven clean install. Then go to target folder, we have a war file: SpringBootWarDeployment-0.0.1.war.

– Copy SpringBootWarDeployment-0.0.1.war to apache-tomcat-8.5.13\webapps folder and rename it to javasampleapp.

– Go to apache-tomcat-8.5.13\bin, then start: startup.bat(startup.sh)

Results:

Spring Boot Web App War file result

III. SourceCode

SpringBootWarDeployment

By JavaSampleApproach | April 11, 2017.


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