Step-by-Step XML Free Spring MVC 3 Configuration

The release of Spring 2.5 reduce the burden of XML by introduction annotation based configuration, but you still needed to bootstrap Spring in XML. However in Servlet 3 and Spring 3.1 we can now drop XML completely and have 100% code based configuration. All thanks to the Servlet 3 specification.

So lets see today how you can create Spring MVC application XML Free.

Step-by-Step Guide

Step 1) Create a Enterprise Java project in Eclipse and include Spring v3.1+ jars.

Step 2) Create a class which implements spring WebApplicationInitializer and override onStartup() method.
Inside onStartup() method, instantiate AnnotationConfigWebApplicationContext class and set ServletContext. We also need to set a base package name of your configuration files.

Step 3) Next step is to configure Spring MVC. I do that in following class.
@EnableWebMvc annotation used together with @Configuration enables default Spring MVC configuration, equivalent to . With @ComponentScan annotation we make sure our @Controller will be added to the application context. The configuration class also defines one @Bean: our default view resolver.

Step 4) Now create a simple Controller to see whether its working fine or Not.


I really like this configuration changes in Spring MVC. It is easy to bootstrap the application with no xml files in place. Of course, this is not everything that Spring MVC 3 brings to the developers. With all the configuration in code it is so easy to refactor and navigate. No more back and forth with XML For more feature of spring mvc, please keep visiting TechZoo.

Happy Coding 🙂

Download Project war (size: ~10.27 kb without jars)

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