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Real World Grails

Scott Davis is the Editor in Chief of aboutGroovy.com. The website, in addition to being, umm, about Groovy, is implemented in Grails. This talk shows you how to get started with Grails, but also talks about the experience of using it in a live, production web site.

Grails is a fully integrated, modern Java web development stack. In a single zip file, it includes a web server (Jetty), a database (HSQLDB), a build system (GANT, a Groovy/Ant hybrid), a logging framework (Log4J), and a unit testing framework (JUnit). It also includes mainstream libraries like Spring for dependency injection, Hibernate for Object/Relational mapping, Quartz for scheduling, and SiteMesh for page layout. For Ajax, Grails allows you to choose between three major included technology stacks: Prototype/script.aculo.us, the Yahoo UI library, and Dojo. Coupling the power of these mainstream libraries with the ease-of-use that Groovy offers, you have an unprecedented collection of technologies that will have you up and running in record time.

Grails maximizes the strengths of these familiar Java libraries while minimizing the XML jockeying it usually takes to get them all to play nicely with one another. It brings “Convention over Configuration” to Java. It uses Groovy as the language to glue the pieces together, which means that experienced JEE developers can learn Groovy in the context of libraries that they are already familiar with.

It is no exaggeration to say that you will have your first Grails application up and running in minutes. But Grails is more than about a quick start. In this talk, we'll look at ways to move beyond the default configurations. We'll deploy a Grails app to an external Tomcat instance instead of the included Jetty server. We'll move from the default HSQLDB database to MySQL. We'll include external JARs to bring new functionality to the mix.


About Scott Davis

Scott Davis is the founder of ThirstyHead.com, a training company that specializes in Groovy and Grails training.

Scott published one of the first public websites implemented in Grails in 2006 and has been actively working with the technology ever since. Author of the book Groovy Recipes: Greasing the Wheels of Java and two ongoing IBM developerWorks article series (Mastering Grails and in 2009, Practically Groovy), Scott writes extensively about how Groovy and Grails are the future of Java development.

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