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Foreword

 

Grails in Action is a book for practitioners from practitioners. Glen’s “20-hour challenge,” in which he implemented the www.groovyblogs.org service in Grails, has become legendary. That site is still my one-and-only resource for staying up to date with Groovy and Grails. Not only has he been one of the frontrunners of Grails, he made his achievements publicly available, both by sharing his code and by sharing his insights through blogging and public speaking. I have long wished that he would capture his wisdom in a book, and I can hardly believe that I can now hold it in my hands.

Glen’s “from the trenches” experience is ideally complemented by Peter’s insider knowledge, which he has shown thousands of times when answering questions on the Grails user mailing list. If anybody on this planet knows what people ask about Grails, he does.

Writing a good book on Grails is a challenge. As an author, you are tempted to present the full cornucopia of features, but you would like to also get across the simplicity that Grails brings to Java web application development.

Glen and Peter have found an excellent balance between providing a low-barrier entry into the Grails world and covering the issues that you are likely to encounter when using Grails in more demanding scenarios.