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We've using groovy/grails for a couple of months and find it very nice language and framework, at least for prototyping.
The only thing constantly driving us mad is projects build time. Compiling small app consisting of few tiny domain classes took up as much time as if we are compiling something well, something more serious ))) So, the question is - are there any techniques and approaches which can be used to reduce grails project build time?
UPD: this question covers one of aspects, which make grail deployment slow - dependency resolution. In short, get rid of snapshot dependencies. The subquestion is how can I detect such dependencies fast?
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Go to start.grails.org and use the Grails Application Forge to generate your Grails project. You can choose your project type (Application or Plugin), pick a version of Grails, and choose a Profile - then click "Generate Project" to download a ZIP file. No Grails installation necessary!
Grails provides a development environment that includes a web server to get developers started right away. All required libraries are part of the Grails distribution, and Grails prepares the Java web environment for deployment automatically.
set-grails-versionThe application. properties file in the top level directory of every Grails application contains a app. grails. version property and the value of that property represents the version of Grails required to build that application.
In development, you can try running the script runner in interactive mode:
grails interactive
or, in Grails 2, simply
grails
It keeps JVM running between grails commands invocations, which greatly reduces their overhead. I found this of a great use when doing TDD, as running tests becomes much quickier that way.
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