I need Edit One OpenSorce Grails and java Project

Before start developing developer should have the basic knowledge of Grails, XUL, Extjs. Development environment Our Project is developed based on JAVA platform. JDK 6 is required for the whole project. Project is developed and tested against MySQL database server. Grails is the application framework used by Our Project The version used by Our Project is 1.0.3. Developer should get familiar with Grails concept like GORM, GSP and Grails Plugins