I just append -vm C:\\Program Files\\Java\\jre6\\bin\\javaw.exe
in ec
use the configuration below;
-startup
plugins/org.eclipse.equinox.launcher_1.3.0.v20130327-1440.jar
--launcher.library
plugins/org.eclipse.equinox.launcher.win32.win32.x86_64_1.1.200.v20130807-1835
-product
org.springsource.ggts.ide
--launcher.defaultAction
openFile
--launcher.XXMaxPermSize
256M
-vm
C:\Program Files\Java\jdk1.7.0_51\jre\bin\javaw.exe
-vmargs
-Dorg.eclipse.swt.browser.IEVersion=10001
-Dgrails.console.enable.interactive=false
-Dgrails.console.enable.terminal=false
-Djline.terminal=jline.UnsupportedTerminal
-Dgrails.console.class=grails.build.logging.GrailsEclipseConsole
-Dosgi.requiredJavaVersion=1.6
-Xms40m
-Xmx768m
-XX:MaxPermSize=256m
-Dorg.eclipse.swt.browser.IEVersion=10001