Grails add&set proxy.
cmd>grails add-proxy webProxy --host=webproxy.com --port=8080 --username=guest --password=guest

cmd>grails set-proxy webProxy


file: C:\Documents and Settings\${loginUserName}\.grails\ProxySettings.groovy

webProxy=["http.proxyHost":"webproxy.com", "http.proxyPort":"8080", "http.proxyUser":"", "http.proxyPassword":""]
currentProxy="webProxy"