Comment by WLiu1976:Finally make it work on Chrome. The most important thing is to allow the external web server in the GWT developer plugin. More details see: http://notepad2.blogspot.com/2010/12/debug-google-web-toolkit-applications.html
For more information: http://code.google.com/p/google-web-toolkit/wiki/TroubleshootingOOPHM -- http://groups.google.com/group/Google-Web-Toolkit-Contributors
