Do you have your resource properties file? "*Begin by creating a default properties file called MyConstants.propertiesin your GWT project. You can place the file anywhere in your module's source path, but the .properties file and corresponding interface must be in the same package. It's fine to place the file in the same package as your module's entry point class.*" http://code.google.com/webtoolkit/doc/latest/DevGuideI18nConstants.html#Constants
For example in com/google/gwt/i18n/client/Constants.properties containing buttonText=Text of the button -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
