This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
What output are you getting on your page is it ??label.username?? , if you are getting this than it means your properties are not present in the properties file.
can you post complete code that you are using along with struts-config, jsp, and properties file.
subject: Properties file read problem in struts-config.xml