Take a look at this example chapter from the book "Core J2EE Patterns":
http://vig.pearsoned.com/samplechapter/0130648841.pdf On page 10 of the pdf (43 on the book :-), it speaks about this subject, and a good strategy to address it Hope it helps, Rodrigo > > I have some servlets serving html pages from the servlet engine. > suppose the user click the refresh button of the browser. How > does the servlet know that the user wants a refresh of the page? > > My servlet needs to know if it is a refresh since if it processes the > same request twice in a row, it may produce unexpected results > by the issuing the same comand twice. > -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
