On Wed, Mar 20, 2013 at 10:48 AM, Colin Law <clan...@googlemail.com> wrote: > On 20 March 2013 15:41, John Merlino <stoici...@aol.com> wrote: >> instance variables are alive as long as the object instance is alive. My >> question then would be from one http request to the next does the same >> controller instance remain alive? > > No. In addition, once you deploy, you cannot even assume that the > server is still running. Many systems will shut down the server if it > is idle and re-start it when required. Also remember that if user A > makes a request then is it common that user B may make a request > before the next request from user A. So even if the same controller > instance did stay alive the data for the two users would get mixed up. > Sessions get around this problem.
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