On 10/08/2011 21:15, Jonathan Rosenberg wrote: >>> I want to use parallel deployment as an easy way to allow existing >>> sessions to continue while redirecting new sessions to a "down for >>> temp maintenance page." > >> Why not just upload a new .war (with the newest version) which only >> displays that page? > > I could do that. But if I can use the same code, I can add other > actions later & still maintain a single code base. Only 1 app to > maintain this way. > >>> 1) Have app check context version before each controller action. If >>> version is '~~~' (late in sorting order), redirect user to maintenance >>> page. > >> The app will only see it's own version, how can it compare its own >> version to other versions of the app? >> > > Huh? App only needs to see its own version.
Sorry, I thought you were sorting version numbers? p > -- > Jonathan Rosenberg > Founder & Executive Director > Tabby's Place, a Cat Sanctuary > http://www.tabbysplace.org/ > > > On Wed, Aug 10, 2011 at 4:00 PM, Pid <p...@pidster.com> wrote: >> On 10/08/2011 19:55, Jonathan Rosenberg wrote: >>> Quick answer: I want to have my Grails app determine at runtime which >>> version it was deployed as (bad English, I know). >>> >>> Longer answer: >>> >>> I want to use parallel deployment as an easy way to allow existing >>> sessions to continue while redirecting new sessions to a "down for >>> temp maintenance page." >> >> Why not just upload a new .war (with the newest version) which only >> displays that page? >> >> >>> My thought was to >>> >>> 1) Have app check context version before each controller action. If >>> version is '~~~' (late in sorting order), redirect user to maintenance >>> page. >> >> The app will only see it's own version, how can it compare its own >> version to other versions of the app? >> >> >>> 2) Deploy app with version '~~~'. Normal condition, app is stopped. >>> >>> Now all I have to do is start this context whenever I want to >>> accomplish temp outage. >>> >>> QED >> >> See my first above. >> >> >> p >> >> >>> -- >>> Jonathan Rosenberg >>> Founder & Executive Director >>> Tabby's Place, a Cat Sanctuary >>> http://www.tabbysplace.org/ >>> >>> >>> On Wed, Aug 10, 2011 at 2:48 PM, Mark Thomas <ma...@apache.org> wrote: >>>> On 10/08/2011 19:41, Jonathan Rosenberg wrote: >>>>> Looking at some of my session ids & doing some searching online did >>>>> not turn up any useful info on format of session id (& where context >>>>> version is). >>>>> >>>>> Can you point me at something? >>>> >>>> Sorry, my bad - that was an earlier version of the code that did that. >>>> >>>> Let me ask a different question, what problem are you trying to solve? >>>> >>>> Mark >>>> >>>> --------------------------------------------------------------------- >>>> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >>>> For additional commands, e-mail: users-h...@tomcat.apache.org >>>> >>>> >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >>> For additional commands, e-mail: users-h...@tomcat.apache.org >>> >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >> For additional commands, e-mail: users-h...@tomcat.apache.org >> >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
