Hi Bernd, > Am 31.07.2017 um 19:17 schrieb Bernd Wahlen <bernd.wah...@k2interactive.de>: > > Thanks for your help, > > what do you mean with take it off the server farms first? > > The upgrade process is like this: > stop tomcat > change symlink to new version > start tomcat > > loadbalancer detect that the server is down and routes the traffic > to the other hosts. > This is like we always do since tomcat 6. > After downgrading back to the old version load is comming back fast. > > Because of the shared infrastructure every change to the > loadbalancing pools must be ordered and costs money. > > > >> On 07/31/2017 07:04 PM, M. Manna wrote: >> When you upgraded the affected tomcat from 8.0.45 to 8.5.16, Did you take >> it off the server farms first? Or did you do it without? >> Try to remove the affected tomcat off the server farm. Do you upgrade, and >> then put it back inside the farm. >> >> Or have you tried this already? >> >> On 31 July 2017 at 17:59, Bernd Wahlen <bernd.wah...@k2interactive.de> >> wrote: >> >>> >>> We are running a cluster of 5 tomcats behind >>> a loadbalancer (shared big ip f5). >>> Traffic is http, https and websocket. >>> After upgrading one of the servers to >>> Tomcat 8.5.16 this server get no traffic anymore. >>> Everything is running fine until 8.0.45. >>> If i connect directly against the node >>> with 8.5, everything is running fine also, >>> so it must be a issue related to the loadbalancing >>> or loadbalancing checks. >>> >>> I read the changes and tries the following >>> >>> 1.) >>> https://www.joedog.org/2016/02/28/test-connectivity-to-an-aj >>> p-server-with-ajping/ >>> => AJP is still working >>> >>> 2.) >>> Configure CookieProcessor to LegacyCookieProcessor >>> >>> but no success. >>> Any idea what to i can check or what changed related >>> to that problem? >>> >>> Many thanks in advance, >>> >>> Bernd Wahlen >>> K2 Interactive GmbH >>> >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >>> For additional commands, e-mail: users-h...@tomcat.apache.org >>> >>> >> Do you see F5-healthcheck-requests in your accesslogs? If so, did you compare the old and new responses? If not, can the F5 reach your server, can you reach the HC-page? Is the F5-HC checking for specific values, headers, response codes?
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