On 27/04/17 17:47, John Cartwright - NOAA Federal wrote: > Hello All, > > We recently switched to Apache 2.4 and it's event mpm and are now > finding that some of our Tomcat 7 webapps are failing sporadically > when accessed via Apache - generally reporting 503s back to the > browser. The webapps work reliably when accessed directly from > Tomcat. > > We're using mod_jk for the connector - can someone please direct me to > resources on tuning Tomcat settings to match those of the Apache event > mpm or suggest what I should be tuning?
Might you be using the BIO AJP connector on the Tomcat end? If so, switching to the NIO AJP connector should solve most if not all of the issues. (I suspect the problem is thread starvation although I can't find good docs on how the mod_jk connection pools work on the httpd end with the event worker.) Mark --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
