Thank you so much, Mark! It helped a lot! Appreciate much for sharing the slides, too.
Cheers, Woonsan On Fri, Mar 4, 2016 at 3:28 AM, Mark Thomas <ma...@apache.org> wrote: > On 04/03/2016 00:51, Woonsan Ko wrote: >> I have tomcat instances (6.0.44) which are proxied by Apache 2.4.18 >> (+mod_proxy). SSL enabled on Apache side. >> One day it was not responding and observed that all the catalina-exec >> threads (25 maxthreads at the moment) were stuck in reading socket in >> the thread dumps like the following (increasing maxthreads to 128 >> circumvented the issue for now, btw): > > <snip/> > >> What would you recommend to find the root cause in this case? > > That looks like a common configuration error. > > Take a look at this: > http://home.apache.org/~markt/presentations/2015-04-15-Tomcat-clustering-part-1-reverse-proxies.pdf > > Particularly slides 29 to 34. > > 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
