No firewall, all on one server. Right now, I'm thinking I'm either hitting some type of tcp connection maximum or something is going on with Apache or mod_jk. If I just restart Apache, i can connect to Tomcat again which tells me Tomcat wasn't down.
Cheers, Charles On Mon, Oct 29, 2012 at 10:39 AM, Daniel Mikusa <dmik...@vmware.com> wrote: > On Oct 29, 2012, at 8:37 AM, Charles Richard wrote: > > > Hi, > > > > I had a thread a while back but my configuration has changed and so has > my > > issue, so hence a new thread. > > > > My config: > > > > CentOS 5.8 > > Apache 2.23 > > 3 tomcat instances (6.0.30) with each ajp_port with a connectionTimeout > > setting of 180000 > > mod_jk 1.2.37 > > > > workers.properties: > > > > # Define 1 real worker using ajp13 > > worker.list=worker1, worker2, worker3, lbworker > > > > # Set properties for worker1 (ajp13) > > worker.worker1.type=ajp13 > > worker.worker1.host=localhost > > worker.worker1.port=8009 > > worker.worker1.connection_pool_timeout=180 > > worker.worker1.lbfactor=1 > > worker.worker1.ping_mode=A > > worker.worker1.socket_keepalive=true > > > > # Set properties for worker2 (ajp13) > > worker.worker2.type=ajp13 > > worker.worker2.host=localhost > > worker.worker2.port=8010 > > worker.worker2.connection_pool_timeout=180 > > worker.worker2.lbfactor=1 > > worker.worker2.ping_mode=A > > worker.worker2.socket_keepalive=true > > > > # Set properties for worker3 (ajp13) > > worker.worker3.type=ajp13 > > worker.worker3.host=localhost > > worker.worker3.port=8011 > > worker.worker3.connection_pool_timeout=180 > > worker.worker3.lbfactor=1 > > worker.worker3.ping_mode=A > > worker.worker3.socket_keepalive=true > > > > worker.lbworker.type=lb > > worker.lbworker.balance_workers=worker1, worker2, worker3 > > worker.lbworker.sticky_session=True > > > > I'm doing some performance tuning on our application and noticed a couple > > of days ago that which a load of 1500 users, my threads in VisualVM would > > turn white in a "off/unknown state" (can send a snapshot of this on > > demand). Since then, I added the ping_mode and socket_keepalive setting > in > > my workers.properties file but that didn't seem to make a difference. > All > > i see in my mod_jk log is this: > > > > [Mon Oct 29 09:16:56 2012] [12205:47535048426352] [info] > > ajp_handle_cping_cpong::jk_ajp_common.c (913): timeout in reply cpong > > [Mon Oct 29 09:16:56 2012] [12205:47535048426352] [info] > > ajp_maintain::jk_ajp_common.c (3289): (worker2) failed sending request, > > socket -1 keepalive cping/cpong failure (errno=24) > > [Mon Oct 29 09:18:36 2012] [10542:47535048426352] [info] > > ajp_handle_cping_cpong::jk_ajp_common.c (913): timeout in reply cpong > > [Mon Oct 29 09:18:36 2012] [10542:47535048426352] [info] > > ajp_maintain::jk_ajp_common.c (3289): (worker2) failed sending request, > > socket -1 keepalive cping/cpong failure (errno=24) > > > > Any idea what could be going on? > > Do you have a firewall between Apache HTTPD and your Tomcat instances? > > Dan > > > > Thanks, > > Charles > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > >