-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 John,
On 1/3/13 10:54 AM, John Rellis wrote: > I am using apache 2.2.3 and mod_jk as a load balancer for two > tomcat 7 instances over AJP 1.3. Which exact version of mod_jk are you using? I'm guessing you are stuck on httpd 2.2.3 because of your package-manager? That's quite old. > I am attempting to use the ping_mode option to enable workers to > be disabled when there is a tomcat out of memory error on one of > the workers. > > To test initially, I have set a ping_mode=A and it is my > understanding that this will ping the AJP connector every 100 > seconds and mark the worker as in error if it is not responding. ping_mode=A will ping the worker all the time: after a new connection, before each request, and periodically. > However, when I shutdown one of the workers, wait for a few minutes > without attempting connection, the worker does not become marked as > in error on my mod_jk status page. How long is "a few minutes"? > Are my assumptions that shutting down the worker should see it > marked as in error on the jk status page correct? > > Do I need to add anything to my "pre-ping_mode" tomcat > configuration to get this to work? > > Do I need to add extra worker.properties configuration to get this > to work? > > Here is a sample from my worker.properties > > worker.ajptemplate.type=ajp13 > worker.ajptemplate.socket_connect_timeout=10000 > worker.ajptemplate.ping_mode=A You have not set any of the following: connection_ping_interval prepost_timeout ping_timeout The default for the first one is based upon the value for ping_timeout. The defaults for the latter two are both 0 (zero). Therefore, all these values are 0 for your setup. Barring any bugs in your version of mod_jk (depends upon your version), that should effectively disable periodic connection-pinging, leaving you with only CONNECT and PREPOST testing. Your ping_timeout is infinite (default=0=infinite) so depending upon exactly what is happening with your Tomcat instance, you may wait forever to set the worker to IN_ERROR. - -chris -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.17 (Darwin) Comment: GPGTools - http://gpgtools.org Comment: Using GnuPG with undefined - http://www.enigmail.net/ iEYEAREIAAYFAlDnNrcACgkQ9CaO5/Lv0PBaRwCfbdX4NS8/SuiPimHtlY0ObU77 j6oAoLs+V32OAFFE7wPNnUDYx1QgS2K2 =a2gV -----END PGP SIGNATURE----- --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
