pls post the mod_jk.log M- ----- Original Message ----- From: "John Moore" <[EMAIL PROTECTED]> To: "Tomcat Users List" <users@tomcat.apache.org> Sent: Monday, March 17, 2008 8:10 PM Subject: Re: Tomcat to Apache connection dies
> Rainer Jung wrote: > > > > Which connector do you use? The usual Coyote (Jav) connector, or the > > native APR connector (also called tcnative)? > Hmm.. good question.. I follow the directions, compile and it (make > install) puts the mod_jk.so in the ../apache/modules directory. I would > guess it is the native since I compile the code in the ../native > directory. Guess I did not pickup that there was a difference.. > > What should I be doing..? > > > > >> Actually I do.. Here is that setting from my server.xml > >> > >> <!-- Define an AJP 1.3 Connector on port 8009 --> > >> <Connector port="8009" > >> enableLookups="false" > >> redirectPort="8443" > >> protocol="AJP/1.3" > >> connectionTimeout="60000" > >> maxThreads="750" > >> debug="0" /> > >> > >> Is there anything else here that needs changing..? > > > > Hmmm, maybe set connectionTimeout to 600000 instead of 60000. > > Otherwise TC and mod_jk don't use the same timeout (I think you had 10 > > minutes ofr mod_jk). This will not be the reason for your strange > > observation, but it should reduce the CLOSE_WAIT connections during > > normal operations. > Just to be clear.. > > The Tomcat Connector setting for port 8009 of "connectionTimeout" should > equal the worker.properties setting of: > > connection_pool_timeout > > or > > connect_timeout > > ? > > > > > I would run a cron job, that writes out the netstat statistics for > > 8009 (how many connections in which state, including LISTEN etc.) once > > a minute to get an idea, if you run into something extreme immediately > > before the LISTEN dies. > Ok.. I work on setting that "trap" up... > > > > The previous hint about taking thread dumps once the problem is there > > is still valid. That way we can check from the inside of the JVM, if > > the accept thread is gone. But we still won't know why. > > > > Any interesting log items on the TC side? OutOfMemory errors? > > No, not generally.. I have had one "OutOfMemory" error several weeks ago > that I never could "explain", but that is the first that did not showed > up in the catalina.out logs AS a problem.. > > > > Those port 3050 connections are DB connections or something similar I > > suppose? > Correct.. Firebird. > > Thanks, I really appreciate the suggestions.. I'll post back to this > thread once I get some results based on your suggestions.. > > John.. > > --------------------------------------------------------------------- > To start a new topic, e-mail: users@tomcat.apache.org > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
