Correcting some information: I am using Apache 2.2.13, mod_jk 1.2.30, Tomcat 6.0.32
On Thu, Oct 13, 2011 at 12:16 AM, Jorge Medina <cerebrotecnolog...@gmail.com> wrote: > I have Apache (2.2.20) in front of a single Tomcat (6.0.32) instance > using mod_jk (1.2.31) with the AJP protocol. > I am getting errors like the sample below frequently (a few hundred > times a day). The server does not have a heavy load, it serves about > 150 req/minute and average response time of 200 ms) > > [2011-10-12T23:27:00.644-0400] [20239:27] [info] > ajp_service::jk_ajp_common.c (2543): (S1) sending request to tomcat > failed (unrecoverable), because of client read error (attempt=1) > [2011-10-12T23:27:00.654-0400] [20239:27] [info] > service::jk_lb_worker.c (1388): service failed, worker S1 is in local > error state > [2011-10-12T23:27:00.655-0400] [20239:27] [info] > service::jk_lb_worker.c (1407): unrecoverable error 400, request > failed. Client failed in the middle of request, we can't recover to > another instance. > [2011-10-12T23:27:00.655-0400] [20239:27] [info] jk_handler::mod_jk.c > (2620): Aborting connection for worker=wlb > > > a) Could I get some help to interpret the messages above? > b) What is being referred as "Client" ? The client originating the > request or does mod_jk calls "Client" my Tomcat instance? (I guess I > don't know if mod_jk establishes the connection to Tomcat or if Tomcat > is establishing the channel to mod_jk) > c) Messages are logged as [info] rather than warning or errors...why? > Should I not be concerned about these messages? > d) If that is a symptom of a problem, how do I fix it? (In fact, I am > being reported that clients of my app are timing out waiting for a > response, but my application logs don't have any indication of > receiving the request, so I am trying to find out if the message above > is an indication that the problem occurs in the Tomcat Connector, and > therefor my web app running in Tomcat never got the request at all) > > Thanks > > === workers.properties > > workers.tomcat_home=/opt/greatapp/tomcat > workers.java_home=/opt/jdk/jdk6.0 > ps=/ > > worker.list= wlb, jkwatch > worker.wlb.type=lb > worker.wlb.balance_workers=S1 > worker.wlb.max_reply_timeouts=3 > > worker.jkwatch.type=status > worker.jkwatch.read_only=True > worker.jkwatch.mount=/private/admin/watch/jk > > worker.S1.type=ajp13 > worker.S1.host=localhost > worker.S1.port=6009 > worker.S1.lbfactor=1 > worker.S1.connection_pool_timeout=600 > worker.S1.socket_keepalive=False > worker.S1.socket_timeout=15 > worker.S1.reply_timeout=300000 > worker.S1.recovery_options=27 > > > === uriworkermap.properties > > /myapp=wlb > /myapp/*=wlb > /private/admin/watch/jk=jkwatch > > > -Jorge > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
