Roy McMorran wrote: > Hello all, > > I'm seeing frequent cases where requests sent via mod_jk to Tomcat will > hang indefinitely. The request will never return to Apache and the > client will eventually time out. There are no error messages. > > In my test case I run wget against various URLs until the hang occurs > (usually within 2-3 minutes). Here are the last few entries from my > mod_jk.log file (JkLogLevel = trace): > > [Thu Dec 04 13:28:08.509 2008] [27224:1] [debug] > ajp_connection_tcp_send_message::jk_ajp_common.c (911): 00c0 FF 00 00 > 00 00 00 00 00 00 00 00 00 00 00 00 00 - ................ > [Thu Dec 04 13:28:08.510 2008] [27224:1] [trace] > ajp_connection_tcp_send_message::jk_ajp_common.c (928): exit > [Thu Dec 04 13:28:08.510 2008] [27224:1] [debug] > ajp_send_request::jk_ajp_common.c (1325): (ajp13) request body to send 0 > - request body to resend 0 > [Thu Dec 04 13:28:08.511 2008] [27224:1] [trace] > ajp_send_request::jk_ajp_common.c (1422): exit > [Thu Dec 04 13:28:08.511 2008] [27224:1] [trace] > ajp_get_reply::jk_ajp_common.c (1613): enter > [Thu Dec 04 13:28:08.511 2008] [27224:1] [trace] > ajp_connection_tcp_get_message::jk_ajp_common.c (953): enter > > Beyond this point there is no activity. There are never any error > messages generated, not in mod_jk.log, catalina.out, nor in the Apache > logs. > > There is a thread dump of Tomcat (after the hang begins) at: > http://www.mdibl.org/~mcmorran/tomcat_thread_dump.txt > > This is a pretty simple setup, both Apache & Tomcat are running on the > same host, so there is no firewall issue. No load balancing, just one > worker defined. > > workers.properties file: > worker.list=ajp13 > worker.ajp13.type=ajp13 > worker.ajp13.host=localhost > worker.ajp13.port=8009 > worker.ajp13.socket_timeout=120 > > (have tried with and without the socket_timeout parameter - makes no > difference) > > My server.xml file is at: > http://www.mdibl.org/~mcmorran/server.xml.txt > > (I've tried various settings (or none) for connectionTimeout inside the > AJP connector - makes no difference) > > mod_jk related parts of my httpd.conf file are at: > http://www.mdibl.org/~mcmorran/httpd.conf.txt > > Version info: > Server: Solaris 10 > Apache: 2.2.6 > mod_jk: 1.2.25 > Tomcat: 6.0.14 > libtcnative: 1.10 > Java: 1.5.0_14 > > I'm running Tomcat under jsvc. The JVM gets 2G of memory (there are 8G > total on the system) - I don't think there's any memory issue. I'm in > test mode so I'm the only user; there's virtually no CPU load on the box. > > I've reached a dead end here -I'm hoping someone on the list may have > some ideas. Thanks for any help you may be able to provide.
Have you tried: JkOptions +DisableReuse ? Mark --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
