Apache httpd dies for no obvious reason.

( Oracle 9iAS on RedHat 6.2 w/ /usr/local/jdk1.2.2/bin/java -version
java version "1.2.2"
Classic VM (build Linux_JDK_1.2.2_RC4, native threads, sunwjit))
Once in a while the HTTP listenneer dies giving the below entries in the error log file.
First there are alot of these, which is normal:
[Fri Mar 3 10:02:56 2006] [debug] opm_ew.c(253): OPM: EW enters process monitoring loop
[Fri Mar 3 10:02:59 2006] [debug] opm_ew.c(253): OPM: EW enters process monitoring loop
Then something bad happens and the HTTP listener decides to exit:
[Fri Mar 3 10:03:01 2006] [info] OPM: EW is exiting with sig=1073929500
Then it starts killling the child processes (which is too normal):
[Fri Mar 3 10:03:03 2006] [warn] child process 16997 still did not exit, sending a SIGTERM
[Fri Mar 3 10:03:03 2006] [warn] child process 16998 still did not exit, sending a SIGTERM
etc..
I've reviewed the access log file for suspected entries. For example if a client somehow called a buggy app I should see the same call in the access log before it dies but I can't find any reasonable pattern.
The HTTPd dies a couple times per 24h, the system resources are not heavily utilised.
Any info on this would very appreciated, thanks.
Rgds
/PL

You can check for issues caused by an extension that isn't working properly.
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*https://support.mozilla.org/kb/Safe+Mode
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes

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=======
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[Wed Nov 14 09:34:17 2007] [jk_uri_worker_map.c (445)]: Into jk_uri_worker_map_t::map_uri_to_worker
[Wed Nov 14 09:34:17 2007] [jk_uri_worker_map.c (459)]: Attempting to map URI '/iul/'
[Wed Nov 14 09:34:17 2007] [jk_uri_worker_map.c (483)]: jk_uri_worker_map_t::map_uri_to_worker, Found a context match worker1 -> /iul/
[Wed Nov 14 09:34:17 2007] [mod_jk.c (1689)]: Into handler r->proxyreq=0 r->handler=jakarta-servlet r->notes=2670448 worker=worker1
[Wed Nov 14 09:34:17 2007] [jk_worker.c (90)]: Into wc_get_worker_for_name worker1
[Wed Nov 14 09:34:17 2007] [jk_worker.c (94)]: wc_get_worker_for_name, done found a worker
[Wed Nov 14 09:34:17 2007] [mod_jk.c (472)]: agsp=80 agsn=gwdevweb.amgen.com hostn=gwdevweb.amgen.com shostn=gwdevweb.amgen.com cbsport=0 sport=0
[Wed Nov 14 09:34:17 2007] [jk_ajp_common.c (1741)]: Into jk_worker_t::get_endpoint
[Wed Nov 14 09:34:17 2007] [jk_ajp_common.c (1367)]: Into jk_endpoint_t::service
[Wed Nov 14 09:34:17 2007] [jk_ajp_common.c (257)]: Into ajp_marshal_into_msgb
[Wed Nov 14 09:34:17 2007] [jk_ajp_common.c (425)]: ajp_marshal_into_msgb - Done
[Wed Nov 14 09:34:17 2007] [jk_connect.c (136)]: Into jk_open_socket
[Wed Nov 14 09:34:17 2007] [jk_connect.c (143)]: jk_open_socket, try to connect socket = 25 to 127.0.0.1:8009
[Wed Nov 14 09:34:17 2007] [jk_connect.c (159)]: jk_open_socket, after connect ret = 0
[Wed Nov 14 09:34:17 2007] [jk_connect.c (168)]: jk_open_socket, set TCP_NODELAY to on
[Wed Nov 14 09:34:17 2007] [jk_connect.c (177)]: jk_open_socket, set SO_KEEPALIVE to on
[Wed Nov 14 09:34:17 2007] [jk_connect.c (185)]: jk_open_socket, return, sd = 25
[Wed Nov 14 09:34:17 2007] [jk_ajp_common.c (701)]: In jk_endpoint_t::ajp_connect_to_endpoint, connected sd = 25 to 127.0.0.1:8009
[Wed Nov 14 09:34:17 2007] [jk_ajp_common.c (737)]: sending to ajp13 #3903
[Wed Nov 14 09:34:17 2007] [jk_ajp_common.c (1035)]: ajp_send_request 2: request body to send 0 - request body to resend 0
[Wed Nov 14 09:34:17 2007] [jk_ajp_common.c (851)]: received from ajp13 #150
[Wed Nov 14 09:34:17 2007] [jk_ajp_common.c (477)]: ajp_unmarshal_response: status = 302
[Wed Nov 14 09:34:17 2007] [jk_ajp_common.c (483)]: ajp_unmarshal_response: Number of headers is = 3
[Wed Nov 14 09:34:17 2007] [jk_ajp_common.c (537)]: ajp_unmarshal_response: Header[0] [Location] = [http://gwdevweb.amgen.com/iul/home.do?dept=biofit]
[Wed Nov 14 09:34:17 2007] [jk_ajp_common.c (537)]: ajp_unmarshal_response: Header[1] [Content-Type] = [text/html;charset=UTF-8]
[Wed Nov 14 09:34:17 2007] [jk_ajp_common.c (537)]: ajp_unmarshal_response: Header[2] [Content-Length] = [0]
[Wed Nov 14 09:34:17 2007] [jk_ajp_common.c (851)]: received from ajp13 #2
[Wed Nov 14 09:34:17 2007] [jk_ajp_common.c (1716)]: Into jk_endpoint_t::done, recycling connection
[Wed Nov 14 09:34:17 2007] worker1 gwdevweb.amgen.com 0.023557
[Wed Nov 14 09:34:17 2007] [jk_uri_worker_map.c (445)]: Into jk_uri_worker_map_t::map_uri_to_worker
[Wed Nov 14 09:34:17 2007] [jk_uri_worker_map.c (459)]: Attempting to map URI '/iul/home.do'
[Wed Nov 14 09:34:17 2007] [jk_uri_worker_map.c (539)]: jk_uri_worker_map_t::map_uri_to_worker, Found a suffix match worker1 -> *.do
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[Wed Nov 14 09:34:17 2007] [jk_uri_worker_map.c (539)]: jk_uri_worker_map_t::map_uri_to_worker, Found a suffix match worker1 -> *.doEdited by: nwahlberg on Nov 14, 2007 6:37 AM

Ok, thanks for clarifying that. But, the poroblem still lies with Apache since that has to handle the incoming HTTP request and then forward that onto something that can handle the processing (in this case the servlet container Tomcat). Just like you have to tell Apache where to send requests to .jsp files, the same has to happen with .do. This piece seems to be working, but after it finds the worker it then doesn't know what to do. Clearly I am missing some setting that I have yet to find.
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Bye

Apache httpd dies for no obvious reason.

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