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From "PaweĊ‚ Skrzypek" <pawel.skrzy...@decerto.pl>
Subject Problem with connection beetwen Tomcat and Apache via mod_jk?
Date Tue, 24 Oct 2006 10:17:52 GMT
Hi,
I'm using Apache and Tomcat connected via apjv13 protocol using mod_jk. I
have one instance of Apache installed on server 1 and several instances of
Tomcat installed on other servers with load balancing between them.
Sometimes users of our application getting blank page in theirs web
browsers, refershing usually hepls to get proper page. In mod_jk log I
found lines as below, but I'm not sure that this is associated.
I'm using mod_jk 1.2.15. Could anybody help me, what could be a problem?
Please send answer to me also directly.
[Mon Oct 23 17:17:30 2006] [41665:0000] [debug]
ajp_connection_tcp_get_message::jk_ajp_common.c (1037): 1f00    43 6C 69
63 6B 3D 64 6F 63 75 6D 65 6E 74 2E 6C  - Click=document.l
[Mon Oct 23 17:17:30 2006] [41665:0000] [debug]
ajp_connection_tcp_get_message::jk_ajp_common.c (1037): 1f10    6F 63 61
74 69 6F 6E 3D 22 64 6F 73 74 65 70 6E  - ocation="dostepn
[Mon Oct 23 17:17:30 2006] [41665:0000] [debug]
ajp_connection_tcp_get_message::jk_ajp_common.c (1037): 1f20    65 5F 70
72 6F 6D 6F 63 6A 65 2E 6A 73 70 22 3E  - e_promocje.jsp">
[Mon Oct 23 17:17:30 2006] [41665:0000] [debug]
ajp_connection_tcp_get_message::jk_ajp_common.c (1037): 1f30    26 6E 62
73 70 3B 26 6E 62 73 70 3B 3C 69 6E 70  - &nbsp;&nbsp;<inp
[Mon Oct 23 17:17:30 2006] [41665:0000] [debug]
ajp_connection_tcp_get_message::jk_ajp_common.c (1037): 1f40    75 74 20
74 79 70 65 3D 22 62 75 74 74 6F 6E 22  - ut.type="button"
[Mon Oct 23 17:17:30 2006] [41665:0000] [debug]
ajp_connection_tcp_get_message::jk_ajp_common.c (1037): 1f50    20 76 61
6C 75 65 3D 22 41 6E 75 6C 75 6A 22 20  - .value="Anuluj".
[Mon Oct 23 17:17:30 2006] [41665:0000] [debug]
ajp_connection_tcp_get_message::jk_ajp_common.c (1037): 1f60    6F 6E 43
6C 69 63 6B 3D 64 6F 63 75 6D 65 6E 74  - onClick=document
[Mon Oct 23 17:17:30 2006] [41665:0000] [debug]
ajp_connection_tcp_get_message::jk_ajp_common.c (1037): 1f70    2E 6C 6F
63 61 74 69 6F 6E 3D 22 6D 61 69 6E 2E  - .location="main.
[Mon Oct 23 17:17:30 2006] [41665:0000] [debug]
ajp_connection_tcp_get_message::jk_ajp_common.c (1037): 1f80    6A 73 70
22 3E 26 6E 62 73 70 3B 26 6E 62 73 70  - jsp">&nbsp;&nbsp
[Mon Oct 23 17:17:30 2006] [41665:0000] [debug]
ajp_connection_tcp_get_message::jk_ajp_common.c (1037): 1f90    3B 3C 69
6E 70 75 74 20 74 79 70 65 3D 22 73 75  - ;<input.type="su
[Mon Oct 23 17:17:30 2006] [41665:0000] [debug]
ajp_connection_tcp_get_message::jk_ajp_common.c (1037): 1fa0    62 6D 69
74 22 20 76 61 6C 75 65 3D 22 44 61 6C  - bmit".value="Dal
[Mon Oct 23 17:17:30 2006] [41665:0000] [debug]
ajp_connection_tcp_get_message::jk_ajp_common.c (1037): 1fb0    65 6A 22
3E 26 6E 62 73 70 3B 26 6E 62 73 70 3B  - ej">&nbsp;&nbsp;
[Mon Oct 23 17:17:30 2006] [41665:0000] [debug]
ajp_connection_tcp_get_message::jk_ajp_common.c (1037): 1fc0    0D 0A 09
09 09 3C 2F 74 64 3E 0D 0A 09 09 3C 2F  - .....</td>....</
[Mon Oct 23 17:17:30 2006] [41665:0000] [debug]
ajp_connection_tcp_get_message::jk_ajp_common.c (1037): 1fd0    74 72 3E
0D 0A 09 09 3C 74 72 3E 0D 0A 09 09 09  - tr>....<tr>.....
[Mon Oct 23 17:17:30 2006] [41665:0000] [debug]
ajp_connection_tcp_get_message::jk_ajp_common.c (1037): 1fe0    3C 74 64
20 63 6F 6C 73 70 61 6E 3D 22 35 22 20  - <td.colspan="5".
[Mon Oct 23 17:17:30 2006] [41665:0000] [debug]
ajp_connection_tcp_get_message::jk_ajp_common.c (1037): 1ff0    62 67 63
6F 6C 6F 72 3D 23 36 30 00 00 00 00 00  - bgcolor=#60.....
[Mon Oct 23 17:17:30 2006] [41665:0000] [trace]
ajp_connection_tcp_get_message::jk_ajp_common.c (1043): exit
[Mon Oct 23 17:17:30 2006] [41665:0000] [trace]
ajp_process_callback::jk_ajp_common.c (1362): enter
[Mon Oct 23 17:17:30 2006] [41665:0000] [debug] ws_write::mod_jk.c (412):
written -1 out of 8184
[Mon Oct 23 17:17:30 2006] [41665:0000] [info]
ajp_process_callback::jk_ajp_common.c (1384): Connection aborted or
network problems
[Mon Oct 23 17:17:30 2006] [41665:0000] [trace]
ajp_process_callback::jk_ajp_common.c (1386): exit
[Mon Oct 23 17:17:30 2006] [41665:0000] [trace]
ajp_get_reply::jk_ajp_common.c (1602): exit
[Mon Oct 23 17:17:30 2006] [41665:0000] [info]
ajp_service::jk_ajp_common.c (1731): Receiving from tomcat failed, because
of client error without recovery in send loop 0
[Mon Oct 23 17:17:30 2006] [41665:0000] [trace]
ajp_service::jk_ajp_common.c (1735): exit
[Mon Oct 23 17:17:30 2006] [41665:0000] [trace] ajp_done::jk_ajp_common.c
(2044): enter
[Mon Oct 23 17:17:30 2006] [41665:0000] [debug] ajp_done::jk_ajp_common.c
(2074): recycling connection cache slot=0 for worker tc02cm03
[Mon Oct 23 17:17:30 2006] [41665:0000] [trace] ajp_done::jk_ajp_common.c
(2077): exit
[Mon Oct 23 17:17:30 2006] [41665:0000] [info]  service::jk_lb_worker.c
(711): unrecoverable error 400, request failed. Client failed in the
middle of request, we can't recover to another instance.
[Mon Oct 23 17:17:30 2006] [41665:0000] [trace] service::jk_lb_worker.c
(716): exit
[Mon Oct 23 17:17:30 2006] [41665:0000] [trace] done::jk_lb_worker.c
(764): enter
[Mon Oct 23 17:17:30 2006] [41665:0000] [trace] done::jk_lb_worker.c
(775): exit
[Mon Oct 23 17:17:30 2006] [41665:0000] [info]  jk_handler::mod_jk.c
(1978): Aborting connection for worker=tomcio01
[Mon Oct 23 17:17:30 2006] [41665:0000] [trace] jk_handler::mod_jk.c
(1981): exit
[Mon Oct 23 17:17:30 2006] [41666:0000] [trace]
map_uri_to_worker::jk_uri_worker_map.c (422): enter
[Mon Oct 23 17:17:30 2006] [41666:0000] [debug]
map_uri_to_worker::jk_uri_worker_map.c (449): Attempting to map URI
'/java/scripts.js' from 3 maps
[Mon Oct 23 17:17:30 2006] [41666:0000] [debug]
map_uri_to_worker::jk_uri_worker_map.c (461): Attempting to map context
URI '/server-jk/*'
[Mon Oct 23 17:17:30 2006] [41666:0000] [debug]
map_uri_to_worker::jk_uri_worker_map.c (461): Attempting to map context
URI '/server-jk'
[Mon Oct 23 17:17:30 2006] [41666:0000] [debug]
map_uri_to_worker::jk_uri_worker_map.c (461): Attempting to map context
URI '/java/*'
[Mon Oct 23 17:17:30 2006] [41666:0000] [debug]
map_uri_to_worker::jk_uri_worker_map.c (475): Found a wildchar match
tomcio01 -> /java/*
[Mon Oct 23 17:17:30 2006] [41666:0000] [trace]
map_uri_to_worker::jk_uri_worker_map.c (478): exit
[Mon Oct 23 17:17:30 2006] [41666:0000] [trace] jk_handler::mod_jk.c
(1785): enter
[Mon Oct 23 17:17:30 2006] [41666:0000] [debug] jk_handler::mod_jk.c
(1839): Into handler jakarta-servlet worker=tomcio01 r->proxyreq=0
[Mon Oct 23 17:17:30 2006] [41666:0000] [trace]
wc_get_worker_for_name::jk_worker.c (101): enter
[Mon Oct 23 17:17:30 2006] [41666:0000] [debug]
wc_get_worker_for_name::jk_worker.c (111): found a worker tomcio01
[Mon Oct 23 17:17:30 2006] [41666:0000] [trace]
wc_get_worker_for_name::jk_worker.c (113): exit
[Mon Oct 23 17:17:30 2006] [41666:0000] [trace] wc_maintain::jk_worker.c
(287): enter
[Mon Oct 23 17:17:30 2006] [41666:0000] [trace] wc_maintain::jk_worker.c
(312): exit
[Mon Oct 23 17:17:30 2006] [41666:0000] [debug] init_ws_service::mod_jk.c
(531): Service protocol=HTTP/1.1 method=GET host=(null)
addrr=213.158.197.33 name=www.polsat.net.pl port=443 auth=(null)
user=(null) laddr=192.168.80.242 raddr=213.158.197.33
[Mon Oct 23 17:17:30 2006] [41666:0000] [trace]
get_endpoint::jk_lb_worker.c (922): enter
[Mon Oct 23 17:17:30 2006] [41666:0000] [trace]
get_endpoint::jk_lb_worker.c (933): exit
[Mon Oct 23 17:17:30 2006] [41666:0000] [trace] service::jk_lb_worker.c
(576): enter
[Mon Oct 23 17:17:30 2006] [41666:0000] [debug] service::jk_lb_worker.c
(592): service sticky_session=1
[Mon Oct 23 17:17:30 2006] [41666:0000] [trace]
get_most_suitable_worker::jk_lb_worker.c (478): enter
[Mon Oct 23 17:17:30 2006] [41666:0000] [debug]
get_most_suitable_worker::jk_lb_worker.c (514): total sessionid is
C305B0848788FC5500CC3706293CE870.tc03cm02
[Mon Oct 23 17:17:30 2006] [41666:0000] [debug]
get_most_suitable_worker::jk_lb_worker.c (524): searching worker for
partial sessionid C305B0848788FC5500CC3706293CE870.tc03cm02
[Mon Oct 23 17:17:30 2006] [41666:0000] [debug]
get_most_suitable_worker::jk_lb_worker.c (532): searching worker for
session route tc03cm02
[Mon Oct 23 17:17:30 2006] [41666:0000] [debug]
get_most_suitable_worker::jk_lb_worker.c (541): found worker tc03cm02 for
route tc03cm02 and partial sessionid
C305B0848788FC5500CC3706293CE870.tc03cm02
[Mon Oct 23 17:17:30 2006] [41666:0000] [trace]
get_most_suitable_worker::jk_lb_worker.c (544): exit
[Mon Oct 23 17:17:30 2006] [41666:0000] [trace]
get_endpoint::jk_ajp13_worker.c (72): enter
[Mon Oct 23 17:17:30 2006] [41666:0000] [trace]
ajp_get_endpoint::jk_ajp_common.c (2104): enter
[Mon Oct 23 17:17:30 2006] [41666:0000] [debug]
ajp_get_endpoint::jk_ajp_common.c (2131): acquired connection cache slot=0
[Mon Oct 23 17:17:30 2006] [41666:0000] [trace]
ajp_get_endpoint::jk_ajp_common.c (2134): exit
[Mon Oct 23 17:17:30 2006] [41666:0000] [trace]
get_endpoint::jk_ajp13_worker.c (74): exit
[Mon Oct 23 17:17:30 2006] [41666:0000] [debug] service::jk_lb_worker.c
(612): service worker=tc03cm02 jvm_route=tc03cm02
[Mon Oct 23 17:17:30 2006] [41666:0000] [trace]
ajp_service::jk_ajp_common.c (1630): enter
[Mon Oct 23 17:17:30 2006] [41666:0000] [trace]
ajp_marshal_into_msgb::jk_ajp_common.c (386): enter
[Mon Oct 23 17:17:30 2006] [41666:0000] [debug]
ajp_marshal_into_msgb::jk_ajp_common.c (566): ajp marshaling done
[Mon Oct 23 17:17:30 2006] [41666:0000] [trace]
ajp_marshal_into_msgb::jk_ajp_common.c (567): exit
[Mon Oct 23 17:17:30 2006] [41666:0000] [debug]
ajp_service::jk_ajp_common.c (1670): processing with 2 retries
[Mon Oct 23 17:17:30 2006] [41666



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