Old 22nd July 2006, 20:04
Rock Rock is offline
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Default Help with Mod JK/ Server setup

I have the ispconfig, tomcat, apache and mod jk installed. Everything is fine when I was running it at home on a internal ip ( using DHCP.

I just moved it to office and change it to using statis ip. Now, i cannot acess my web apps on tomcat. This is the debug message from mod_jk.log

[Sun Jul 23 00:49:25 2006] [15212:14016] [debug] init_ws_service::mod_jk.c (531): Service protocol=HTTP/1.1 method=GET host=(null) addrr= name=www.kilanaell.com port=80 auth=(null) user=(null) laddr= raddr=
[Sun Jul 23 00:49:25 2006] [15212:14016] [debug] ajp_get_endpoint::jk_ajp_common.c (2131): acquired connection cache slot=0
[Sun Jul 23 00:49:25 2006] [15212:14016] [debug] ajp_marshal_into_msgb::jk_ajp_common.c (566): ajp marshaling done
[Sun Jul 23 00:49:25 2006] [15212:14016] [debug] ajp_service::jk_ajp_common.c (1670): processing with 3 retries
[Sun Jul 23 00:49:25 2006] [15212:14016] [debug] jk_open_socket::jk_connect.c (328): socket TCP_NODELAY set to On
[Sun Jul 23 00:49:25 2006] [15212:14016] [debug] jk_open_socket::jk_connect.c (426): trying to connect socket 19 to
[Sun Jul 23 00:52:33 2006] [15212:14016] [info]  jk_open_socket::jk_connect.c (444): connect to failed with errno=110
[Sun Jul 23 00:52:33 2006] [15212:14016] [info]  ajp_connect_to_endpoint::jk_ajp_common.c (889): Failed opening socket to ( with (errno=110)
[Sun Jul 23 00:52:33 2006] [15212:14016] [info]  ajp_send_request::jk_ajp_common.c (1248): Error connecting to the Tomcat process.
Seems like mod jk is trying to connect to tomcat on

I checked through http.conf, Vhost_ISPConfig.conf, mod_jk.conf and server.xml, cannot find where in the world does ip comes from.

Anyone knows what is wrong? Or has any solutions?
Any comments/ clarifications is really welcomed!! Thanks in advance


Last edited by Rock; 23rd July 2006 at 03:28.
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Old 24th July 2006, 00:29
falko falko is offline
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You can try to search for in your configuration files with the grep command, e.g.

grep /path/to /file

grep *
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Old 24th July 2006, 12:00
Rock Rock is offline
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Default Solved!

I realise that it was the dns that is not correct. Changed it and everything is working fine now.

It is located under the DNS manager tab in the ISPConfig. There I found the
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Old 3rd December 2011, 12:54
ralvandar ralvandar is offline
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We have an instance of Tomcat and Liferay deployed for over 6 months now.
The website is experiencing poor response time and while debugging, noted the following error in the modjk file as below:

[Sat Dec 03 08:49:40 2011] [9292:47180921211376] [info] jk_open_socket::jk_connect.c (626): connect to failed (errno=110)
[Sat Dec 03 08:49:40 2011] [9292:47180921211376] [info] ajp_connect_to_endpoint::jk_ajp_common.c (959): Failed opening socket to ( (errno=110)
[Sat Dec 03 08:49:40 2011] [9292:47180921211376] [error] ajp_send_request::jk_ajp_common.c (1578): (liferay1) connecting to backend failed. Tomcat is probably not started or is listening on the wrong port (errno=110)
[Sat Dec 03 08:49:40 2011] [9292:47180921211376] [info] ajp_service::jk_ajp_common.c (2543): (liferay1) sending request to tomcat failed (recoverable), because of error during request sending (attempt=1)

The network and sys admin team says that there has been no change.
What could the issue ?
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