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Date:      Wed, 7 Feb 2007 18:17:37 +0100
From:      Palle Girgensohn <girgen@pingpong.net>
To:        freebsd-questions@freebsd.org
Subject:   apache+tomcat  and helix server
Message-ID:  <9334A41E-F8B5-4F42-BEC8-D2A35CD8584D@pingpong.net>

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Hi!

I am experiencing something very strange, that I don't even know how  
to debug.

We run apache+mod_ssl-1.3.34+2.8.25_2, jakarta-tomcat-5.0.30 and  
mod_jk-1.2.15,1 on FreeBSD 6.1-amd64, and it is really rock stable.

Now, into this picture comes a helix server (aka Real server, real  
media server). Support for FreeBSD is rather poor, so we run an old  
binary, version 10.1.1.66 built for FreeBSD 5.x-x86  
(SERVER_10_1_STABLE branch,
https://helix-server.helixcommunity.org/2005/devdocs/builds)

With it comes the problems. When the helix server is running, the  
apache<-mod_jk->tomcat connection (tcp/ip on localhost using the  
AJP13 protocol, btw) gets into trouble, resulting in error 500 to the  
user fetching the web page.

At first I thought the system was somehow exhausted of resources, but  
no other logs complain about that. The mod_jk log reports:

[Mon Jan 08 15:12:43 2007] [error] ajp_service::jk_ajp_common.c  
(1758): Error connecting to tomcat. Tomcat is probably not started or  
is listening on the wrong port. worker=tomcat failed
[Mon Jan 08 15:12:43 2007] [error]  
ajp_connection_tcp_get_message::jk_ajp_common.c (961): Can't receive  
the response message from tomcat, network problems or tomcat is down  
(127.0.0.1:8008), err=-54
[Mon Jan 08 15:12:43 2007] [error] ajp_get_reply::jk_ajp_common.c  
(1503): Tomcat is down or refused connection. No response has been  
sent to the client (yet)

Has anyone seen anything like this before. Is anyone running the  
helix server on FreeBSD?

Regards,
Palle Girgensohn <girgen@FreeBSD.org>





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