Thank you for your help Christopher.

I have got it to work and I will publish my configuration when I have sorted out a couple of other things which I will raise separately

Regards

Peter

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Peter,

On 1/8/2011 8:28 PM, Peter Sparkes wrote:
  LoadModule jk_module /usr/lib/apache2/modules/mod_jk.so
...

file /etc/apache2/conf.d/jk.conf is
<IfModule mod_jk.c>
     JkWorkersFile /etc/apache2/workers.properties
     JkLogFile /var/log/apache2/mod_jk.log
     JkLogLevel debug
</ifmodule>
Are you sure this file is being included in your configuration?

Try putting an invalid directive in there and running 'apache2 -t' to
see what happens. If you get an error, it's loading your configuration
correctly.

file  /etc/apache2/sites-enabled/appledorera.org is
<VirtualHost appledorera.org:80>
         ServerAdmin ad...@appledorera.org
         ServerName  appledorera.org
         ServerAlias www.appledorera.org
         JkMount /* appledorera
</VirtualHost>

file /etc/apache2/workers.properties is
workers.tomcat_home = /usr/local/tomcat
workers.java_home=  / usr/lib/jvm/java-6-sun
ps = /
These three settings (above) are no longer used. Do yourself a favor and
remove them.

worker.list=appledorera
  Set properties for appledorera
The above line may be confusing to the configuration file parser. You
should use "#" at the beginning of the line to indicate comments. The
above might be causing your problem.

worker.appledorera.type=ajp13
worker.appledorera.host=localhost
worker.appledorera.port=8109
Looks good.

file /usr/local/tomcat/instances/appledorera/conf/server.xml I have amended
<Server port="8005" shutdown="SHUTDOWN">   to
<Server port="8105" shutdown="SHUTDOWN">
and
<Connector port="8009" protocol="AJP/1.3" redirectPort="8443" />  to
<Connector port="8109" protocol="AJP/1.3" redirectPort="8443" />
Ok.

When the tomcat instance in /usr/local/tomcat/instances/appledorera is
stopped
http://appledorera.org/  gives Service Temporarily Unavailable
and tail /var/log/apache2/mod_jk.log is
[Sun Jan 09 01:14:35.460 2011] [8183:3834091344] [debug]
jk_open_socket::jk_connect.c (448): socket TCP_NODELAY set to On
[Sun Jan 09 01:14:35.460 2011] [8183:3834091344] [debug]
jk_open_socket::jk_connect.c (548): trying to connect socket 14 to
127.0.0.1:8109
[Sun Jan 09 01:14:35.460 2011] [8183:3834091344] [info]
jk_open_socket::jk_connect.c (566): connect to 127.0.0.1:8109 failed
(errno=111)
[Sun Jan 09 01:14:35.460 2011] [8183:3834091344] [info]
ajp_connect_to_endpoint::jk_ajp_common.c (869): Failed opening socket to
(127.0.0.1:8109) (errno=111)
[Sun Jan 09 01:14:35.460 2011] [8183:3834091344] [error]
ajp_send_request::jk_ajp_common.c (1359): (appledorera) connecting to
backend failed. Tomcat is probably not started or is listening on the
wrong port (errno=111)
[Sun Jan 09 01:14:35.460 2011] [8183:3834091344] [info]
ajp_service::jk_ajp_common.c (2194): (appledorera) sending request to
tomcat failed (recoverable), because of error during request sending
(attempt=2)
[Sun Jan 09 01:14:35.460 2011] [8183:3834091344] [error]
ajp_service::jk_ajp_common.c (2212): (appledorera) Connecting to tomcat
failed. Tomcat is probably not started or is listening on the wrong port
[Sun Jan 09 01:14:35.460 2011] [8183:3834091344] [debug]
ajp_reset_endpoint::jk_ajp_common.c (691): (appledorera) resetting
endpoint with sd = 4294967295 (socket shutdown)
[Sun Jan 09 01:14:35.461 2011] [8183:3834091344] [debug]
ajp_done::jk_ajp_common.c (2530): recycling connection pool slot=0 for
worker appledorera
[Sun Jan 09 01:14:35.461 2011] [8183:3834091344] [info]
jk_handler::mod_jk.c (2364): Service error=-3 for worker=appledorera

This looks like correct behavior to me.

When the tomcat instance in /usr/local/tomcat/instances/appledorera is
started
http://appledorera.org/ gives an empty page
and tail /var/log/apache2/mod_jk.log is
[Sun Jan 09 01:11:31.376 2011] [8190:3834091344] [debug]
ajp_connection_tcp_get_message::jk_ajp_common.c (1117): 0000    04 01 90
00 0B 42 61 64 20 52 65 71 75 65 73 74  - .....Bad.Request
[Sun Jan 09 01:11:31.376 2011] [8190:3834091344] [debug]
ajp_connection_tcp_get_message::jk_ajp_common.c (1117): 0010    00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00  - ................
[Sun Jan 09 01:11:31.376 2011] [8190:3834091344] [debug]
ajp_unmarshal_response::jk_ajp_common.c (608): status = 400
[Sun Jan 09 01:11:31.376 2011] [8190:3834091344] [debug]
ajp_unmarshal_response::jk_ajp_common.c (615): Number of headers is = 0
[Sun Jan 09 01:11:31.376 2011] [8190:3834091344] [debug]
ajp_connection_tcp_get_message::jk_ajp_common.c (1117): received from
ajp13 pos=0 len=2 max=8192
[Sun Jan 09 01:11:31.376 2011] [8190:3834091344] [debug]
ajp_connection_tcp_get_message::jk_ajp_common.c (1117): 0000    05 01 00
00 00 00 00 00 00 00 00 00 00 00 00 00  - ................
[Sun Jan 09 01:11:31.376 2011] [8190:3834091344] [debug]
ajp_process_callback::jk_ajp_common.c (1669): AJP13 protocol: Reuse is OK
[Sun Jan 09 01:11:31.376 2011] [8190:3834091344] [debug]
ajp_reset_endpoint::jk_ajp_common.c (691): (appledorera) resetting
endpoint with sd = 14
[Sun Jan 09 01:11:31.376 2011] [8190:3834091344] [debug]
ajp_done::jk_ajp_common.c (2530): recycling connection pool slot=0 for
worker appledorera
[Sun Jan 09 01:11:31.376 2011] [8190:3834091344] [debug]
jk_handler::mod_jk.c (2348): Service finished with status=400 for
worker=appledorera
That's the response from the server, and doesn't include the request
made. Can you empty your mod_jk log file, restart httpd, make a /single/
request that should go to Tomcat, and then post the mod_jk.log file back
to the list?

- -chris
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