To answer my own questions :)
1 As soon as I created the /usr/logs directory the error from the
mod_jk.log disappeared and the jk-runtime-status is written into the
directory with the .lock file happily.
2. I made the mistake to put an unneeded slash after the /apps on the
reverse proxy configuration screen using Server Admin from Apple.
János
On Jan 12, 2009, at 4:26 PM, János Löbb wrote:
Hi,
I am trying to setup a cluster using Apple supplied Apache2 and
Tomcat. On OSX, tomcat is in /Library/Tomcat.
Apache is configured in a mixed way, because Apple installs 1.3 and
2.2, so there is /etc/httpd for config of 1.3 and /etc/apache2 for
config of 2.2. However even the config file in /etc/apache2 refers
to the workers.properties in /etc/httpd :) Looks like as siamese
twins in the process of separation.
Tomcat version 6.0.18
Java:
java version "1.5.0_16"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_16-
b06-284)
Java HotSpot(TM) Server VM (build 1.5.0_16-133, mixed mode)
apache2: version 2.2
Tomcat is running after checking the checkbox and restarting Apache2
pathsrv1:httpd administrator$ ps -avx |grep tomcat
59195 Ss 0:01.10 0 0 0 600172 628 - 0
0.0 0.0 /bin/sh /Library/Tomcat/bin/tomcat-launchd.sh
62573 R+ 0:00.00 0 0 0 590472 92 - 0
0.0 0.0 grep tomcat
and I can get to the SessionExample via port 80.
However I get this into the mod_jk.log:
[Mon Jan 12 14:57:31 2009] [59281:0000] [error] init_jk::mod_jk.c
(2701): Initializing shm:/usr/logs/jk-runtime-status.59281 errno=2.
Load balancing workers will not function properly.
Looking on the Internet someone recommended to create a "run"
directory, that used to be in /usr/local/apache2/. I do not know if
that is the solution for this Apple supplied config on OSx 10.5.6.
I also have a second issue, but that might relate to this message
above. I created a reverse proxy setup and this is what Apple put
into the site configuration file:
<IfModule mod_proxy_balancer.c>
ProxyPass /apps/ balancer://balancer-group/
stickysession=JSESSIONID
ProxyPassReverse /apps/ balancer://balancer-group/
<Proxy "balancer://balancer-group">
BalancerMember http://pathsrv1.yalepath.org
loadfactor=1
</Proxy>
</IfModule>
Right now I have just one machine and I am trying it as a Balance
member and also as a reverse proxy. So based upon the config, I
thought that if I want to go to;
http://pathsrv1.yalepath.org/apps/examples/servlets/servlet/SessionExample
than the reverse proxy that is pathsrv1 will pass it to the balance
member, that is again pathsrv1 and from there It will give me the
SessionExample as if I would have gone just to
http://pathsrv1.yalepath.org/examples/servlets/servlet/SessionExample
Either my config is not right, or my thinking :)
Any good hint is appreciated.
János
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