Apologies, I probably confused you too. See below.
Vickie Troy-McKoy wrote:
...
When I call abc*, it goes to instance1; and when I call xyz*, it goes to instance2. However, both
instances have apps that start with "tsa". How do I configure the apache webserver to
service the "tsa" app for both tomcat instances?
configure a load balancer (worker) that uses the (other) two workers, in
addition to the
two workers, and add it to the worker list.
I think that rather than be added to the workers list, the load-balancer worker
must be the only one in the list. You then tell the balancer to balance the
two other workers.
Then the two individual apps won't work, as they're not present on both servers.
Oh. I did not read the OP's requirements carefully enough. Apologies, your instructions
were correct for the OP.
---------------------------------------------------
Thank you all for your suggestions. I tried configuring a load balancer worker; however,
I'm getting HTTP 500 messages--Internal Server Error. I reviewed the reference page;
however, apparently, I'm missing something. Also in the mod_jk.log, there's an error
stating: "Could not find worker with name 'instance2' in uri map post
processing". Any ideas? Thank you...
On the apache server in httpd.conf, I changed the JKMount statements because I
wanted to access all content.
Listen 80
.
.
.
LoadModule jk_module modules/mod_jk.so
#
JkWorkersFile conf/workers.properties
JkMount /* instance1
JkMount /* instance2
That is probably not what you want (and the one contradicts the other).
You should probably have instead :
# forward "/abc*" requests to Tomcat "instance1" only
JkMount /abc instance1
JkMount /abc* instance1
# forward "/xyz*" requests to Tomcat "instance2" only
JkMount /xyz instance2
JkMount /xyz* instance2
# forward "/tsa*" requests to either Tomcat, as selected by the balancer worker
JkMount /tsa balance1
JkMount /tsa* balance1
Note: if you really want to forward everything to Tomcat, and it doesn't matter which
Tomcat, and you want to let the balancer decide when to forward any request to either
Tomcat-1 or Tomcat-2, then just use the single line :
JkMount /* balance1
In workers.properties, added the load balancer information; it reflects the
following:
You seem to be missing :
workers.list=instance1,instance2,balance1
(as per Pid's earlier instructions, not as per my erroneous comment)
worker.balance1.type=lb
worker.balance1.balance_workers=instance1, instance2 <-- mod_jk may not like
the space after comma
#
worker.instance1.port=8009
worker.instance1.host=server.xxxx.com
worker.instance1.type=ajp13
#
worker.instance2.port=7009
worker.instance2.host=server.xxxx.com
worker.instance2.type=ajp13
On the tomcat server (which is the same server), I added the jvmRoute setting
in server.xml. For instance one, I added:
<Engine name="Catalina" defaultHost="localhost" jvmRoute="instance1">
For instance two, I added: <Engine name="Catalina" defaultHost="localhost"
jvmRoute="instance2">
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