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Jeffrey,
On 6/15/15 10:49 AM, Jeffrey Janner wrote:
> I’m making the switch to running all my tomcats on Linux.
>
> I’m planning to deploy multiple instances per machine, splitting
> catalina_base and catalina_home, and just have question on the
> shutdown port.
>
> Under Windows, I just deployed the binary with the commons daemon
> wrapper and set the shutdown port to -1 and let the daemon manage
> the orderly shutdown.
>
> Is it possible to set the port to -1 under Linux and do something
> similar? Preferably without deploying the daemon wrapper also,
> though I’m willing to do if necessary. I am planning to manage
> them with service/init scripts for startup and shutdown.
The *NIX analog to the Windows Service runner /is/ jsvc.
I'm curious why you don't want to run jsvc.
If you don't want to run jsvc, why not pick a unique shutdown port
number and use the standard scripts?
We run multiple JVMs on a single machine, and we even (in dev) have
multiple users with multiple JVMs, etc. *and* we are using mod_jk to
connect them all, so we have to manage ports carefully.
We have come up with this method to organize everything:
1. Each user has a "user number" -- let's call that "u"
2. Each application has an "app number" -- let's call that "a"
Port numbers now look like this:
8ua5 - ajp port for the application
8ua6 - shutdown port for the application
8ua7 - secure port for loopback requests from other apps
(if necessary for the application)
We have scripts that use these things so a user just has to set up
their "u" and "a" values properly and everything works. It's also
possible to predict who will be using what port, and - ignoring typos
- - nobody has any conflicts.
- -chris
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