On Thu, 31 Mar 2011, Caldarale, Charles R wrote:
> > From: Robert P. J. Day [mailto:rpj...@crashcourse.ca]
> > Subject: what exactly does it mean to run multiple tomcat "instances"?
>
> > i can see how multiple users could share a common CATALINA_HOME
> > directory, whose only common contents would be the bin/ and lib/
> > directories. but how would individual users take advantage of that?
>
> This has nothing to do with users, but rather with running multiple
> Tomcat servers on a single machine. For example, you may want to
> segregate webapps more than you can inside a single JVM, thus
> avoiding the potential of one misbehaving webapp taking the whole
> set down.
>
> > if i change that server port to, say, 8081, i'm just going to
> > run into another conflict on port 8009.
>
> Yes, each ip-address/port combination must be unique for each
> instance of Tomcat. This is true for any server-like program, not
> just Tomcat.
>
> > so if i want to run an entirely separate tomcat instance, don't i
> > have to modify server.xml
>
> Yes - each instance must have its own.
i'd eventually deduced most of that. i think it would be useful if
that were explained more forcefully in the RUNNING.txt file since it's
not immediately obvious.
rday
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Robert P. J. Day Waterloo, Ontario, CANADA
http://crashcourse.ca
Twitter: http://twitter.com/rpjday
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