Option 2 would work fine as long as you change all the ports that it needs, there 
shouldnt be any configurational stuff other than that as long as the box has the 
memory and cpu to cope.

Option 3, if you have the server then might as well use it.

Ta
Matt

-----Original Message-----
From: Hertenstein Alain [mailto:[EMAIL PROTECTED]
Sent: 13 May 2004 13:47
To: [EMAIL PROTECTED]
Subject: 2 Tomcat instances on the same server ?


Hello,
 
I have a server with one single webapps running on Tomcat 4.1.29 and MS
IIS 6 (linked through the JK Connector) on Win2K, in production and
accessible through the web. Now I need to have a second application
running on Tomcat + IIS too, but I'm not sure what option to take :
 
1- install the 2nd web apps on the same Tomcat,
2- install a 2nd Tomcat instance on the server and have that 2nd web
apps running on that 2nd instance,
3- have a 2nd server installed with its own configuration.
 
The issues I foresee according to the options :
- option 1 : if any severe problem arises on any application which could
affect Tomcat (Out of Memory error, etc), the other apps would also not
be available. Also when re-deploying an apps, the best solution is
usually to stop/start the Tomcat service, which would automatically
shutdown the other too.
- option 2 (my prefered one) : best solution I think so far, but could
there be any conflict between both Tomcats running on the same server ?
What specific step should I take to have them running side by side
without problem (besides having a different HTTP port) ?
- option 3 : expensive solution, although the 2nd server is almost ready
and already running.
 
Any opinion about this ? Has anyone tried any of the options above in a
Production environment (i.e. servers up 24/7 all year with least
interruption possible) ?
 
Thanks a lot,
Alain
 


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