Thank you Kevin and Jean-Luc. These tips were very helpful and I am now quite confidant about my future setup. Thanks.
Charlie > -----Original Message----- > From: Kevin Wang [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, February 20, 2002 7:50 PM > To: 'Tomcat Users List' > Subject: RE: Multiple Tomcat-servers on a single machine > > > It may not be big on disk, but it is on memory usage! > > One issue to be aware of: when you restart tomcat, but not the web server, > the persistent ajp13 connections that are initiated are not reset, and the > next N users (where N is the number of pre-setup connections, as per the > worker.NAME.cachesize= mod_jk property. The number may be higher due to > system activity.) will get 500 errors. > > A second issue is that even though you have virtual hosts, there is still > one central mod_jk properties file where you define the workers. This > prevents easy automation of adding and deleting virtual servers > via scripts, > compared to the old mod_jserv which allowed you to define > everything inside > the virtual server. > > But one apache server with multiple virtual servers connecting to multiple > tomcats is no problem, as long as you have enough memory. > > - Kevin > > -----Original Message----- > From: Charles N. Harvey III [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, February 20, 2002 9:30 AM > To: Tomcat Users List > Subject: RE: Multiple Tomcat-servers on a single machine > > > I have a question relating to this... > > We run around 6 sites each of which has a www and a java > directory. We will > be moving everything to tomcat very soon. The web servers I will have > seperately from the tomcat servers with the ajp (mod_jk) connector > connecting the machines. > > Apache has virtual hosts. And within each virtual host I will have a > connection to the apropriate directory on the tomcat server where that > site's classes/applications are located. > > What I want to be able to do though is restart one instance > without dropping > the classloader of another. Can I do that with one tomcat install and > simply having multiple connectors in the server.xml? Or do I have > to install > tomcat multiple times? It is not a big deal if I have to install many > times, it is not very large. > > Thanks for the help. > > Charlie > > > -----Original Message----- > > From: Ion Larranaga [mailto:[EMAIL PROTECTED]] > > Sent: Wednesday, February 20, 2002 12:24 PM > > To: Tomcat Users List > > Subject: RE: Multiple Tomcat-servers on a single machine > > > > > > > > I think that you have two possibilities to do what you want: > > > > - You could set up one instance of Tomcat with X different contexts, > > so that each user has his own. Servlets from different users would > > have different physical directories, so each user would have > a different > > working directory. This way, users would access their > specific servlets > > with URLs: > > > > http://server/user1/servlet/yourServlet > > http://server/user2/servlet/yourServlet > > ... > > > > - But if you want the course to be more complete, including > configuration > > of Tomcat, of course you should set up different Tomcat instances for > > one. These instances should listen on a different port, so they will > > need > > different configuration files (server.xml), updating the port each > > HttpConnector listens to. This way, the URLs to access the servlets > > would > > be: > > > > http://server:8081/user1/servlet/yourServlet > > http://server:8082/user2/servlet/yourServlet > > ... > > > > Just as long as different instances do not try to listen to the same > > port there should be no problem. If you will connect to Tomcat through > > Apache, it is > > basically the same, but changing the port of ajp or warp connectors > > (depending on > > the Apache module you use) > > > > Hope it helps, > > > > Ion > > > > > > -----Mensaje original----- > > De: Anders Gunnare [mailto:[EMAIL PROTECTED]] > > Enviado el: miercoles, 20 de febrero de 2002 17:49 > > Para: [EMAIL PROTECTED] > > Asunto: Multiple Tomcat-servers on a single machine > > > > > > Hello World, > > > > How shall I do if I would like to have multiple Tomcat-servers on a > > single machine? > > > > I have tried to read the doc, but I can't understand how I practically > > shall do the work... For example, 5 different UNIX-users shall have 5 > > different Tomcat-servers, > > one user=one Tomcat-server. > > > > The reasons is that I shall have a Servlet-course and I have one > > UNIX-server where we shall do our work. > > > > Best regards > > Anders Gunnare > > Frontec > > Sweden > > > > > > -- > > To unsubscribe: <mailto:[EMAIL PROTECTED]> > > For additional commands: <mailto:[EMAIL PROTECTED]> > > Troubles with the list: <mailto:[EMAIL PROTECTED]> > > > > > > > > -- > > To unsubscribe: <mailto:[EMAIL PROTECTED]> > > For additional commands: <mailto:[EMAIL PROTECTED]> > > Troubles with the list: <mailto:[EMAIL PROTECTED]> > > > > > -- > To unsubscribe: <mailto:[EMAIL PROTECTED]> > For additional commands: <mailto:[EMAIL PROTECTED]> > Troubles with the list: <mailto:[EMAIL PROTECTED]> > -- To unsubscribe: <mailto:[EMAIL PROTECTED]> For additional commands: <mailto:[EMAIL PROTECTED]> Troubles with the list: <mailto:[EMAIL PROTECTED]>
