You might think about using pws or some other mini server along with 
tomcat on each students machine.  This might not be practical, I don't 
know, but it would work as a development environment, then you could 
hook them up to IIS for the final test.  Just a thought.


[EMAIL PROTECTED] wrote:

> I'm trying to setup a development server for one of our programs that will allow 
>students to do JSP/Servlet development.  I have run an IIS server that supported 
>about 1000 students (no more than 150 running apps at a time.. about 50 at a time is 
>average) without many headaches... a crash a month at most.  
>  
> Part of the success of running the IIS server has been to isolate students into 
>their own process space (HIGH ISOLATED application in IIS) and creating tools to 
>monitor their applications.  I don't see a way of doing this using Tomcat.
>  
> 1) How do I isolate student applications into there own process space to prevent 
>them from crashing Tomcat (these students don't have much development experience)?
> 2) I was tinkering with the ISAPI filter for Tomcat and read an article that it was 
>possible to load Tomcat in the same process space as IIS 
>(http://jakarta.apache.org/tomcat/tomcat-3.2-doc/in-process-howto.html).  Can this 
>technique be extended to load an instance of Tomcat for every student using IIS 
>process isolation (I realize this means loading a Java VM for each student process.)?
>  
> With the current setup, IIS rarely crashes and runs extremely well... I would like 
>to have that same stability if we switch the program over to JSP/Servlets running 
>Tomcat.  Anybody out there trying to run a similar program?
>  
> Any comments or suggestions would be most appreciated.
>  
> Thanks,
>  
> Anthony Zoko
> Network Engineer
> DePaul University - CTI
> http://www.cs.depaul.edu/
>  
> 
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