thank you - no rush. can wait until next week.
r/luba
----- Original Message -----
From: "Sam Newman" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, June 18, 2001 4:54 PM
Subject: Re: What are EJB
> Hmm...I can certainly send you the config files Orcas uses to work with
> Tomcat. I'll try and dig them out (off site at the moment - back next
week).
> One way to communicate with an EJB container without any config problems
at
> all, is to use RMI.You bind an RMI object at your EJB container's machine,
> which will act as a proxy to the EJB (mine is in fact called
> CentralServerProxy). Your servlets then act as an RMI client. All you have
> to do to get this to work is run tomcat with a security manager (so you'll
> need java 2, and you have to uncomment the relevent line out of your
> server.xml), start an RMI security manager before retrieving the reference
> to the object, and tailor your tomcat.policy file to allow access (I ended
> up granting everything full permissions because I couldn't be bothered to
do
> it properly :-) ). The beauty of this approach is that:
> 1.)Tomcat doesn't have to be on the same machine as your EJB container as
> the communication is RMI (wouldn't be that secure though). It could even
> work over the web (RMI is simply a Java specific layer on Corba).
> 2.) You abstract the underlying EJB container. Different containers might
> require different configuration's for tomcat and the container itself to
get
> communication to work.
> I can go into more detail if you want (I have the code here). It doesn't
> take too long to setup, and you can easily protoype the system without an
> EJB container behind your Proxy RMI object - you could equally just use
JDBC
> to connect to MySql or something. Using servlets as an RMI client is
> outlines in the Servlet Programming book, in the odds and ends chapter I
> think (left my copy at the office!).
> Obviously you could use other communication mechanisms to abstract the
> communication - we also use 1024 bit encrypted secure pipes to communicate
> over the web between out central EJB server and client processes.
>
> sam
> ----- Original Message -----
> From: "Luba Powell" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Monday, June 18, 2001 5:31 PM
> Subject: Re: What are EJB
>
>
> > You think so? I will give in another chance.
> > Can you send to me configurations for Tomcat/EJB?
> >
> > thank you.
>
>
