-----Original Message-----
From: Subrahmanyam A.V.B. <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Date: 17 lipca 1999 14:46
Subject: Re: Servlets and Application Servers
>David Cabrera wrote:
>>
>> Could anyone help me starting to look for information about application
>> servers? I'm so far familiarized enough with servlets, but I'd like to
know
>> the advantages of Enterprise Java Beans and Application Servers. Are
>> servlets still used in those environments?
I can get you an answer based on my experience with BEA WebLogic. When it
plays as a HTTP server ( it is important to know that this is only a piece
of its great functionality) it uses servlets to perform almost all server's
tasks: ServletServlet to serve the temporary servlets (not registered within
server), FileServlet to serve common HTML files, PageCompileServlet to
compile and serve JHTML pages etc.
In general I could say that EJBs and servlets are two independent topics.
You can use EJBs in your servlet code, you can write a servlet without EJB,
and you can use EJBs to do other things.
>- EJBs provide you a framework for building component-based
>applications.
It will be true when you add that they are server-side components running in
special EJB container which is the part of a server.
>> Is there any trial version of an Application server? which one is the
best
>> for large applications accesing Oracle? What is the difference between a
Why not to look for Oracle Application Server and Oracle-i ?
WebLogic is also good. We tried type-4 native JDBC driver to access Informix
without any troubles. When you do "dbping" and it works it gives you a code
example to access a database in your application.
Olek
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