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?
- EJBs provide you a framework for building component-based
applications.
- Servlets are essentially request-response routers. They are not meant
for application development, though you can build database-driven
applications.
- Application servers let you deploy applications. There are two flavors
of application servers. One category contains the ones that started with
"web-enabling database" focus. Examples are NetDynamics, NAS etc. The
other breed (more recent) focuses on the middle-tier (components,
transactions etc).
> 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
> Servlet Engine and an Application Server? I'm very confused. Any help would
> be really appreciated. Thanks in advance,
> David.
There are trial versions available. Check IBM's WebSphere, BEA WebLogic,
Persistence PowerTier etc.
For more info look at
http://www.zdnet.com/pcweek/stories/news/0,4153,409380,00.html.
Regards,
Subrahmanyam
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Subrahmanyam A.V.B.
http://www.Subrahmanyam.com
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