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EJB
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Sample chapter from "EJB
Ever try to write a J2EE
As J2EE has become the
Ejb was introduced to Java
2.1 Kick Start" on
application accessing EJBs
enterprise development
technology to attain some
installing an application
across a firewall? It can be
platform of choice, more and
features inherent in
server to developing and
messy, and developers often
more J2EE-based applications
enterprise applications.
deploying an EJB on it.
must resort to all kinds of
are going into production.
Those features include
workarounds, none of them
One important component of
instance pooling, inbuilt
particularly
the J2EE platform is the
security, declarative
"neat." Developers
Enterprise JavaBeans (EJB)
transactions, container
often write a servlet to
API. Together, J2EE and EJB
managed persistence,
intercept HTTP requests and
technology offer many
relationship of business
delegate them to EJBs, which
advantages, but with these
objects and caching etc. Now
is kind of a kludge. Another
advantages come new
that many people have built
approach that uses tunneling
challenges. In particular,
their applications using
technologies-such as RMI
any problem in an enterprise
Ejb, let us go back and
over HTTP-can entail a big
system must be resolved
analyze if Ejb as a
performance hit. But there
quickly. In this article,
technology is really
is a better way. You can
Enterprise Java programming
significant in developing
solve this problem elegantly
veteran Srikanth Shenoy
enterprise applications. We
by using Java Secure Socket
reveals his best practices
are going to analyze both
Extension (JSSE).
in EJB exception handling
pros and cons of Ejb based
for faster problem
on experience of people who
resolution.
have used Ejb.
Date: Dec, 18 2002 Date: Jul, 02 2003 Date: Jun, 06 2002 Date: Jun, 04 2006 |
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