Dear Cocoon User Group:
OK. Cocoon and the EJB world cannot be compared
side-
by-side since they are different beasts, but I put
EJB in the subject because it represents the "J2EE
Flag Ship;" at least, that is my perception.
A better subject line could have been "Cocoon vs.
JSP + ServerBeans + EJB" or similar.
Never-the-less, I've been studying the hell out of
EJB technology for the past two months, and EJB is
suppose to be good stuff?
Cases in point:
o One is suppose to write four, may six files
for each EJB: XxxBean, XxxHome, XxxRemote,
ejb-jar.xml, and now maybe XxxLocalHome and
XxxLocalRemote (isn't that last one an
oxymoron?).
o Adding another process space between the
servlet container and the database is a
good thing? I don't care how much object
pooling goes on. The fastest software is
software that doesn't exist.
o Entity EJB beans can provide caching, but
haven't databases been providing caching for
the last two decades already?
o Ya, CMP EJB are nice, but plain old JDBC does
most of this anyway WITHOUT any subclassing.
o Transactions? Doesn't look that difficult with
JTA, but I haven't done a project yet with JTA.
o Distributed EJB's for improved reliability? Wow,
there is sure a lot to potentially go wrong
here.
In summary:
1) For the complexity, has anyone found that the EJB
technology really brings good stuff to the table?
If so, are such projects mainstream, or somewhat
corner case like the super high rel banking domain?
2) It seems like for nearly all projects, Cocoon
makes
a much functionality and productivity richer
starting base than what Sun is advocating.
But I'm probably preaching to the quire here.
Inquiring Minds Want To Know:
Steven P. Punte
Steven P. Punte
Candlelight Software
By Candlelight If Necessary!
[EMAIL PROTECTED]
http://www.candlelightsoftware.com
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