Hi all
I have considered using property resource bundles for storing
configuration information, messages (for internationalization) etc for
by EJB based application. I am aware that EJB spec restricts direct file
I/O. But I assume ResourceBundle.getBundle() can be used from within an
EJB. (But, the ResourceBundle class or one of its subclass will do file
I/O).
I have already seen discussions about this topic on this list. I think
the discussion ended by saying, "Yes. EJBs can use ResourceBundle to
access properties file". But this article from JavaWorld specifically
mentions that EJBs should not use file system based property files
(Restrictions on EJB components, point 4) -
http://www.javaworld.com/javaworld/jw-08-2000/jw-0825-ejbrestrict.html.
What do you think the author is trying to convey?
Let me for now assume that property resource bundles are allowed from within
EJBs. If the EJBs are deployed on different machines,
care should be taken to appropriately duplicate the property files
on all the machines. If a particular value should be changed, the property
files on all the machines, where the EJB is deployed, should also be changed.
I think it is going to be a deployment nightmare. Instead if we can have
the configurable properties in a database table would that make sense? Or
how about having custom properties in JNDI tree? (I dont know which Service
Provider should be used in this case)
Comments?
Regards.
--
shiv
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