Hello,
I have several general questions regarding JBoss. If you are not hungry
enough to
answer them all, do not hesitate to just answer some!
- Does JBoss support some sort of (automatic) load-balancing or fail-over?
- (depending on previous answer) Is is possible to deploy an EJB
application
on several servers at the same time (for load balancing or fail-over)?
- As I tried JBoss, I have maybe not seen every tool available.
Consequently:
- Is there any GUI tool for "physical" deployement?
- Is there any GUI tool for EJB management (who's alive, on which
server,
which load, stats, ...)?
- Is there any GUI tool (linked to the EJB management tool for example)
for manually changing the location of an EJB (to force an EJB
to
work on a particular system for example)
- Is it possible to automatically upgrade an EJB while it may be used
(compatible with the old one)? (maybe it is more an EJB question)
And for the end, a more EJB question:
Imagine a situation where each workstation should run JBoss and some EJB.
These EJB should be able to access some shared ressources (EJB, MOM, ...) on
central servers (all running JBoss) but may also be deconnected from the
network (for any reason) and should be able to continue working (and
postpone their communication with central sites). How this may work? Is
there in EJB the idea of "domain" which may help? When accessing the JNDI
context to resolve some names, some should be local (i.e. available even
when the station is disconnected from the network) and some should be global
(i.e. centrally managed by the servers for example and made availble only
when stations are connected or, even better, replicated/synchronized on each
station). I hope you have understood the general idea of my problem. Any
idea/hint/... for this kind of environment would be greattttly appreciated.
It is always possible to develop this again and again but I secretly hope
the EJB/JNDI/... environement will be of some help for this ;)
Cheers,
Sacha
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