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Orion vs. Oracle

paul wheaton

Joined: Dec 14, 1998
Posts: 20496

Anybody know what the difference is between Orion and the Oracle J2EE product?

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Jeremy Wilson
Ranch Hand

Joined: Feb 18, 2003
Posts: 166
I believe there is no difference. Oracle licensed Orion's J2EE server as the container for Oracle Application Server.

Jeremy Wilson
Avi Abrami
Ranch Hand

Joined: Oct 11, 2000
Posts: 1121

As with all products that Oracle adopts (as their own), they originally start out as being the same, but slowly their paths diverge. OC4J is no exception. The first version of OC4J ( was purely the "OrionServer" product, thinly disguised (instead of the "orion.jar" file, they named it "oc4j.jar"). The latest incarnation -- version 10.0.3 -- is very different to "OrionServer", since both "OrionServer" and OC4J have progressed several versions since the original OC4J, and, as I said before, the development paths of "OrionServer" and OC4J have completely diverged.
Other examples of this behaviour include:
  • JDeveloper (originally JBuilder)
  • Oracle HTTP Server (originally Apache Web Server)

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