We handled this by dating all rules with a production start/stop date. Effectively we made all rules have a date condition implicitly added to control situations like this. I believe the BRMS has this functionality in it as well.

-Michael

-----Original Message-----
From: rules-users-bounces@lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] On Behalf Of hamid akhtarshenas
Sent: Tuesday, February 26, 2008 9:29 AM
To: rules-users@lists.jboss.org
Subject: [rules-users] two different versions...

Hi,

I have a question, How can i handle with Drools the following case:

i have two different versions of the same rule. The First one is allready deployed (On classpath, in a J2EE environment). I would like to deploy the second version, but all existing requests should still process with the old Version and new incoming requests should process with the new Version. Thanks a lot.

br,

Hamid
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