[rules-users] RuleBase Refresh

[Jeffrey Schneller]

I am having issues refreshing my RuleBase.  It works in some cases
[small numbers of rules] and doesn't work in others.  I am using the
Guvnor to maintain rules and all my rules are in Excel decision table.

 

To test, I created a simple package that contains 1 excel decision table
which has 1 rule [row] in it.  I ran my application.  Then rebuilt the
package in the Guvnor and my application refreshed the rule base
correctly.

 

Then in my actual application, I have other packages which contain many
100 rules if not 1000 rules all based on multiple excel based decision
tables.  If I run my application, then rebuild the package in the
Guvnor, my application throws the exception.

 

RuleAgent(Assembly) EXCEPTION (Fri Feb 26 12:02:32 EST 2010):
java.lang.ClassCastException: org.drools.util.ObjectHashMap cannot be
cast to org.drools.reteoo.BetaMemory. Stack trace should follow.
org.drools.RuntimeDroolsException: java.lang.ClassCastException:
org.drools.util.ObjectHashMap cannot be cast to
org.drools.reteoo.BetaMemory

 

It appears the problem occurs where there are many rules.  Any ideas?

 

This is going to be a major problem because the rules may need to be
refreshed on a pretty regular basis and restarted the app each time is
not an option.

 

Thanks.

 

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