[rules-users] Null Pointer Exception : org.mvel2.ast.Negation.getReducedValueAccelerated(PredicateConstraint.java:298)

ronalbury ronalbury at gmail.com
Wed Dec 28 10:24:40 EST 2011


I commented out the rule causing the null pointer error.
When it got to another null Boolean value (this time without negation) I got
another (different) null pointer exception:
org.drools.base.mvel.MVELPredicateExpression.evaluate(MVELPredicateExpression.java:104)

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