[jboss-jira] [JBoss JIRA] Created: (JBRULES-2956) Runtime error when using non-boolean expression as a constraint

[Wolfgang Laun (JIRA)]

Runtime error when using non-boolean expression as a constraint
---------------------------------------------------------------

                 Key: JBRULES-2956
                 URL: https://issues.jboss.org/browse/JBRULES-2956
             Project: Drools
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: drools-compiler
    Affects Versions: 5.2.0.M2
            Reporter: Wolfgang Laun
            Assignee: Mark Proctor


declare Num
  num  : Integer
  even : boolean
end
rule start
when
then
    insert( new Num( 42, true ) );
end
rule sumem
when
    $n: Num( num, num + 1, eval(num + 1) )
then
end

All of these constraints result in a RUNTIME error ar java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.Boolean org.drools.base.mvel.MVELPredicateExpression.evaluate(MVELPredicateExpression.java:97)



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