Exception in rule function doesn't bubble up with a constant message in BRMS

Solution Unverified - Updated -

Issue

  • I get different Exception messages in ksession level when a rule function hit an Exception.

Pattern A:

Caused by: [Error: DoDivide($frac.numerator, $frac.denominator): / by zero]
[Near : {... $frac.numericEquivalent=DoDivi ....}]
             ^
[Line: 1, Column: 1]
    at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:416)
    at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.optimizeAccessor(ReflectiveAccessorOptimizer.java:143)
    at org.mvel2.ast.ASTNode.optimize(ASTNode.java:159)
    at org.mvel2.ast.ASTNode.getReducedValueAccelerated(ASTNode.java:115)
    at org.mvel2.compiler.ExecutableAccessor.getValue(ExecutableAccessor.java:38)
    at org.mvel2.ast.DeepAssignmentNode.getReducedValueAccelerated(DeepAssignmentNode.java:92)
    at org.mvel2.MVELRuntime.execute(MVELRuntime.java:85)
    at org.mvel2.compiler.CompiledExpression.getDirectValue(CompiledExpression.java:123)
    at org.mvel2.compiler.CompiledExpression.getValue(CompiledExpression.java:119)
    at org.mvel2.compiler.CompiledExpression.getValue(CompiledExpression.java:113)
    at org.mvel2.MVEL.executeExpression(MVEL.java:930)
    at org.drools.base.mvel.MVELConsequence.evaluate(MVELConsequence.java:101)
    at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:1204)

Pattern B:

Caused by: java.lang.RuntimeException: cannot invoke method: DoDivide
    at org.mvel2.optimizers.impl.refl.nodes.MethodAccessor.getValue(MethodAccessor.java:63)
    at org.mvel2.ast.ASTNode.getReducedValueAccelerated(ASTNode.java:108)
    at org.mvel2.compiler.ExecutableAccessor.getValue(ExecutableAccessor.java:38)
    at org.mvel2.ast.DeepAssignmentNode.getReducedValueAccelerated(DeepAssignmentNode.java:92)
    at org.mvel2.MVELRuntime.execute(MVELRuntime.java:85)
    at org.mvel2.compiler.CompiledExpression.getDirectValue(CompiledExpression.java:123)
    at org.mvel2.compiler.CompiledExpression.getValue(CompiledExpression.java:119)
    at org.mvel2.MVEL.executeExpression(MVEL.java:930)
    at org.drools.base.mvel.MVELConsequence.evaluate(MVELConsequence.java:101)
    at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:1204)

Environment

  • Red Hat JBoss BRMS
    • 5.3.1

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