The following code in the RHS of a rule fails with mvel dialect:
+ " modify($p) { addresses.add(address) }\n" +
+ " //$p.getAddresses().add(address); update($p);\n" +
Exception:
Exception executing consequence for rule "addAddress" in defaultpkg: java.lang.ClassCastException: org.mvel2.optimizers.impl.refl.nodes.GetterAccessor cannot be cast to org.mvel2.optimizers.impl.refl.nodes.MethodAccessor at org.drools.core.runtime.rule.impl.DefaultConsequenceExceptionHandler.handleException(DefaultConsequenceExceptionHandler.java:39) at org.drools.core.common.DefaultAgenda.handleException(DefaultAgenda.java:1242) at org.drools.core.phreak.RuleExecutor.innerFireActivation(RuleExecutor.java:439) at org.drools.core.phreak.RuleExecutor.fireActivation(RuleExecutor.java:380) at org.drools.core.phreak.RuleExecutor.fire(RuleExecutor.java:136) at org.drools.core.phreak.RuleExecutor.evaluateNetworkAndFire(RuleExecutor.java:89) at org.drools.core.concurrent.AbstractRuleEvaluator.internalEvaluateAndFire(AbstractRuleEvaluator.java:34) at org.drools.core.concurrent.SequentialRuleEvaluator.evaluateAndFire(SequentialRuleEvaluator.java:43) at org.drools.core.common.DefaultAgenda.fireLoop(DefaultAgenda.java:1062) at org.drools.core.common.DefaultAgenda.internalFireAllRules(DefaultAgenda.java:1009) at org.drools.core.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1001) at org.drools.core.impl.StatefulKnowledgeSessionImpl.internalFireAllRules(StatefulKnowledgeSessionImpl.java:1330) at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1321) at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1305) at org.drools.compiler.integrationtests.Misc2Test.testModifyAddToList(Misc2Test.java:9139)
Notes:
- The same rule worked in Drools 6.5.x
- The alternative syntax (commented out in the snippet above) works
- is cloned by
-
DROOLS-4447 ClassCastException in mvel when updating a List property with modify
-
- Closed
-
