[jboss-jira] [JBoss JIRA] (DROOLS-1518) Undecipherable stacktrace from rule that failed with exception

Martin Sivak (JIRA) issues at jboss.org
Fri Apr 7 08:45:00 EDT 2017 

     [ https://issues.jboss.org/browse/DROOLS-1518?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Martin Sivak updated DROOLS-1518:
---------------------------------
    Description: 
One of my rules failed, but I can't really tell which because the stacktrace is not telling me anything useful.


{{
java.lang.NullPointerException: null
        at ConditionEvaluatora9ca906eae5d402ebbfea1f192edea08.evaluate(Unknown Source) ~[na:na]
        at org.drools.core.rule.constraint.MvelConstraint.evaluate(MvelConstraint.java:258) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
        at org.drools.core.rule.constraint.MvelConstraint.isAllowedCachedRight(MvelConstraint.java:241) ~[drools-core-6.4.0.Final.jar:6.4.0.
Final]
        at org.drools.core.common.DoubleBetaConstraints.isAllowedCachedRight(DoubleBetaConstraints.java:120) ~[drools-core-6.4.0.Final.jar:6
.4.0.Final]
        at org.drools.core.phreak.PhreakJoinNode.doRightInserts(PhreakJoinNode.java:162) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
        at org.drools.core.phreak.PhreakJoinNode.doNode(PhreakJoinNode.java:72) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
        at org.drools.core.phreak.RuleNetworkEvaluator.switchOnDoBetaNode(RuleNetworkEvaluator.java:519) ~[drools-core-6.4.0.Final.jar:6.4.0
.Final]
        at org.drools.core.phreak.RuleNetworkEvaluator.evalBetaNode(RuleNetworkEvaluator.java:505) ~[drools-core-6.4.0.Final.jar:6.4.0.Final
]
        at org.drools.core.phreak.RuleNetworkEvaluator.evalNode(RuleNetworkEvaluator.java:341) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
        at org.drools.core.phreak.RuleNetworkEvaluator.innerEval(RuleNetworkEvaluator.java:301) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
        at org.drools.core.phreak.RuleNetworkEvaluator.outerEval(RuleNetworkEvaluator.java:136) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
        at org.drools.core.phreak.RuleNetworkEvaluator.evaluateNetwork(RuleNetworkEvaluator.java:94) ~[drools-core-6.4.0.Final.jar:6.4.0.Fin
al]
        at org.drools.core.phreak.RuleExecutor.reEvaluateNetwork(RuleExecutor.java:194) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
        at org.drools.core.phreak.RuleExecutor.evaluateNetworkAndFire(RuleExecutor.java:73) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
        at org.drools.core.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:1007) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
        at org.drools.core.common.DefaultAgenda.fireLoop(DefaultAgenda.java:1350) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
        at org.drools.core.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1288) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
        at org.drools.core.impl.StatefulKnowledgeSessionImpl.internalFireAllRules(StatefulKnowledgeSessionImpl.java:1306) ~[drools-core-6.4.
0.Final.jar:6.4.0.Final]
        at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1297) ~[drools-core-6.4.0.Final.
jar:6.4.0.Final]
        at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1278) ~[drools-core-6.4.0.Final.
jar:6.4.0.Final]
}}


  was:
One of my rules failed, but I can't really tell which because the stacktrace is not telling me anything useful.


{{
java.lang.NullPointerException: null
        at ConditionEvaluatora9ca906eae5d402ebbfea1f192edea08.evaluate(Unknown Source) ~[na:na]
        at org.drools.core.rule.constraint.MvelConstraint.evaluate(MvelConstraint.java:258) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
        at org.drools.core.rule.constraint.MvelConstraint.isAllowedCachedRight(MvelConstraint.java:241) ~[drools-core-6.4.0.Final.jar:6.4.0.
Final]
        at org.drools.core.common.DoubleBetaConstraints.isAllowedCachedRight(DoubleBetaConstraints.java:120) ~[drools-core-6.4.0.Final.jar:6
.4.0.Final]
        at org.drools.core.phreak.PhreakJoinNode.doRightInserts(PhreakJoinNode.java:162) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
        at org.drools.core.phreak.PhreakJoinNode.doNode(PhreakJoinNode.java:72) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
        at org.drools.core.phreak.RuleNetworkEvaluator.switchOnDoBetaNode(RuleNetworkEvaluator.java:519) ~[drools-core-6.4.0.Final.jar:6.4.0
.Final]
        at org.drools.core.phreak.RuleNetworkEvaluator.evalBetaNode(RuleNetworkEvaluator.java:505) ~[drools-core-6.4.0.Final.jar:6.4.0.Final
]
        at org.drools.core.phreak.RuleNetworkEvaluator.evalNode(RuleNetworkEvaluator.java:341) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
        at org.drools.core.phreak.RuleNetworkEvaluator.innerEval(RuleNetworkEvaluator.java:301) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
        at org.drools.core.phreak.RuleNetworkEvaluator.outerEval(RuleNetworkEvaluator.java:136) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
        at org.drools.core.phreak.RuleNetworkEvaluator.evaluateNetwork(RuleNetworkEvaluator.java:94) ~[drools-core-6.4.0.Final.jar:6.4.0.Fin
al]
        at org.drools.core.phreak.RuleExecutor.reEvaluateNetwork(RuleExecutor.java:194) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
        at org.drools.core.phreak.RuleExecutor.evaluateNetworkAndFire(RuleExecutor.java:73) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
        at org.drools.core.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:1007) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
        at org.drools.core.common.DefaultAgenda.fireLoop(DefaultAgenda.java:1350) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
        at org.drools.core.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1288) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
        at org.drools.core.impl.StatefulKnowledgeSessionImpl.internalFireAllRules(StatefulKnowledgeSessionImpl.java:1306) ~[drools-core-6.4.
0.Final.jar:6.4.0.Final]
        at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1297) ~[drools-core-6.4.0.Final.
jar:6.4.0.Final]
        at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1278) ~[drools-core-6.4.0.Final.
jar:6.4.0.Final]}}




> Undecipherable stacktrace from rule that failed with exception
> --------------------------------------------------------------
>
>                 Key: DROOLS-1518
>                 URL: https://issues.jboss.org/browse/DROOLS-1518
>             Project: Drools
>          Issue Type: Bug
>          Components: core engine
>    Affects Versions: 6.4.0.Final
>            Reporter: Martin Sivak
>            Assignee: Mario Fusco
>
> One of my rules failed, but I can't really tell which because the stacktrace is not telling me anything useful.
> {{
> java.lang.NullPointerException: null
>         at ConditionEvaluatora9ca906eae5d402ebbfea1f192edea08.evaluate(Unknown Source) ~[na:na]
>         at org.drools.core.rule.constraint.MvelConstraint.evaluate(MvelConstraint.java:258) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
>         at org.drools.core.rule.constraint.MvelConstraint.isAllowedCachedRight(MvelConstraint.java:241) ~[drools-core-6.4.0.Final.jar:6.4.0.
> Final]
>         at org.drools.core.common.DoubleBetaConstraints.isAllowedCachedRight(DoubleBetaConstraints.java:120) ~[drools-core-6.4.0.Final.jar:6
> .4.0.Final]
>         at org.drools.core.phreak.PhreakJoinNode.doRightInserts(PhreakJoinNode.java:162) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
>         at org.drools.core.phreak.PhreakJoinNode.doNode(PhreakJoinNode.java:72) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
>         at org.drools.core.phreak.RuleNetworkEvaluator.switchOnDoBetaNode(RuleNetworkEvaluator.java:519) ~[drools-core-6.4.0.Final.jar:6.4.0
> .Final]
>         at org.drools.core.phreak.RuleNetworkEvaluator.evalBetaNode(RuleNetworkEvaluator.java:505) ~[drools-core-6.4.0.Final.jar:6.4.0.Final
> ]
>         at org.drools.core.phreak.RuleNetworkEvaluator.evalNode(RuleNetworkEvaluator.java:341) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
>         at org.drools.core.phreak.RuleNetworkEvaluator.innerEval(RuleNetworkEvaluator.java:301) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
>         at org.drools.core.phreak.RuleNetworkEvaluator.outerEval(RuleNetworkEvaluator.java:136) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
>         at org.drools.core.phreak.RuleNetworkEvaluator.evaluateNetwork(RuleNetworkEvaluator.java:94) ~[drools-core-6.4.0.Final.jar:6.4.0.Fin
> al]
>         at org.drools.core.phreak.RuleExecutor.reEvaluateNetwork(RuleExecutor.java:194) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
>         at org.drools.core.phreak.RuleExecutor.evaluateNetworkAndFire(RuleExecutor.java:73) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
>         at org.drools.core.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:1007) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
>         at org.drools.core.common.DefaultAgenda.fireLoop(DefaultAgenda.java:1350) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
>         at org.drools.core.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1288) ~[drools-core-6.4.0.Final.jar:6.4.0.Final]
>         at org.drools.core.impl.StatefulKnowledgeSessionImpl.internalFireAllRules(StatefulKnowledgeSessionImpl.java:1306) ~[drools-core-6.4.
> 0.Final.jar:6.4.0.Final]
>         at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1297) ~[drools-core-6.4.0.Final.
> jar:6.4.0.Final]
>         at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1278) ~[drools-core-6.4.0.Final.
> jar:6.4.0.Final]
> }}



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