[jboss-jira] [JBoss JIRA] Updated: (JBRULES-2443) org.drools.runtime.rule.ConsequenceException caused by java.util.ConcurrentModificationException

[Jian Zhi (JIRA)]

     [ https://jira.jboss.org/jira/browse/JBRULES-2443?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jian Zhi updated JBRULES-2443:
------------------------------

    Attachment: sample.txt


> org.drools.runtime.rule.ConsequenceException caused by java.util.ConcurrentModificationException
> ------------------------------------------------------------------------------------------------
>
>                 Key: JBRULES-2443
>                 URL: https://jira.jboss.org/jira/browse/JBRULES-2443
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-core
>    Affects Versions: 5.0.1.FINAL
>            Reporter: Jian Zhi
>            Assignee: Mark Proctor
>         Attachments: sample.txt
>
>
> We got the rule consequence exception which is caused by ConcurrentModificationException. This happened when we import the payments for the consumers in the batch, and one of the consumer failed.  The rule is defined in the decision table in Guvnor. The source for the rule is attached. It's just a simple eligibility check. 
> Please investigate the issue. Thanks.
> org.drools.runtime.rule.ConsequenceException: [Error: drools.insert(fact0 ): null]
> [Near : {... Unknown ....}]
>              ^
> [Line: 1, Column: 0]
> 	at org.drools.runtime.rule.impl.DefaultConsequenceExceptionHandler.handleException(DefaultConsequenceExceptionHandler.java:23)
> 	at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:943)
> 	at org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:885)
> 	at org.drools.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1086)
> 	at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:660)
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------
> [Line: 1, Column: 0]
> 	at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:374)
> 	at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.optimizeAccessor(ReflectiveAccessorOptimizer.java:138)
> 	at org.mvel2.optimizers.dynamic.DynamicOptimizer.optimizeAccessor(DynamicOptimizer.java:62)
> 	at org.mvel2.ast.ASTNode.getReducedValueAccelerated(ASTNode.java:133)
> 	at org.mvel2.MVELRuntime.execute(MVELRuntime.java:85)
> 	at org.mvel2.compiler.CompiledExpression.getValue(CompiledExpression.java:104)
> 	at org.mvel2.MVEL.executeExpression(MVEL.java:978)
> 	at org.drools.base.mvel.MVELConsequence.evaluate(MVELConsequence.java:87)
> 	at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:934)
> 	... 52 more
> Caused by: java.lang.reflect.InvocationTargetException
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.getMethod(ReflectiveAccessorOptimizer.java:931)
> 	at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:316)
> 	... 60 more
> Caused by: java.util.ConcurrentModificationException
> 	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)
> 	at java.util.HashMap$ValueIterator.next(HashMap.java:822)
> 	at org.drools.reteoo.EntryPointNode.updateSink(EntryPointNode.java:285)
> 	at org.drools.reteoo.ObjectTypeNode.attach(ObjectTypeNode.java:279)
> 	at org.drools.reteoo.builder.PatternBuilder.attachObjectTypeNode(PatternBuilder.java:234)
> 	at org.drools.reteoo.ClassObjectTypeConf.<init>(ClassObjectTypeConf.java:93)
> 	at org.drools.common.ObjectTypeConfigurationRegistry.getObjectTypeConf(ObjectTypeConfigurationRegistry.java:58)
> 	at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:849)
> 	at org.drools.base.DefaultKnowledgeHelper.insert(DefaultKnowledgeHelper.java:114)
> 	at org.drools.base.DefaultKnowledgeHelper.insert(DefaultKnowledgeHelper.java:108)

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