[jboss-jira] [JBoss JIRA] (JBRULES-3467) NullPointerException occurs when newInstance property is set to false for the KnowledgeAgentConfiguration

[RH Bugzilla Integration (JIRA)]

    [ https://issues.jboss.org/browse/JBRULES-3467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12686275#comment-12686275 ] 

RH Bugzilla Integration commented on JBRULES-3467:
--------------------------------------------------

Edson Tirelli <etirelli at redhat.com> changed the Status of [bug 813547|https://bugzilla.redhat.com/show_bug.cgi?id=813547] from ASSIGNED to MODIFIED
                
> NullPointerException occurs when newInstance property is set to false for the KnowledgeAgentConfiguration
> ---------------------------------------------------------------------------------------------------------
>
>                 Key: JBRULES-3467
>                 URL: https://issues.jboss.org/browse/JBRULES-3467
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-core  (expert)
>    Affects Versions: 5.2.0.Final
>            Reporter: Amana Juricic
>            Assignee: Mark Proctor
>             Fix For: 5.2.1.Final, 5.3.2.Final, 5.4.0.Final, 5.5.0.Beta1
>
>
> When the "drools.agent.newInstance" property is set to false, the client
> application which uses the KnowledgeAgent to recognize changes/ updates
> performed in KnowledgeBase throws an exception. It is thrown after changing a
> temporal rule and building the package: 
> Exception in thread "main" org.drools.RuntimeDroolsException: Unexpected
> exception executing action
> org.drools.rule.SlidingTimeWindow$BehaviorExpireWMAction at 5e53bbfa
>  at
> org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:1001)
>  at
> org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:734)
>  at
> org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:701)
>  at
> org.drools.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:218)
>  at com.sample.ExecutarAgente.main(ExecutarAgente.java:62)
> Caused by: java.lang.NullPointerException
>  at org.drools.rule.SlidingTimeWindow.isExpired(SlidingTimeWindow.java:192)
>  at org.drools.rule.SlidingTimeWindow.expireTuples(SlidingTimeWindow.java:161)
> *We are creating a test case to reproduce this bug.

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