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

[Amana Juricic (JIRA)]

Amana Juricic created JBRULES-3467:
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             Summary: 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


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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