[jboss-jira] [JBoss JIRA] Created: (JBRULES-1571) Retract error: handle not found for object: null. Is it in the working memory?

[Ming Fang (JIRA)]

Retract error: handle not found for object: null. Is it in the working memory?
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                 Key: JBRULES-1571
                 URL: http://jira.jboss.com/jira/browse/JBRULES-1571
             Project: JBoss Drools
          Issue Type: Bug
      Security Level: Public (Everyone can see)
            Reporter: Ming Fang
         Assigned To: Mark Proctor
            Priority: Blocker


In both version 4.0.4 and 4.07 snapshot I'm getting this after running my application for a while.
Since this error does not happen all the time, it looks like some kind of race condition.
Caused by: org.drools.FactException: Retract error: handle not found for object: null. Is it in the working memory?
	at org.drools.base.DefaultKnowledgeHelper.retract(DefaultKnowledgeHelper.java:120)
	at com.ml.ax.drools.Rule_Retract_Cleanly_Terminated_Orders_0.consequence(Unknown Source)
	at com.ml.ax.drools.Rule_Retract_Cleanly_Terminated_Orders_0ConsequenceInvoker.evaluate(Unknown Source)
	at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:550)
	... 6 more



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