[jboss-jira] [JBoss JIRA] Created: (JBRULES-1567) ArrayIndexOutOfBoundsException in sequential execution after calling RuleBase.addPackage(..)

[Ming Jin (JIRA)]

ArrayIndexOutOfBoundsException in sequential execution after calling RuleBase.addPackage(..)
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                 Key: JBRULES-1567
                 URL: http://jira.jboss.com/jira/browse/JBRULES-1567
             Project: JBoss Drools
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: Drl Parser/Builder
    Affects Versions: 5.0.0-M1
         Environment: All
            Reporter: Ming Jin
         Assigned To: Ming Jin
            Priority: Minor
             Fix For: 5.0.0-M1


ArrayIndexOutOfBoundsException would been thrown after the following steps:
1. Create a rulebase with sequential set to true.
2. Add a package to rulebase, execute the rules.  The first execution would be successful.
3. Add another package to the same rulebase, then execute the rules.  An ArrayIndexOutOfBoundsException would been thrown as the followings:
java.lang.ArrayIndexOutOfBoundsException: -1
	at org.drools.common.ArrayAgendaGroup.add(ArrayAgendaGroup.java:140)
	at org.drools.reteoo.RuleTerminalNode.assertTuple(RuleTerminalNode.java:309)

Sequential execution requires to set order before execution.  Since the second addPackage call does not reset the "ordered" flag in ReteooRuleBase, the order was not correctly set for the newly added package.



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