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

[Ming Jin (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBRULES-1567?page=all ]

Ming Jin resolved JBRULES-1567.
-------------------------------

    Resolution: Done

Resetting the ReteooRuleBuilder.ordered flag everytime a package is added to rulebase.

> ArrayIndexOutOfBoundsException in sequential execution after calling RuleBase.addPackage(..)
> --------------------------------------------------------------------------------------------
>
>                 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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