[jboss-jira] [JBoss JIRA] Commented: (JBRULES-3044) Need BRMS-586/590 hotfix for Drools 5.1.1 / Salience firing order reversed or not observed on multple fact inserts post index

[Mark Proctor (JIRA)]

    [ https://issues.jboss.org/browse/JBRULES-3044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12629811#comment-12629811 ] 

Mark Proctor commented on JBRULES-3044:
---------------------------------------

There have been some recent fixes to the priority queue. Please try a 5.3 build and let us know if the problem still persists.

> Need BRMS-586/590 hotfix for Drools 5.1.1 / Salience firing order reversed or not observed on multple fact inserts post index
> -----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: JBRULES-3044
>                 URL: https://issues.jboss.org/browse/JBRULES-3044
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-compiler, drools-core
>    Affects Versions: 5.1.1.FINAL
>         Environment: Windows 7/64, ReHat Enterprise Linux 6, Drools 5.1.1 running Java 6 JRE/SDK (all versions currently available from Oracle), 2 GB RAM, 20+ GB Free HD Space
>            Reporter: Armand Welsh
>            Assignee: Mark Proctor
>            Priority: Critical
>
> When executing fireAllRules, all pre-index rules fire adhering to the salience prioritization.  If, however, during post-index execution, facts are inserted that are used in the conditions of lower salience rules in the same activation group, the rule will fire, regardless of the fact a higher salience rule has already fired.
> This is further complicated when defining default rules of default salience (though any salience value will suffice so long as the default rule has the lowest salience within the activation group).  When no pre-indexed facts are availble for the activation group, the default rule fires.  along, with other activation group rules.  During execution, a new fact is inserted that provides a hit for a higher salience rule in the same activation group as the default rule which already fired, however, the rule is not fired.
> In effect, pre-indexed facts are processed in descending salience order.  whereas post-indexed facts are processed in ascending salience order.
> In all scenarios described, there is not a fire once restriction assigned.

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