[jboss-jira] [JBoss JIRA] (JBRULES-3248) Planner: if the construction heuristic finds the best score and the local search solver can't improve that ever, then the returned BestSolution is wrong

[Geoffrey De Smet (Commented) (JIRA)]

    [ https://issues.jboss.org/browse/JBRULES-3248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12634810#comment-12634810 ] 

Geoffrey De Smet commented on JBRULES-3248:
-------------------------------------------

also cherry-picked for 5.3.1
                
> Planner: if the construction heuristic finds the best score and the local search solver can't improve that ever, then the returned BestSolution is wrong
> --------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: JBRULES-3248
>                 URL: https://issues.jboss.org/browse/JBRULES-3248
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-planner
>    Affects Versions: 5.3.0.CR1
>            Reporter: Geoffrey De Smet
>            Assignee: Geoffrey De Smet
>             Fix For: 5.4.0.Beta1
>
>
> the local search solver's working solution isn't a clone of the best solution of the construction heuristic, but it is the same instance currently (=wrong), which explains the corruption.

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