[jboss-jira] [JBoss JIRA] (DROOLS-1186) Setting the planning variable nullable in nurserostering examples causes Drools NPE

[Eugene Shvartsman (JIRA)]

    [ https://issues.jboss.org/browse/DROOLS-1186?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13441859#comment-13441859 ] 

Eugene Shvartsman commented on DROOLS-1186:
-------------------------------------------

Any possible workaround for those on 6.3.0.Final? 

> Setting the planning variable nullable in nurserostering examples causes Drools NPE
> -----------------------------------------------------------------------------------
>
>                 Key: DROOLS-1186
>                 URL: https://issues.jboss.org/browse/DROOLS-1186
>             Project: Drools
>          Issue Type: Bug
>          Components: core engine
>    Affects Versions: 6.2.0.Final, 6.3.0.Final
>         Environment: Windows 7 x 64, JDK 8u66, IDE netbeans 8.0.1.
>            Reporter: Julio Bellon Aguilera
>            Assignee: Mario Fusco
>            Priority: Critical
>             Fix For: 7.0.0.Beta1
>
>         Attachments: PLANNER_488.patch
>
>
> If you set the planning variable to "nullable=true", firstable, causes a IllegalStateException.
> fixed that, causes the first NPE, and fixed that, causes other NPE unfixed:
> Exception in thread "AWT-EventQueue-0" java.lang.IllegalStateException:
> Caused by: java.lang.NullPointerException
>     at org.drools.core.phreak.RuleNetworkEvaluator.deleteChildLeftTuple(RuleNetworkEvaluator.java:778)



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