[jboss-jira] [JBoss JIRA] (DROOLS-511) KieContainerImpl.updateResourcesIncrementally throws NullPointerException when a package doesn't exist

[RH Bugzilla Integration (JIRA)]

     [ https://issues.jboss.org/browse/DROOLS-511?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

RH Bugzilla Integration updated DROOLS-511:
-------------------------------------------
    Bugzilla References: https://bugzilla.redhat.com/show_bug.cgi?id=1190903, https://bugzilla.redhat.com/show_bug.cgi?id=1194482  (was: https://bugzilla.redhat.com/show_bug.cgi?id=1190903)


> KieContainerImpl.updateResourcesIncrementally throws NullPointerException when a package doesn't exist
> ------------------------------------------------------------------------------------------------------
>
>                 Key: DROOLS-511
>                 URL: https://issues.jboss.org/browse/DROOLS-511
>             Project: Drools
>          Issue Type: Bug
>    Affects Versions: 6.0.0.Final
>            Reporter: Mike Wilson
>            Assignee: Mario Fusco
>              Labels: backport-to-6.0.x
>             Fix For: 6.2.0.CR1
>
>
> When calling KieContainerImpl.updateToVersion(ReleaseId), we sometimes experience a NullPointerException during a chained set of method calls that try to obtain a package, and then a rule within it.
> If the package is null, a NullPointerException is thrown, because there is no check in place before that call to get the rule from the package.
> To prevent this, a null check should be added to the package before trying to get the rule from it.



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