[jboss-jira] [JBoss JIRA] (DROOLS-751) Different threads accessing LeftTuple fields that reference LeftTupleSet

[Mario Fusco (JIRA)]

    [ https://issues.jboss.org/browse/DROOLS-751?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13079092#comment-13079092 ] 

Mario Fusco commented on DROOLS-751:
------------------------------------

I improved this fix on master with this commit https://github.com/droolsjbpm/drools/commit/1bf2875e9

> Different threads accessing LeftTuple fields that reference LeftTupleSet
> ------------------------------------------------------------------------
>
>                 Key: DROOLS-751
>                 URL: https://issues.jboss.org/browse/DROOLS-751
>             Project: Drools
>          Issue Type: Bug
>    Affects Versions: 6.0.0.Final, 6.1.0.Final, 6.2.0.Final
>            Reporter: Tibor Zimányi
>            Assignee: Mario Fusco
>            Priority: Critical
>             Fix For: 6.3.0.Beta1
>
>
> In class LeftTupleSetsImpl there are missing nullchecks in some methods that contains handling LeftTuple instances. I.e. in method removeInsert there is LeftTuple variable previous that is not nullchecked.  



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