[jboss-jira] [JBoss JIRA] (JBRULES-3616) ConcurrentModificationException in AbstractRuleBase.removePackage

[Mario Fusco (JIRA)]

     [ https://issues.jboss.org/browse/JBRULES-3616?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mario Fusco reassigned JBRULES-3616:
------------------------------------

    Assignee: Mario Fusco  (was: Mark Proctor)

    
> ConcurrentModificationException in AbstractRuleBase.removePackage
> -----------------------------------------------------------------
>
>                 Key: JBRULES-3616
>                 URL: https://issues.jboss.org/browse/JBRULES-3616
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-core
>    Affects Versions: 5.4.0.Final, 5.5.0.Beta1
>            Reporter: Lukas Stampf
>            Assignee: Mario Fusco
>
> At AbstractRuleBase.removePackage:
> {code}
> //and now the rule flows
> final Map flows = pkg.getRuleFlows();
> for (final Iterator iter = flows.keySet().iterator(); iter.hasNext();) {
>      removeProcess( (String) iter.next() );
> }
> {code}
> At AbstractRuleBase.removeProcess
> {code}
> this.pkgs.get(process.getPackageName()).removeRuleFlow(id);
> {code}
> removeProcess removes an object from the Map referenced by the flows variable in removePackage. Since the iterator is based on this variable it leads to a ConcurrentModificationException at iter.next(). 

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