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

[Lukas Stampf (JIRA)]

Lukas Stampf created JBRULES-3616:
-------------------------------------

             Summary: 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: Mark Proctor


At AbstractRuleBase.removePackage:

//and now the rule flows
final Map flows = pkg.getRuleFlows();
for (final Iterator iter = flows.keySet().iterator(); iter.hasNext();) {
     removeProcess( (String) iter.next() );
}

At AbstractRuleBase.removeProcess

this.pkgs.get(process.getPackageName()).removeRuleFlow(id);

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 ConcurrentModificationError at iter.next(). 

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