[jboss-jira] [JBoss JIRA] (DROOLS-900) java.lang.IncompatibleClassChangeError error while using HashSets

[Pravasis Pattnaik (JIRA)]

Pravasis Pattnaik created DROOLS-900:
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             Summary: java.lang.IncompatibleClassChangeError error while using HashSets
                 Key: DROOLS-900
                 URL: https://issues.jboss.org/browse/DROOLS-900
             Project: Drools
          Issue Type: Bug
          Components: core engine
    Affects Versions: 5.6.0.Final
            Reporter: Pravasis Pattnaik
            Assignee: Mario Fusco
            Priority: Minor
         Attachments: compiled-drl.txt, req.txt

In the compiled drl file we were using (Sets.newHashSet(e1,e2,..)).contains(x) then we get an exception java.lang.IncompatibleClassChangeError: Class XYZ does not implement the requested interface java.util.Collection on large input sets.Here XYZ is our input ruleRequest to be evaluated. If I change it to Sets.newHashSet(e1,e2,..).contains(x) it fixes everything.



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