[ https://issues.jboss.org/browse/DROOLS-900?page=com.atlassian.jira.plugin... ] Pravasis Pattnaik updated DROOLS-900: ------------------------------------- Description: In the compiled drl file we were using (Sets.newHashSet(e1,e2,..)).contains(input) 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(input) it fixes everything. (was: 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.) -- This message was sent by Atlassian JIRA (v6.3.15#6346)