Jaroslav Pullmann created JBRULES-3695: ------------------------------------------ Summary: OSGI Drools initialization failure: ExecutorProviderImpl not found Key: JBRULES-3695 URL: https://issues.jboss.org/browse/JBRULES-3695 Project: Drools Issue Type: Bug Security Level: Public (Everyone can see) Components: drools-core (expert) Affects Versions: 5.5.0.Final Reporter: Jaroslav Pullmann Assignee: Mark Proctor The following exception occurs if a rule containing a sliding time window pattern was retracted and asserted / updated again (see attached example). This is a common scenario in our AAL system, where users repeatedly generate and update rules (via a web GUI). java.lang.ClassCastException: org.drools.reteoo.WindowTupleList cannot be cast to org.drools.common.InternalFactHandle at org.drools.reteoo.WindowNode.updateSink(WindowNode.java:301) at org.drools.reteoo.BetaNode.attach(BetaNode.java:408) at org.drools.reteoo.builder.BuildUtils.attachNode(BuildUtils.java:145) at org.drools.reteoo.builder.GroupElementBuilder$NotBuilder.build(GroupElementBuilder.java:261) at org.drools.reteoo.builder.GroupElementBuilder.build(GroupElementBuilder.java:70) at org.drools.reteoo.builder.GroupElementBuilder$AndBuilder.build(GroupElementBuilder.java:112) at org.drools.reteoo.builder.GroupElementBuilder.build(GroupElementBuilder.java:70) at org.drools.reteoo.builder.ReteooRuleBuilder.addSubRule(ReteooRuleBuilder.java:161) at org.drools.reteoo.builder.ReteooRuleBuilder.addRule(ReteooRuleBuilder.java:134) at org.drools.reteoo.ReteooBuilder.addRule(ReteooBuilder.java:113) at org.drools.reteoo.ReteooRuleBase.addRule(ReteooRuleBase.java:445) at org.drools.common.AbstractRuleBase.addRule(AbstractRuleBase.java:952) at org.drools.common.AbstractRuleBase.addPackages(AbstractRuleBase.java:629) at org.drools.reteoo.ReteooRuleBase.addPackages(ReteooRuleBase.java:472) at org.drools.impl.KnowledgeBaseImpl.addKnowledgePackages(KnowledgeBaseImpl.java:149) -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira