java.lang.Boolean cannot be cast to org.drools.spi.Activation when used incremental kAgent + accumulate ------------------------------------------------------------------------------------------------------- Key: DROOLS-197 URL: https://issues.jboss.org/browse/DROOLS-197 Project: Drools Issue Type: Bug Security Level: Public(Everyone can see) Environment: Drools 5.3.0 Reporter: Alessandro Lazarotti Assignee: Mark Proctor Labels: brms-5.3 Attachments: SpiExceptionTest.java When used accumulate and incremental changes from the kagent (drools.agent.newInstance as false)the exception below is throwed: {quote} Exception in thread "Thread-0" java.lang.ClassCastException: java.lang.Boolean cannot be cast to org.drools.spi.Activation at org.drools.reteoo.RuleTerminalNode$RTNCleanupAdapter.cleanUp(RuleTerminalNode.java:492) at org.drools.reteoo.BetaNode.doRemove(BetaNode.java:381) at org.drools.common.BaseNode.remove(BaseNode.java:105) at org.drools.reteoo.RuleTerminalNode.doRemove(RuleTerminalNode.java:367) at org.drools.common.BaseNode.remove(BaseNode.java:105) {quote} Unit test attached.