java.lang.ClassCastException: event cannot be cast to org.drools.core.common.InternalFactHandle ----------------------------------------------------------------------------------------------- Key: DROOLS-1252 URL: https://issues.jboss.org/browse/DROOLS-1252 Project: Drools Issue Type: Bug Components: core engine Affects Versions: 6.4.0.Final Environment: Drools 6.4.Final Fusion (CEP) Reporter: Michael Neifeld Assignee: Mario Fusco Priority: Blocker Attachments: RULES_ERRORS.log, Rule_Emergency_Network_Start_No_Active_Call_Rule523993873.java It seems to be similar to another bug DROOLS-1185, but without any Modify. this is the rule: {code:java} declare EmergencyNetworkComplexEvent @role(event) @timestamp(timestamp) @expires(1h) end ... global Logger dlogger; ..... rule "Emergency Network Start No Active Call Rule" //EMERGENCY salience 90 // no-loop true when //conditions $event : EmergencyNetworkComplexEvent( transition == Transition.START) $predecessor : CallComplexEvent( radioID == $event.radioID ) not ( EmergencyActiveCallComplexEvent( getTransition() == Transition.START, getCallID() == $event.callID ) or EmergencyActiveCallComplexEvent( getTransition() == Transition.START, getRadioID() == $event.radioID )) then if (dlogger.isTraceEnabled()) dlogger.trace("Emergency Network Start No Active Call Rule: receiving {}, {}",$event, $predecessor); // action: create container, add the event to the container EmergencyActiveCallComplexEvent container = new EmergencyActiveCallComplexEvent($event); insert(container); delete($event); // ??? if (dlogger.isTraceEnabled()) dlogger.trace("Emergency Network Start No Active Call Rule: after delete {}",$event); //actions: register new active call, new emergency call new ActiveCallSnapshot().addCall($event); final EmergencyEventSnapshot snapshot = new EmergencyEventSnapshot(); snapshot.addEmergencyCall($event); //actions: get preceding event and add it to trail snapshot.add2Trail($predecessor); if (dlogger.isTraceEnabled()) dlogger.trace("Emergency Network Start No Active Call Rule: exiting {}",container); end {code} and this is the classdump of this rule: {code:java} package com.mot.ssol.cep; import com.mot.ssol.cep.model.ComplexEventImpl;import com.mot.nsa.monitor.client.NetworkEvent;import com.mot.ssol.cep.model.PseudoActiveCallComplexEvent;import java.util.Date;import com.mot.nsa.monitor.client.CallEvent.ChannelStatus;import com.mot.ssol.cep.model.ControlCallComplexEvent;import com.mot.nsa.monitor.client.GaugeValue;import org.apache.commons.lang3.StringUtils;import com.mot.ssol.cep.TDMAResolver;import com.mot.ssol.cep.model.CEPEvent;import com.mot.ssol.cep.*;import com.mot.ssol.cep.model.InactiveCallComplexEvent;import org.kie.api.runtime.rule.QueryResults;import com.mot.ssol.cep.EventBuilder;import com.mot.nsa.monitor.client.CallEvent;import com.mot.ssol.cep.model.EmergencyNetworkComplexEvent;import com.mot.nsa.monitor.analyzer.AnalyzedEvent;import com.mot.ssol.cep.TrapSnapshot;import com.mot.nsa.monitor.cepm.mapper.RadioAliasMapper;import com.mot.nsa.monitor.MutableTimestampAware;import com.mot.ssol.cep.model.NetworkComplexEvent;import com.mot.ssol.cep.model.CallComplexEvent;import com.mot.ssol.cep.model.ControlNetworkComplexEvent;import java.util.concurrent.BlockingQueue;import com.mot.nsa.monitor.cepm.model.CallCepmEvent;import java.util.concurrent.LinkedBlockingQueue;import com.mot.ssol.cep.model.GroupRegistrationComplexEvent;import com.mot.nsa.monitor.cepm.mapper.GroupAliasMapper;import com.mot.ssol.cep.model.BusyComplexEventDecorator;import java.util.List;import com.mot.ssol.cep.model.ComplexEvent.Type;import com.mot.ssol.cep.EmergencyEventSnapshot;import com.mot.nsa.monitor.cepm.mapper.ZoneMapper;import com.mot.ssol.cep.model.NetworkComplexEventImpl;import com.mot.ssol.cep.model.ChannelHandle;import com.mot.nsa.monitor.cepm.StatisticModule;import com.mot.nsa.monitor.client.ClientEvent;import com.mot.nsa.monitor.client.RadioEvent;import com.mot.ssol.cep.model.CallComplexEventImpl;import com.mot.ssol.cep.model.ChannelCallComplexEvent;import org.kie.api.runtime.rule.QueryResultsRow;import com.mot.nsa.monitor.MutableTransitionAware;import com.mot.ssol.cep.model.RadioHandle;import com.mot.ssol.cep.ActiveCallSnapshot;import com.mot.nsa.monitor.TransitionAware.Transition;import org.drools.core.spi.KnowledgeHelper;import com.mot.ssol.cep.model.PseudoRadioRegistrationComplexEvent;import com.mot.ssol.cep.model.EmergencyActiveCallComplexEvent;import com.mot.nsa.monitor.cepm.model.NonCallEvent;import org.slf4j.Logger;import com.mot.ssol.cep.model.EmergencyComplexEventDecorator;import org.apache.commons.lang3.time.DateUtils;import com.mot.nsa.monitor.client.NetworkEventImpl;import com.mot.ssol.cep.CallEventSnapshot;import com.mot.ssol.cep.model.PendingComplexEvent;import com.mot.ssol.cep.model.RadioRegistrationComplexEvent;import com.mot.ssol.cep.model.ComplexEvent;import com.mot.nsa.monitor.client.CallEventImpl;import com.mot.ssol.cep.model.ActiveCallComplexEvent;import com.mot.nsa.monitor.cepm.model.CallCepmEventImpl;import com.mot.ssol.cep.model.PseudoCallComplexEvent;import org.drools.core.spi.KnowledgeHelper;import static com.mot.ssol.cep.ClearAll.clearAll;import static com.mot.ssol.cep.EndZoneCall.endZoneCall;import static com.mot.ssol.cep.Busies2End.busies2End;import static com.mot.ssol.cep.EndCallEvents.endCallEvents;import static com.mot.ssol.cep.Events2busy.events2busy;import static com.mot.ssol.cep.EndCall.endCall;import static com.mot.ssol.cep.Emergency2end.emergency2end; public class Rule_Emergency_Network_Start_No_Active_Call_Rule523993873 { private static final long serialVersionUID = 510l; public static void defaultConsequence(KnowledgeHelper drools, com.mot.ssol.cep.model.EmergencyNetworkComplexEvent $event, org.kie.api.runtime.rule.FactHandle $event__Handle__ , com.mot.ssol.cep.model.CallComplexEvent $predecessor, org.kie.api.runtime.rule.FactHandle $predecessor__Handle__ , org.slf4j.Logger dlogger ) throws java.lang.Exception { org.kie.api.runtime.rule.RuleContext kcontext = drools; if (dlogger.isTraceEnabled()) dlogger.trace("Emergency Network Start No Active Call Rule: receiving {}, {}",$event, $predecessor); // action: create container, add the event to the container EmergencyActiveCallComplexEvent container = new EmergencyActiveCallComplexEvent($event); drools.insert(container); { drools.delete( $event__Handle__ ); }; // ??? if (dlogger.isTraceEnabled()) dlogger.trace("Emergency Network Start No Active Call Rule: after delete {}",$event); //actions: register new active call, new emergency call new ActiveCallSnapshot().addCall($event); final EmergencyEventSnapshot snapshot = new EmergencyEventSnapshot(); snapshot.addEmergencyCall($event); //actions: get preceding event and add it to trail snapshot.add2Trail($predecessor); if (dlogger.isTraceEnabled()) dlogger.trace("Emergency Network Start No Active Call Rule: exiting {}",container); } } {code}