HI package com.ldi; import java.io.ByteArrayInputStream; import java.io.InputStream; import javax.jws.WebMethod; import javax.jws.WebParam; import javax.jws.WebService; import javax.xml.bind.JAXBContext; import javax.xml.bind.JAXBElement; import javax.xml.bind.Unmarshaller; import org.drools.runtime.rule.FactHandle; import com.ldi.facts.LdiRulesHelper; import com.ldi.facts.ListOfCompetency; import com.ldi.facts.SchemeEligibility; import com.ldi.facts.Schemes; @WebService public class ValidateScheme { @WebMethod public SchemeEligibility validateScheme( @WebParam(name = "schemeheader") String schemeheader) { System.out.println("================================"); System.out.println("ValidateScheme"); System.out.println("================================"); System.out.println(schemeheader); InputStream is = new ByteArrayInputStream(schemeheader.getBytes()); SchemeEligibility service = null; LdiRulesHelper tresholdList = null; JAXBContext jc; Unmarshaller u; try { System.out.println("==============================="); System.out.println("Inside ValidateScheme try block"); jc = JAXBContext.newInstance("com.ldi.facts"); u = jc.createUnmarshaller(); JAXBElement element = (JAXBElement) u.unmarshal(is); service = (SchemeEligibility) element.getValue(); System.out.println("After element.getValue()"); System.out.println(service); PopulateFacts.getKnowledgeSession().insert(service); /* * for(LdiQuoteLine line : service.getLdiQuoteLine()) * PopulateFacts.getKnowledgeSession().insert(line); */ tresholdList = new LdiRulesHelper(); PopulateFacts.getKnowledgeSession().insert(tresholdList); PopulateFacts.getKnowledgeSession().startProcess("SchemeEligibility"); System.out.println("Try to find SchemeEligibility process"); PopulateFacts.getKnowledgeSession().fireAllRules(); } catch (Exception e) { e.printStackTrace(); } finally { FactHandle helperHandle = PopulateFacts.getKnowledgeSession() .getFactHandle(tresholdList); if (helperHandle != null) PopulateFacts.getKnowledgeSession().retract(helperHandle); FactHandle headerHandle = PopulateFacts.getKnowledgeSession() .getFactHandle(service); if (headerHandle != null) PopulateFacts.getKnowledgeSession().retract(headerHandle); /* for(ListOfCompetency eligibility:service.getListOfCompetency()) { FactHandle lineHandle =PopulateFacts.getKnowledgeSession().getFactHandle(eligibility); if(lineHandle!=null) PopulateFacts.getKnowledgeSession().retract(lineHandle); System.out.println("List Competency hellooo"); }*/ System.out.println("=================================="); System.out.println("header retracted"); System.out.println("=================================="); } return service; } } This is the code I am using... Regards Ganesh N -- View this message in context: http://drools.46999.n3.nabble.com/java-lang-boolean-cannot-be-cast-to-org... Sent from the Drools: User forum mailing list archive at Nabble.com.