[rules-users] Drools Integration with Spring

[Ketaki.Deshpande at cognizant.com]

Hi Experts,

 

I am facing one issue while integrating drools with Spring. 

 

I have done the following configurations 

 

Beans.xml : 

 

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

       xmlns:drools="http://drools.org/schema/drools-spring"  

                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"


 
xmlns:context="http://www.springframework.org/schema/context"

                   xmlns:aop="http://www.springframework.org/schema/aop"

 
xmlns:dwr="http://www.directwebremoting.org/schema/spring-dwr"

 
xsi:schemaLocation="http://www.springframework.org/schema/beans

 
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd

                http://www.springframework.org/schema/context

 
http://www.springframework.org/schema/context/spring-context-2.5.xsd

                http://www.springframework.org/schema/aop

 
http://www.springframework.org/schema/aop/spring-aop-2.0.xsd

                http://www.directwebremoting.org/schema/spring-dwr

 
http://www.directwebremoting.org/schema/spring-dwr-2.0.xsd

                http://drools.org/schema/drools-spring
http://anonsvn.jboss.org/repos/labs/labs/jbossrules/trunk/drools-contain
er/drools-spring/src/main/resources/org/drools/container/spring/drools-s
pring-1.0.0.xsd">

 

         <bean id="droolsDAOImpl" class="com.dao.DroolsDAOImpl">

                                <property name="sessionFactory"
ref="mySessionFactory" />

                                <property name="ksession" ref="ksession"
/>

                                <property name="intermediateData"
ref="intermediateData" />

                                <property name="kbase" ref="kbase" />

                </bean>

                

                <bean id="intermediateData"
class="com.pojo.IntermediateData" />

                

                <drools:kbase id="kbase">

          <drools:resources> 

              <drools:resource type="DRL"
source="classpath:Sample.drl"></drools:resource>

          </drools:resources>

 

    </drools:kbase>

        

    <drools:ksession id="ksession" type="stateful" kbase="kbase"/>  

 

------------------------------------------------------------------------
----------------------------

DroolsDAOImpl.java : 

 

 

public class DroolsDAOImpl implements DroolsDAO {

 

                private StatefulKnowledgeSession ksession;

                

                private IntermediateData intermediateData;

                

                private KnowledgeBase kbase;

 

                public KnowledgeBase getKbase() {

                                return kbase;

                }

 

                public void setKbase(KnowledgeBase kbase) {

                                this.kbase = kbase;

                }

 

                public StatefulKnowledgeSession getKsession() {

                                return ksession;

                }

 

                public void setKsession(StatefulKnowledgeSession
ksession) {

                                this.ksession = ksession;

                }

                

    public static void main(String args[]) throws Exception{

        

       Resource res = new ClassPathResource("beans.xml");

        BeanFactory factory = new XmlBeanFactory(res);

        DroolsDAOImpl
droolsDAOImpl=(DroolsDAOImpl)factory.getBean("droolsDAOImpl"); 

        droolsDAOImpl.init_drools(); 

  

    }

 

                public void init_drools() throws Exception{

                                

                                

                                try {

                                                

                                

                                    ksession =
kbase.newStatefulKnowledgeSession();

                                    

                                     

 
intermediateData.setNoofPay(noofPaytemp());

 
intermediateData.setRegPay(regpaytemp());

 


 
ksession.insert(intermediateData);

                                                ksession.fireAllRules();

                                                

                                                }              catch
(Throwable t) {

                                                                

 
logger.error("Exception occured in DroolsDAOImpl---"+t);

                                                                throw
new Exception("Some Error Occured. Please try after some time");

                                                

                                } }

 

 

I am having one drl file : Sample.drl which contains rule and
IntermediateData is simple pojo. 

But after running this I am getting following error: 

 

Caused by: org.xml.sax.SAXParseException: cvc-complex-type.2.4.c: The
matching wildcard is strict, but no declaration can be found for element
'drools:kbase'.

 

Can anyone help me with this issue? Thanks in advance



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