I'm trying to testing latest version of drools 6.0.1.Final version and i have the issue of " java.lang.NoClassDefFoundError: org/drools/event/DebugProcessEventListener" . However, i can see class is now on the the following path "org.drools.core.event.DebugProcessEventListener" and why the context is seeking in org/drools/event/DebugProcessEventListener. instead of "org.drools.core.event.DebugProcessEventListener"
is there anything that i'm doing bad?

• with drools 5.5 everything is working OK.

Here is my pom.xml
--------------------------
<dependency>
<groupId>org.drools</groupId>
<artifactId>knowledge-api</artifactId>
<version>${drools.version}</version>
</dependency>
<dependency>
<groupId>org.drools</groupId>
<artifactId>drools-core</artifactId>
<version>${drools.version}</version>
</dependency>
<dependency>
<groupId>org.drools</groupId>
<artifactId>drools-compiler</artifactId>
<version>${drools.version}</version>
</dependency>
<dependency>
<groupId>org.drools</groupId>
<artifactId>drools-spring</artifactId>
<version>5.5.0.Final</version>
</dependency>

here is the log error:
----------------------------
Caused by: java.lang.NoClassDefFoundError: org/drools/event/DebugProcessEventListener
at org.drools.container.spring.namespace.KnowledgeSessionDefinitionParser.parseInternal(KnowledgeSessionDefinitionParser.java:115)
at org.springframework.beans.factory.xml.AbstractBeanDefinitionParser.parse(AbstractBeanDefinitionParser.java:59)
at org.springframework.beans.factory.xml.NamespaceHandlerSupport.parse(NamespaceHandlerSupport.java:73)
at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1338)
at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1328)
at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:135)
at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.registerBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:93)
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registerBeanDefinitions(XmlBeanDefinitionReader.java:493)
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:390)

Here is the contex-drools.xml
-------------------------------------
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:drools="http://drools.org/schema/drools-spring"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://drools.org/schema/drools-spring http://anonsvn.jboss.org/repos/labs/labs/jbossrules/trunk/drools-container/drools-spring/src/main/resources/org/drools/container/spring/drools-spring-1.2.0.xsd"
default-autowire="byName">

<drools:resource id="rulesEnergyUsage" type="DRL" source="classpath:com/aepenergy/b2b/miscpull/rules/rulesEnergyUsage.drl"/>

<drools:kbase id="kBaseEnergyUsage">
<drools:resources>
<drools:resource ref="rulesEnergyUsage"/>
</drools:resources>
</drools:kbase>
<drools:ksession id="kSessionEnergyUsage" kbase="kBaseEnergyUsage" type="stateful"/>
</beans>