[jboss-jira] [JBoss JIRA] Created: (JBRULES-2930) KnowledgeAgentDefinitionParser can get NPEs

[stevearoonie (JIRA)]

KnowledgeAgentDefinitionParser can get NPEs
-------------------------------------------

                 Key: JBRULES-2930
                 URL: https://issues.jboss.org/browse/JBRULES-2930
             Project: Drools
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: drools-spring
    Affects Versions: 5.1.1.FINAL
            Reporter: stevearoonie
            Assignee: Mark Proctor


KnowledgeAgentDefinitionParser assumes that a spring bean definition has a bean class name, however when the bean extends a parent then it may not, as in the following example:

	<bean id="messageTemplateService" class="au.com.promedicus.template.freemarker.FreemarkerTemplateService">
		<constructor-arg ref="workflowFreemarkerConfiguration"/>
	</bean>
	
	<bean id="workflowFreemarkerConfiguration" parent="freemarkerConfiguration">
		<property name="templateLoader">
			<bean class="au.com.promedicus.core.messaging.freemarker.FreemarkerMessageLayoutTemplateLoader" />
		</property>
	</bean>

The BeanDefinition for bean "workflowFreemarkerConfiguration" has a null bean class name which causes KnowledgeAgentDefinitionParser.parseInternal to throw an NPE. Specifically this line:

if ( def.getBeanClassName().equals( StatelessKnowledgeSessionBeanFactory.class.getName() ) ) {



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