Unable to instantiate Action, com.zsxa.flow.action.ProDefinitionAction, defined for 'proDefinitionAction!search' in namespace '/'Error creating bean with name 'jbpmManager' defined in ServletContext resource [/WEB-INF/classes/applicationContext-flow-service.xml]: Cannot resolve reference to bean 'processEngine' while setting bean property 'processEngine'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'processEngine' defined in ServletContext resource [/WEB-INF/classes/applicationContext-jbpm-service.xml]: Instantiation of bean failed; nested exception is org.springframework.beans.factory.BeanDefinitionStoreException: Factory method [public org.jbpm.api.ProcessEngine org.jbpm.pvm.internal.processengine.SpringHelper.createProcessEngine()] threw exception; nested exception is org.hibernate.MappingException: Unknown entity: org.jbpm.pvm.internal.id.PropertyImpl
我之前用tomcat6.0启动的，后来再用weblogic12就抱着错误，郁闷半天了，求大神。
