摘要： JBPMHibernateTomcatSpringfreemarker1、问题：org.hibernate.exception.ConstraintViolationException: could not delete: [org.jbpm.pvm.internal.model.ExecutionImpl#1]连接Mysql5时，jBPM4运行到 End结点时的错误，把 hibernate.dialect 改为 org.hibernate.dialect.MySQLInnoDBDialect2、问题：org.hibernate.HibernateException: instance not 阅读全文