ERROR - Exception executing batch:
org.hibernate.StaleStateException: Batch update returned unexpected row count fr
om update [0]; actual row count: 0; expected: 1
ERROR - Could not synchronize database state with session
org.hibernate.StaleStateException: Batch update returned unexpected row count fr
om update [0]; actual row count: 0; expected: 1
不注意的话，还真的有点无所适从，Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
这个异常是由于主键设置为自增长，而在我们插入记录的时候设置了ID的值导致的。看下我的Hibernate映射文件中ID的定义：