我使用openjpa,使用存储和提交。有时,我猜这是完整性问题(存储时间是同一日期的两倍)。The transaction has been rolled back. See the nested exceptions for details on the errors that occurred.
<openjpa-2.4.1-r422266:1730418 fatal store error> org.apache.openjpa.persistence.RollbackException: The