当spring spring尝试提交记录时，我正在获取提交失败，而步骤执行数据已经更新错误 . 任何帮助将不胜感激 . 我正在使用HIbernate JPA .
它适用于较少数量的记录 . 记录计数高时抛出错误 .
堆栈跟踪：
2016-01-20 08:49:45 INFO TaskletStep:359 - Commit failed while step execution data was already updated. Reverting to old version.
2016-01-20 08:49:45 ERROR TaskletStep:370 - Rolling back with transaction in unknown state
2016-01-20 08:49:45 ERROR AbstractStep:225 - Encountered an error executing step uploadFiles in job fileUploadJob
org.springframework.transaction.TransactionSystemException: Could not commit JPA transaction; nested exception is javax.persistence.RollbackException: Transaction marked as rollbackOnly
at org.springframework.orm.jpa.JpaTransactionManager.doCommit(JpaTransactionManager.java:524)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:757)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:726)