原文:javax.persistence.RollbackException: Error while committing the transaction

the valid jpa update entity code gives the exception below in the case of wrong dependency org.hibernate, hibernate core, . . .CR entityManager.getTransaction .begin CompactDisc compactDisc entityMana ...

2013-12-09 09:07 0 4773 推薦指數:

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javax.persistence

http://docs.oracle.com/javaee/5/api/javax/persistence/package-summary.html The javax.persistence package contains the classes and interfaces ...

Wed Dec 19 22:11:00 CST 2012 0 3587
javax.persistence的@column

@column表示數據庫映射實體對應的列,有很多屬性(寫在括號里面的,用逗號隔開的) name屬性表示對應的列名 columnDefinition屬性表示創建表時,該字段創建的SQL語句,一般用於 ...

Thu Oct 22 18:28:00 CST 2020 0 637
解決javax.persistence.EntityNotFoundException: Unable to find

原:          javax.persistence.EntityNotFoundException: Unable to find 原因: 無論是@OneToOne 還是@ManyToOne,出現這個原因都是因為子表(被關聯表)中沒有主表(關聯表)中ID所對應的記錄。 解決 ...

Wed Jul 03 18:19:00 CST 2019 0 542
 
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