org.hibernate.StaleStateException: Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
org.hibernate.StaleStateException: Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
batch:批量
unexpected:意想不到的
actual:实际
expected:预期
报错原因:使用Hibernate的update进行更新时,对象的主键值为空。
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