本文介绍了当使用Hibernate的table generator策略生成主键时遇到ID溢出问题的解决方案。建议升级到Hibernate 3.5及以上版本，以支持Long类型的ID生成。对于不同版本的Hibernate，提供了具体的升级建议。
Problem: Using Hibernate’s table generator it starts generating negative ids when exceeding the Integer maximum of 2,147,483,647 .
Solution: Use a Hibernate version of at least 3.5. The older versions only support Integer values when using TableGenerator until Hibernate 3.5.
If you’re using TableHiLoGenerator use at least Hibernate 3.2.3. Long values are supported since this version.
If you’re simply using the @TableGenerator – Annotation it internally uses the TableHiLoGenerator which makes it sufficient to switch to Hibernate 3.2.3 or higher.
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