org.hibernate.MappingException: Could not determine type for:

最新推荐文章于 2021-09-13 17:14:12 发布
原创 最新推荐文章于 2021-09-13 17:14:12 发布 · 1.1k 阅读 · 0 ·
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本文介绍了一种在将Oracle数据库迁移到MySQL过程中遇到的具体问题及其解决方案。主要问题为Hibernate MappingException错误，通过调整配置文件中ID类型设置解决了该问题。

我是把oracle数据库换成mysql的时候，出现的问题

org.hibernate.MappingException: Could not determine type for: java.lang.string, for columns: [org.hibernate.mapping.Column(id)]

解决办法是：把

        <id name="id" column="id" type="java.lang.Integer">
  <generator class="increment"/>
  </id>

配置中的type去掉，在运行，

        <id name="id" column="id" >
  <generator class="increment"/>
  </id>

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