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Today, hibernate reported a mistake: an association from the table content refers to an unmapped class: com.blog.content.kind
After investigation, it is found that the full name of the kind class in content.hbm.xml is wrong. Because the database table was changed before, the foreign key kind was introduced into the content table_ FK, and then use MyEclipse to automatically generate the content class and the corresponding HBM. XML file, such an error will appear
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