Exception in thread "main" org.hibernate.hql.ast.QuerySyntaxException: User is not mapped [from User-优快云博客

本文链接：https://blog.youkuaiyun.com/Bettarwang/article/details/42889081

本文介绍了一个关于Hibernate框架中查询语法异常的问题，该异常源于实体类未正确映射到数据库。文章提供了详细的错误堆栈跟踪，并给出了解决方案：通过在配置文件hibernate.cfg.xml中增加相应的映射来解决。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

Exception in thread "main" org.hibernate.hql.ast.QuerySyntaxException: User is not mapped [from User user where user.name=?0 and user.pass=?1]
at org.hibernate.hql.ast.util.SessionFactoryHelper.requireClassPersister(SessionFactoryHelper.java:180)
at org.hibernate.hql.ast.tree.FromElementFactory.addFromElement(FromElementFactory.java:111)
at org.hibernate.hql.ast.tree.FromClause.addFromElement(FromClause.java:93)
at org.hibernate.hql.ast.HqlSqlWalker.createFromElement(HqlSqlWalker.java:322)
at org.hibernate.hql.antlr.HqlSqlBaseWalker.fromElement(HqlSqlBaseWalker.java:3441)
at org.hibernate.hql.antlr.HqlSqlBaseWalker.fromElementList(HqlSqlBaseWalker.java:3325)
at org.hibernate.hql.antlr.HqlSqlBaseWalker.fromClause(HqlSqlBaseWalker.java:733)
at org.hibernate.hql.antlr.HqlSqlBaseWalker.query(HqlSqlBaseWalker.java:584)
at org.hibernate.hql.antlr.HqlSqlBaseWalker.selectStatement(HqlSqlBaseWalker.java:301)
at org.hibernate.hql.antlr.HqlSqlBaseWalker.statement(HqlSqlBaseWalker.java:244)
at org.hibernate.hql.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:254)
at org.hibernate.hql.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:185)
at org.hibernate.hql.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:136)
at org.hibernate.engine.query.HQLQueryPlan.<init>(HQLQueryPlan.java:101)
at org.hibernate.engine.query.HQLQueryPlan.<init>(HQLQueryPlan.java:80)
at org.hibernate.engine.query.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:124)
at org.hibernate.impl.AbstractSessionImpl.getHQLQueryPlan(AbstractSessionImpl.java:156)
at org.hibernate.impl.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:135)
at org.hibernate.impl.SessionImpl.createQuery(SessionImpl.java:1770)
at com.login.hibernate.HqlQuery.findUser(HqlQuery.java:17)

at com.login.hibernate.HqlQuery.main(HqlQuery.java:27)

其实错误提示说得很清楚了，就是没有添加映射，只要在src下的hibernate.cfg.xml中增加相应类的映射即可。