十二、org.springframework.orm.hibernate3.HibernateQueryException: Book is not mapped

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org.springframework.orm.hibernate3.HibernateQueryException: Book is not mapped [from Book]; nested exception is org.hibernate.hql.ast.QuerySyntaxException: Book is not mapped [from Book]at org.springframework.orm.hibernate3.SessionFactoryUtils.convertHibernateAccessException(SessionFactoryUtils.java:657)at org.springframework.orm.hibernate3.HibernateAccessor.convertHibernateAccessException(HibernateAccessor.java:412)at org.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:424)at org.springframework.orm.hibernate3.HibernateTemplate.executeWithNativeSession(HibernateTemplate.java:374)at org.springframework.orm.hibernate3.HibernateTemplate.find(HibernateTemplate.java:921)at org.springframework.orm.hibernate3.HibernateTemplate.find(HibernateTemplate.java:913)at badyflf.action.impl.HibernateProductDao.findRecommend(HibernateProductDao.java:18)at badyflf.test.TestMain.findRecommend(TestMain.java:21)at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)at java.lang.reflect.Method.invoke(Method.java:597)at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:73)at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:46)at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:180)at org.junit.runners.ParentRunner.access$000(ParentRunner.java:41)at org.junit.runners.ParentRunner$1.evaluate(ParentRunner.java:173)at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)at org.junit.runners.ParentRunner.run(ParentRunner.java:220)at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:46)at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)Caused by: org.hibernate.hql.ast.QuerySyntaxException: Book is not mapped [from Book]at org.hibernate.hql.ast.util.SessionFactoryHelper.requireClassPersister(SessionFactoryHelper.java:158)at org.hibernate.hql.ast.tree.FromElementFactory.addFromElement(FromElementFactory.java:87)at org.hibernate.hql.ast.tree.FromClause.addFromElement(FromClause.java:70)at org.hibernate.hql.ast.HqlSqlWalker.createFromElement(HqlSqlWalker.java:255)at org.hibernate.hql.antlr.HqlSqlBaseWalker.fromElement(HqlSqlBaseWalker.java:3056)at org.hibernate.hql.antlr.HqlSqlBaseWalker.fromElementList(HqlSqlBaseWalker.java:2945)at org.hibernate.hql.antlr.HqlSqlBaseWalker.fromClause(HqlSqlBaseWalker.java:688)at org.hibernate.hql.antlr.HqlSqlBaseWalker.query(HqlSqlBaseWalker.java:544)at org.hibernate.hql.antlr.HqlSqlBaseWalker.selectStatement(HqlSqlBaseWalker.java:281)at org.hibernate.hql.antlr.HqlSqlBaseWalker.statement(HqlSqlBaseWalker.java:229)at org.hibernate.hql.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:228)at org.hibernate.hql.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:160)at org.hibernate.hql.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:111)at org.hibernate.engine.query.HQLQueryPlan.<init>(HQLQueryPlan.java:77)at org.hibernate.engine.query.HQLQueryPlan.<init>(HQLQueryPlan.java:56)at org.hibernate.engine.query.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:72)at org.hibernate.impl.AbstractSessionImpl.getHQLQueryPlan(AbstractSessionImpl.java:133)at org.hibernate.impl.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:112)at org.hibernate.impl.SessionImpl.createQuery(SessionImpl.java:1623)at org.springframework.orm.hibernate3.HibernateTemplate$30.doInHibernate(HibernateTemplate.java:923)at org.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:419)... 29 more

原因：

找不到mapping

解决：

1．最初的思路僵在：是否匹配继承product和book关系正确。查看，对比，确认了好几次继承关系的配置是没有错误的，但还是说没找到Book is not mapped，很矛盾

2．不想折腾了，回去找找Hibernate的项目瞧瞧，是不是漏了什么？最终才发现，是忘记在ssh.xml中，没有添加<value>badyflf/action/mapping/Product.hbm.xml</value>

折腾了1个小时多，瞎折腾！

没事瞎折腾~~~ 这就是搞开发的MING~~~！book