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[size=large][b]org.hibernate.PropertyValueException: not-null property references a null or transient value[/b][/size][color=red]at org.hibernate.engine.internal.Nullability.checkNullability(Nulla...

[b][/b] 详情地址：默认值：falsehttp://alleni123.iteye.com/admin/blogs/1978448比如多个Student对应一个Team,这里设置为true的时候，运行Team t=new Team();Student s1;Student s2;t.setStudents(s1,s2);session.save(t);...

[color=red]Caused by: org.hibernate.MappingException: Could not get constructor for org.hibernate.persister.entity.SingleTableEntityPersister at org.hibernate.persister.internal.PersisterFactoryImpl...

[color=red]INFO: HHH000424: Disabling contextual LOB creation as createClob() method threw error : java.lang.reflect.InvocationTargetExceptionException in thread "main" java.lang.ExceptionInInitiali...

[color=red]严重: Context initialization failedorg.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userController': Injection of autowired dependencies failed; neste...

10:30:16,909 WARN Oracle9Dialect:62 - HHH000063: The Oracle9Dialect dialect has been deprecated; use either Oracle9iDialect or Oracle10gDialect instead10:30:16,914 WARN OracleDialect:48 - HHH00006...

这个问题估计是用mysql建立网站都会碰到的。每天早上起来打开网页， 就会看到这个问题。。原因是mysql有一个time_out全局值， 这个值是28800, 也就是28800秒,正好是8小时。8个小时之后会断开连接， 然后jdbc的Connection就需要重新连接才行。在mysql中运行：show global variables like 'wait_timeout';就可以...

今天是SQL语句写错。String typeString hql="select * from t_user where type="+type;这里应该改为 String hql="select * from t_user where type='"+type+"'";

[color=red]org.hibernate.hql.internal.ast.QuerySyntaxException: Unable to locate appropriate constructor on class [com.lj.core.model.Channel] [select new Channel(c.id, c.name) from com.lj.core.model.C...