                        课程
                    
                        /后端开发
                        
                            /Java
                        
                        /Hibernate初探之单表映射

不知道哪里出错了，求指教！！！

一月 20, 2017 12:51:43 下午 org.hibernate.annotations.common.Version <clinit>
INFO: HCANN000001: Hibernate Commons Annotations {4.0.2.Final}
一月 20, 2017 12:51:43 下午 org.hibernate.Version logVersion
INFO: HHH000412: Hibernate Core {4.2.4.Final}
一月 20, 2017 12:51:43 下午 org.hibernate.cfg.Environment <clinit>
INFO: HHH000206: hibernate.properties not found
一月 20, 2017 12:51:43 下午 org.hibernate.cfg.Environment buildBytecodeProvider
INFO: HHH000021: Bytecode provider name : javassist
一月 20, 2017 12:51:43 下午 org.hibernate.cfg.Configuration configure
INFO: HHH000043: Configuring from resource: /hibernate.cfg.xml
一月 20, 2017 12:51:43 下午 org.hibernate.cfg.Configuration getConfigurationInputStream
INFO: HHH000040: Configuration resource: /hibernate.cfg.xml
一月 20, 2017 12:51:43 下午 org.hibernate.internal.util.xml.DTDEntityResolver resolveEntity
WARN: HHH000223: Recognized obsolete hibernate namespace http://hibernate.sourceforge.net/. Use namespace http://www.hibernate.org/dtd/ instead. Refer to Hibernate 3.6 Migration Guide!
一月 20, 2017 12:51:43 下午 org.hibernate.cfg.Configuration addResource
INFO: HHH000221: Reading mappings from resource: Students.hbm.xml