testSaveStudents()运行报错
INFO: HHH000412: Hibernate Core {4.2.4.Final}
四月 02, 2016 8:50:38 上午 org.hibernate.cfg.Environment <clinit>
INFO: HHH000206: hibernate.properties not found
四月 02, 2016 8:50:38 上午 org.hibernate.cfg.Environment buildBytecodeProvider
INFO: HHH000021: Bytecode provider name : javassist
四月 02, 2016 8:50:38 上午 org.hibernate.service.jdbc.connections.internal.ConnectionProviderInitiator initiateService
WARN: HHH000181: No appropriate connection provider encountered, assuming application will be supplying connections
