无法插入数据，为什麽？

Question

四月 05, 2016 9:25:48 下午 org.hibernate.Version logVersion

INFO: HHH000412: Hibernate Core {5.1.0.Final}

四月 05, 2016 9:25:48 下午 org.hibernate.cfg.Environment <clinit>

INFO: HHH000206: hibernate.properties not found

四月 05, 2016 9:25:48 下午 org.hibernate.cfg.Environment buildBytecodeProvider

INFO: HHH000021: Bytecode provider name : javassist

四月 05, 2016 9:25:48 下午 org.hibernate.annotations.common.reflection.java.JavaReflectionManager <clinit>

INFO: HCANN000001: Hibernate Commons Annotations {5.0.1.Final}

四月 05, 2016 9:25:48 下午 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure

WARN: HHH10001002: Using Hibernate built-in connection pool (not for production use!)

四月 05, 2016 9:25:48 下午 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator

INFO: HHH10001005: using driver [com.mysql.jdbc.Driver] at URL [jdbc:mysql://localhost:3306/hibernate]

四月 05, 2016 9:25:48 下午 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator

INFO: HHH10001001: Connection properties: {user=root, password=****}

四月 05, 2016 9:25:48 下午 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator

INFO: HHH10001003: Autocommit mode: false

四月 05, 2016 9:25:48 下午 org.hibernate.engine.jdbc.connections.internal.PooledConnections <init>

INFO: HHH000115: Hibernate connection pool size: 20 (min=1)

四月 05, 2016 9:25:48 下午 org.hibernate.dialect.Dialect <init>

INFO: HHH000400: Using dialect: org.hibernate.dialect.MySQLDialect

四月 05, 2016 9:25:48 下午 org.hibernate.engine.jdbc.env.internal.LobCreatorBuilderImpl useContextualLobCreation

INFO: HHH000423: Disabling contextual LOB creation as JDBC driver reported JDBC version [3] less than 4

四月 05, 2016 9:25:54 下午 org.hibernate.tool.schema.internal.SchemaCreatorImpl applyImportSources

INFO: HHH000476: Executing import script 'org.hibernate.tool.schema.internal.exec.ScriptSourceInputNonExistentImpl@37d4349f'

四月 05, 2016 9:25:54 下午 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl stop

INFO: HHH10001008: Cleaning up connection pool [jdbc:mysql://localhost:3306/hibernate]