Hibernate exception Hint _1

INFO:HHH000041:Configured Sessionfactory:null
September 15, 2016 12:29:35 am Org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl Configure
WARN:HHH000402:Using Hibernate built-in connection pool (not for production use!)

-----The Hibernate profile is not configured correctly--------
Reference:
<session-factory>
<!--declaration dialect---
<property name= "Hibernate.dialect" >org.hibernate.dialect.MySQLDialect</property>
<!--database-driven
<property name= "Hibernate.connection.driver_class" >com.mysql.jdbc.Driver</property>
<!--connect to a database--
<property name= "Hibernate.connection.url" >jdbc:mysql://localhost/hibernatedemo1</property>
<!--database user name and password--
<property name= "Hibernate.connection.password" >root</property>
<property name= "Hibernate.connection.username" >root</property>

<property name= "Hibernate.format_sql" >true</property>
<property name= "Show_sql" >true</property>

<property name= "Hibernate.hbm2ddl.auto" >update</property>
<!--associated HBM profile--
<mapping resource= "Com/watchfree/model/course.hbm.xml"/>
<mapping resource= "Com/watchfree/model/student.hbm.xml"/>
</session-factory>

Hibernate exception Hint _1