hibernate的hello出现异常 搞了一天没明白 求大神指点！

[Areaze]

项目图如下，仿的马士兵的教程做的，
整了一天了快崩溃了 修改连接池timeout时间啥的都改过了就是没用，求大家帮忙给看下到底哪里错了，多谢！


hibernate.cfg.xml 如下图

<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
        "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
        "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">

<hibernate-configuration>

    <session-factory>

        <!-- Database connection settings -->
        <property name="connection.driver_class">com.mysql.jdbc.Driver</property>
        <property name="connection.url">jdbc:mysql://localhost:8080/hibernate</property>
        <property name="connection.username">root</property>
        <property name="connection.password">tiger</property>

        <!-- JDBC connection pool (use the built-in) -->
        <!--<property name="connection.pool_size">1</property>-->

        <!-- SQL dialect -->
        <property name="dialect">org.hibernate.dialect.MySQLDialect</property>

        <!-- Enable Hibernate's automatic session context management -->
        <property name="current_session_context_class">thread</property>

        <!-- Disable the second-level cache  -->
        <property name="cache.provider_class">org.hibernate.cache.NoCacheProvider</property>

        <!-- Echo all executed SQL to stdout -->
        <property name="show_sql">true</property>

        <!-- Drop and re-create the database schema on startup -->
        <!--<property name="hbm2ddl.auto">update</property> -->

        <mapping resource="com/hibernate/model/Student.hbm.xml"/>
		
    </session-factory>

</hibernate-configuration>

StudentTest.java

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;

import com.hibernate.model.Student;
public class StudentTest {
	public static void main(String[] args){
		Student s = new Student();
		s.setId(1);
		s.setName("s1");
		s.setAge(10);
		
		Configuration cfg =new Configuration();
		SessionFactory sf = cfg.configure().buildSessionFactory();
		Session session= sf.openSession();
		session.beginTransaction();
		session.save(s);
		session.getTransaction().commit();
		session.close();
		sf.close();
		
	}
	
	
}

Student.hbm.xml

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping package="com.hibernate.model" >
<class name="Student" table="student">
	<id name="id"></id>
	<property name="name"></property>
	<property name="age"></property>
</class>
</hibernate-mapping>

Student.java

package com.hibernate.model;

public class Student {
	private int age;
	private int id;
	private String name;
	
	
	public int getAge() {
		return age;
	}
	public int getId() {
		return id;
	}
	public String getName() {
		return name;
	}
	public void setAge(int age) {
		this.age = age;
	}
	public void setId(int id) {
		this.id = id;
	}
	public void setName(String name) {
		this.name = name;
	}
}

所报异常信息如下

Exception in thread "main" org.hibernate.exception.JDBCConnectionException: Cannot open connection
	at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:97)
	at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)
	at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:52)
	at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:449)
	at org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:167)
	at org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:142)
	at org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:85)
	at org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1354)
	at StudentTest.main(StudentTest.java:17)
Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
	at java.lang.reflect.Constructor.newInstance(Unknown Source)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
	at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:983)
	at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:339)
	at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2252)
	at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2285)
	at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2084)
	at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:795)
	at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:44)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
	at java.lang.reflect.Constructor.newInstance(Unknown Source)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
	at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:400)
	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:327)
	at java.sql.DriverManager.getConnection(Unknown Source)
	at java.sql.DriverManager.getConnection(Unknown Source)
	at org.hibernate.connection.DriverManagerConnectionProvider.getConnection(DriverManagerConnectionProvider.java:133)
	at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:446)
	... 5 more
Caused by: java.net.ConnectException: Connection refused: connect
	at java.net.DualStackPlainSocketImpl.connect0(Native Method)
	at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
	at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
	at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
	at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
	at java.net.PlainSocketImpl.connect(Unknown Source)
	at java.net.SocksSocketImpl.connect(Unknown Source)
	at java.net.Socket.connect(Unknown Source)
	at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:214)
	at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:298)
	... 21 more

整了一天了快崩溃了 修改连接池timeout时间啥的都改过了就是没用，求大家帮忙给看下到底哪里错了，多谢！

[Oeljeklaus]

<property name="connection.url">jdbc:mysql://localhost:8080/hibernate</property>错误 应该改为 <property name="connection.url">jdbc:mysql://localhost:3306/hibernate</property>