c3p0请高手看看
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">
<property name="driverClass" value="com.mysql.jdbc.Driver"></property>
<property name="jdbcUrl" value="jdbc:mysql://localhost/ttt"></property>
<property name="user" value="root"></property>
<property name="password" value="admin"></property>
<property name="maxPoolSize" value="30"></property>
<property name="minPoolSize" value="3"></property>
<property name="initialPoolSize" value="3"></property>
<property name="maxIdleTime" value="60"></property>
<!-- <property name="acquireIncrement" value="10"></property>当连接池中的连接耗尽的时候c3p0一次同时获取的连接数。Default: 3 -->
<!-- <property name="acquireRetryAttempts" value="30"></property>定义在从数据库获取新连接失败后重复尝试的次数。Default: 30 -->
<!-- <property name="acquireRetryDelay" value="1000"></property>两次连接中间隔时间,单位毫秒。Default: 1000 -->
<!-- <property name="idleConnectionTestPeriod" value="120"></property>最大空闲时间,60秒内未使用则连接被丢弃。若为0则永不丢弃。Default: 0 -->
<!-- <property name="numHelperThreads" value="3"></property>c3p0是异步操作的,缓慢的JDBC操作通过帮助进程完成。扩展这些操作可以有效的提升性能
通过多线程实现多个操作同时被执行。Default: 3-->
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource"></property>
<property name="mappingResources">
<list>
<value>cn/oncat/domain/Yonghu.hbm.xml</value>
</list>
</property>
<property name="hibernateProperties">
<value>
hibernate.dialect=org.hibernate.dialect.MySQLDialect
hibernate.hbm2ddl.auto=update
hibernate.show_sql=true
hibernate.format_sql=true
<!-- hibernate.cache.use_second_level_cache=true
hibernate.cache.region.factory_class=org.hibernate.cache.ehcache.EhCacheRegionFactory
hibernate.cache.provider_class=net.sf.ehcache.hibernate.EhCacheProvider -->
</value>
</property>
</bean>
java.sql.SQLException: Access denied for user 'sa'@'localhost' (using password: NO)
请高手帮忙看看为什么user是root为什么老提示sa密码错误?