Spring4.X使用c3p0加载配置文件连接数据库,出现的Access denied for user 'root'@'localhost' 错误!
2017-07-25 23:40
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<bean id="dbTools2" class="com.db.MyDBUtils2"> <property name="ds.driverClass" value="${driver}"/> <property name="ds.jdbcUrl" value="${url}"/> <property name="ds.user" value="${username}"/> <property name="ds.password" value="${password}"/> <property name="ds.initialPoolSize" value="${initPoolSize}"> </property> <property name="ds.maxPoolSize" value="${maxPoolSize}"> </property> </bean> 原因有以下两点: 1.${username}右面有空格。 2.属性文档中,设置数据库的用户名时,键不能取名为username,因为${username}会被解析为你电脑的账户名(比如:administrator),可添加前缀解决,如:${c3p0.username};
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