property 'driverClassName' of bean class [com.mc"/>
Invalid property 'driverClassName' of bean class [com.mc
错误信息： 严重: Exception sending context initialized event to listener instance of class [org.springframework.web.context.ContextLoaderListener] org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [config/applicationContext.xml]: Error setting property values; nested exception is org.springframework.beans.NotWritablePropertyException: Invalid property 'driverClassName' of bean class [com.mchange.v2.c3p0.ComboPooledDataSource]: Bean property 'driverClassName' is not writable or has an invalid setter method. Does the parameter type of the setter match the return type of the getter? at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory. at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory. at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory. at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory. at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry. at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory. at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory. at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory. at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext. at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext. at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader. at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader. at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener. at org.apache.catalina.core.StandardContext.listenerStart(StandardContext. at org.apache.catalina.core.StandardContext.startInternal(StandardContext. at org.apache.catalina.util.LifecycleBase.start(LifecycleBase. at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase. at org.apache.catalina.core.ContainerBase.addChild(ContainerBase. at org.apache.catalina.core.StandardHost.addChild(StandardHost. at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig. at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java: 解决方法： 从报错信息中可以看出是 [com.mchange.v2.c3p0.ComboPooledDataSource]是这个类下面的属性不正确，所以这里牵涉到dbcp和c3p0两种数据库连接池，在配置数据源的时候，使用这两种数据库连接池的时候，下面的属性是不一样的，这是问题的关键所在。所以只需要确定你用的是哪一种，然后去网上查一下，该类的属性按照对应的进行修改就行了。 dbcp和c3p0的比较： dbcp相对来说比较高效，但是存在丢失连接的可能，而c3p0则比较稳定。所以个人推荐使用c3p0作为数据库连接池更多推荐
Invalid property 'driverClassName' of bean class [com.mc
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