Invalid property &#039…

错误信息：

严重: Exception sending contextinitialized 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 pathresource [config/applicationContext.xml]: Error setting propertyvalues; nested exception isorg.springframework.beans.NotWritablePropertyException: Invalidproperty '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 thegetter?

atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.

atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.

atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.

atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.

atorg.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.

atorg.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.

atorg.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.

atorg.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.

atorg.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.

atorg.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.

atorg.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.

atorg.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.

atorg.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.

atorg.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.

atorg.apache.catalina.core.StandardContext.listenerStart(StandardContext.

atorg.apache.catalina.core.StandardContext.startInternal(StandardContext.

atorg.apache.catalina.util.LifecycleBase.start(LifecycleBase.

atorg.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.

atorg.apache.catalina.core.ContainerBase.addChild(ContainerBase.

atorg.apache.catalina.core.StandardHost.addChild(StandardHost.

atorg.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.

atorg.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