org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [beans.xml]: Error setting property values; nested exception is org.springframework.beans.NotWritablePropertyException: Invalid property 'driverClass' of bean class [org.springframework.jdbc.datasource.DriverManagerDataSource]: Bean property 'driverClass' 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.java:1529)
?at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1237)
?at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:552)
?at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
?at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
?at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
?at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
?at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
?at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:759)
?at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:866)
?at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:542)
?at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
?at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)
?at com.imooc.cn.SpringData.DataSourceTest.start(DataSourceTest.java:18)
?at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
?at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
?at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
?at java.lang.reflect.Method.invoke(Method.java:606)
?at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
?at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
?at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
?at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:27)
?at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30)
?at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
?at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
?at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
?at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
?at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
?at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
?at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
?at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
?at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
?at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
?at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
?at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
?at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:678)
?at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
?at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
Caused by: org.springframework.beans.NotWritablePropertyException: Invalid property 'driverClass' of bean class [org.springframework.jdbc.datasource.DriverManagerDataSource]: Bean property 'driverClass' 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.BeanWrapperImpl.createNotWritablePropertyException(BeanWrapperImpl.java:243)
?at org.springframework.beans.AbstractNestablePropertyAccessor.setPropertyValue(AbstractNestablePropertyAccessor.java:423)
?at org.springframework.beans.AbstractNestablePropertyAccessor.setPropertyValue(AbstractNestablePropertyAccessor.java:280)
?at org.springframework.beans.AbstractPropertyAccessor.setPropertyValues(AbstractPropertyAccessor.java:95)
?at org.springframework.beans.AbstractPropertyAccessor.setPropertyValues(AbstractPropertyAccessor.java:75)
?at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1525)
?... 37 more

java.lang.NullPointerException
?at com.imooc.cn.SpringData.DataSourceTest.destroy(DataSourceTest.java:24)
?at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
?at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
?at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
?at java.lang.reflect.Method.invoke(Method.java:606)
?at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
?at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
?at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
?at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:36)
?at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
?at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
?at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
?at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
?at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
?at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
?at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
?at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
?at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
?at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
?at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
?at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
?at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:678)
?at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
?at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)