Could not resolve placeholder ' jdbc.driverclassname ' in string value ' ${jdbc.driverclassname}

Org.springframework.beans.factory.BeanDefinitionStoreException:Invalid Bean definition with name ' DataSource ' defined in file [D:\Workspaces\MyEclipse 10\springjdbc2\bin\applicationcontext.xml]: Could not resolve placeholder ' Jdbc.driverclassname ' in string value ' ${jdbc.driverclassname} '
At Org.springframework.beans.factory.config.PlaceholderConfigurerSupport.doProcessProperties ( placeholderconfigurersupport.java:209)
At Org.springframework.context.support.PropertySourcesPlaceholderConfigurer.processProperties ( propertysourcesplaceholderconfigurer.java:174)
At Org.springframework.context.support.PropertySourcesPlaceholderConfigurer.postProcessBeanFactory ( propertysourcesplaceholderconfigurer.java:151)
At Org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors ( abstractapplicationcontext.java:694)
At Org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors ( abstractapplicationcontext.java:669)
At Org.springframework.context.support.AbstractApplicationContext.refresh (abstractapplicationcontext.java:461)
At Org.springframework.context.support.classpathxmlapplicationcontext.<init> ( classpathxmlapplicationcontext.java:139)
At Org.springframework.context.support.classpathxmlapplicationcontext.<init> ( CLASSPATHXMLAPPLICATIONCONTEXT.JAVA:83)
At Www.csdn.springjdbc.dao.DeptTest.test (depttest.java:14)
At Sun.reflect.NativeMethodAccessorImpl.invoke0 (Native method)
At Sun.reflect.NativeMethodAccessorImpl.invoke (nativemethodaccessorimpl.java:39)
At Sun.reflect.DelegatingMethodAccessorImpl.invoke (delegatingmethodaccessorimpl.java:25)
At Java.lang.reflect.Method.invoke (method.java:597)
At Org.junit.runners.model.frameworkmethod$1.runreflectivecall (frameworkmethod.java:44)
At Org.junit.internal.runners.model.ReflectiveCallable.run (reflectivecallable.java:15)
At org.junit.runners.model.FrameworkMethod.invokeExplosively (frameworkmethod.java:41)
At Org.junit.internal.runners.statements.InvokeMethod.evaluate (invokemethod.java:20)
At Org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored (blockjunit4classrunner.java:79)
At Org.junit.runners.BlockJUnit4ClassRunner.runChild (blockjunit4classrunner.java:71)
At Org.junit.runners.BlockJUnit4ClassRunner.runChild (blockjunit4classrunner.java:49)
At Org.junit.runners.parentrunner$3.run (parentrunner.java:193)
At Org.junit.runners.parentrunner$1.schedule (parentrunner.java:52)
At Org.junit.runners.ParentRunner.runChildren (parentrunner.java:191)
At org.junit.runners.parentrunner.access$000 (parentrunner.java:42)
At Org.junit.runners.parentrunner$2.evaluate (parentrunner.java:184)
At Org.junit.runners.ParentRunner.run (parentrunner.java:236)
At Org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run (junit4testreference.java:50)
At Org.eclipse.jdt.internal.junit.runner.TestExecution.run (testexecution.java:38)
At Org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests (remotetestrunner.java:467)
At Org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests (remotetestrunner.java:683)
At Org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run (remotetestrunner.java:390)
At Org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main (remotetestrunner.java:197)

The simple error is that the name in your jdbc.properties is wrong, and the reference to ApplicationContext is inconsistent.