Exception logging and processing-cannot find class [Org.apache.commons.dbcp.BasicDataSource]

Exception description

The following exception occurred while using spring to obtain the JDBC connection, which was analyzed to be locked to Org.apache.commons.dbcp.BasicDataSource (red font)

Org.springframework.beans.factory.BeanCreationException:Error creating Bean with Name ' Userdao ': Injection of resource Dependencies failed;

Nested exception is org.springframework.beans.factory.CannotLoadBeanClassException: cannot find class [ Org.apache.commons.dbcp.BasicDataSource] for beans with the name ' DataSource ' defined in class path resource [Conn.xml];

Nested exception is java.lang.ClassNotFoundException:org.apache.commons.dbcp.BasicDataSource

At Org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessPropertyValues ( commonannotationbeanpostprocessor.java:311)
At Org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean ( abstractautowirecapablebeanfactory.java:1214)
At Org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean ( abstractautowirecapablebeanfactory.java:543)
At Org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean ( abstractautowirecapablebeanfactory.java:482)
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:772)
At Org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization ( abstractapplicationcontext.java:839)
At Org.springframework.context.support.AbstractApplicationContext.refresh (abstractapplicationcontext.java:538)
At Org.springframework.context.support.classpathxmlapplicationcontext.<init> ( classpathxmlapplicationcontext.java:139)
At Org.springframework.context.support.classpathxmlapplicationcontext.<init> ( CLASSPATHXMLAPPLICATIONCONTEXT.JAVA:83)
At DataSource. Connectiontest.test (CONNECTIONTEST.JAVA:14)
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:601)
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.InvokeMethod.evaluate (invokemethod.java:20)
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: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)

Caused by:org.springframework.beans.factory.CannotLoadBeanClassException:cannot find class [Org.apache.commons.dbcp.BasicDataSource]For beans with the name ' DataSource ' defined in class path resource [Conn.xml]; Nested exception is Java.lang.ClassNotFoundException:org.apache.commons.dbcp.BasicDataSource
At Org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass (abstractbeanfactory.java:1352 )
At Org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean ( abstractautowirecapablebeanfactory.java:455)
At Org.springframework.beans.factory.support.abstractbeanfactory$1.getobject (abstractbeanfactory.java:306)
At Org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton ( defaultsingletonbeanregistry.java:230)
At Org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean (abstractbeanfactory.java:302)
At Org.springframework.beans.factory.support.AbstractBeanFactory.getBean (abstractbeanfactory.java:202)
At Org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.autowireResource ( COMMONANNOTATIONBEANPOSTPROCESSOR.JAVA:512)
At Org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.getResource ( commonannotationbeanpostprocessor.java:486)
At Org.springframework.context.annotation.commonannotationbeanpostprocessor$resourceelement.getresourcetoinject (commonannotationbeanpostprocessor.java:615)
At Org.springframework.beans.factory.annotation.injectionmetadata$injectedelement.inject (InjectionMetadata.java : 178)
At Org.springframework.beans.factory.annotation.InjectionMetadata.inject (injectionmetadata.java:88)
At Org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessPropertyValues ( commonannotationbeanpostprocessor.java:308)
... More
caused By:java.lang.ClassNotFoundException:org.apache.commons.dbcp.BasicDataSource
At Java.net.urlclassloader$1.run (urlclassloader.java:366)
At Java.net.urlclassloader$1.run (urlclassloader.java:355)
At java.security.AccessController.doPrivileged (Native Method)
At Java.net.URLClassLoader.findClass (urlclassloader.java:354)
At Java.lang.ClassLoader.loadClass (classloader.java:423)
At Sun.misc.launcher$appclassloader.loadclass (launcher.java:308)
At Java.lang.ClassLoader.loadClass (classloader.java:356)
At Org.springframework.util.ClassUtils.forName (classutils.java:250)
At Org.springframework.beans.factory.support.AbstractBeanDefinition.resolveBeanClass ( abstractbeandefinition.java:394)
At Org.springframework.beans.factory.support.AbstractBeanFactory.doResolveBeanClass (Abstractbeanfactory.java : 1397)
At Org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass (abstractbeanfactory.java:1344 )
... More

Exception resolution:

Keyword: cannot find class [Org.apache.commons.dbcp.BasicDataSource]

The class could not be found because of the lack of commons-pool and commons-dbcp two packages, just add these two packages under the Classpath

Link

Conmons-dbcp-1.2.jar Download

Commons-pool-1.6.jar Download

Exception logging and processing-cannot find class [Org.apache.commons.dbcp.BasicDataSource]