Org.hibernate.service.classloading.spi.ClassLoadingException:Specified JDBC Driver Com.mysql.jdbc.Driver class not Found

Today, when using hibernate to build a development environment, there is an incredible problem:

1Org.hibernate.service.classloading.spi.ClassLoadingException:Specified JDBC Driver Com.mysql.jdbc.DriverclassNot found2At Org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl.configure ( drivermanagerconnectionproviderimpl.java:107)3At Org.hibernate.service.internal.StandardServiceRegistryImpl.configureService (Standardserviceregistryimpl.java : 75)4At Org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService ( abstractserviceregistryimpl.java:159)5At Org.hibernate.service.internal.AbstractServiceRegistryImpl.getService (abstractserviceregistryimpl.java:131)6At Org.hibernate.engine.jdbc.internal.JdbcServicesImpl.buildJdbcConnectionAccess (jdbcservicesimpl.java:223)7At Org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure (jdbcservicesimpl.java:89)8At Org.hibernate.service.internal.StandardServiceRegistryImpl.configureService (Standardserviceregistryimpl.java : 75)9At Org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService ( abstractserviceregistryimpl.java:159)TenAt Org.hibernate.service.internal.AbstractServiceRegistryImpl.getService (abstractserviceregistryimpl.java:131) OneAt Org.hibernate.cfg.SettingsFactory.buildSettings (settingsfactory.java:71) AAt Org.hibernate.cfg.Configuration.buildSettingsInternal (configuration.java:2277) -At Org.hibernate.cfg.Configuration.buildSettings (configuration.java:2273) -At Org.hibernate.cfg.Configuration.buildSessionFactory (configuration.java:1742) theAt Com.hibtest.entity.TestUsers.testShemaExport (testusers.java:23) - 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:45) +At Org.junit.internal.runners.model.ReflectiveCallable.run (reflectivecallable.java:15) AAt Org.junit.runners.model.FrameworkMethod.invokeExplosively (frameworkmethod.java:42) atAt 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) inAt Org.junit.runners.ParentRunner.runChildren (parentrunner.java:229) -At org.junit.runners.parentrunner.access$000 (parentrunner.java:50) toAt 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) theAt 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)Panax NotoginsengAt Org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run (remotetestrunner.java:390) -At Org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main (remotetestrunner.java:197) thecaused By:org.hibernate.service.classloading.spi.ClassLoadingException:Unable to loadclass[Com.mysql.jdbc.Driver] +At Org.hibernate.service.classloading.internal.ClassLoaderServiceImpl.classForName (Classloaderserviceimpl.java : 141) AAt Org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl.configure ( drivermanagerconnectionproviderimpl.java:104) the... 36 More +caused by:java.lang.ClassNotFoundException:Could not load requestedclass: Com.mysql.jdbc.Driver -At Org.hibernate.service.classloading.internal.classloaderserviceimpl$1.findclass (ClassLoaderServiceImpl.java : 99) $At Java.lang.ClassLoader.loadClass (classloader.java:306) $At Java.lang.ClassLoader.loadClass (classloader.java:247) - At JAVA.LANG.CLASS.FORNAME0 (Native Method) -At Java.lang.Class.forName (class.java:247) theAt Org.hibernate.service.classloading.internal.ClassLoaderServiceImpl.classForName (Classloaderserviceimpl.java : 138) -... Panax Notoginseng More

1, my jar package has:

　　　　

2, the previously used database connection driver package is:

　　　　

3, Summary:

In summary, this problem is generally caused by problems with the imported database connection jar package, possible versions, or other reasons. So the solution is to try another version of the jar package.

　　　　

Org.hibernate.service.classloading.spi.ClassLoadingException:Specified JDBC Driver Com.mysql.jdbc.Driver class not Found