Try to execute the program once again, it should work properly.Navigate into the location of the mysql-connector-java-5.1.24-bin.jar JAR file.The forName() method will load the class from the fully qualified class name specified as an argument. Right-Click on the eclipse project that uses the JPA. If the MySQL JDBC driver jar is available in the class path and the driver class is unable to load, the driver class must be loaded in the java using class.forName() method.Assume everything is stored in the c: est folder, run it again with this -cp option.

In case you are using a MySQL database, then you should add mysql-connector-java-5.1.24-bin.jar into your classpath. To run it with java command, we need to load the MySQL JDBC driver manually. It will not be added by default, you have to add it by yourself. The main cause of this exception is because the driver of the database is missed from your eclipse project’s classpath. DatabaseExceptionĪt .nfigurationErrorClassNotFoundĪt .DefaultConnector.loadDriverClass(DefaultConnector.java:267)Īt .nnect(DefaultConnector.java:85)Īt .nnectToDatasource(DatasourceLogin.java:162)Īt .Īt .Īt. Class not found.Įxception in thread 'main' : Exception (Eclipse Persistence Services – 2.5.1.v20130918-f2b9fc5): .DatabaseExceptionĪt .Īt .Īt .jpa.EntityManagerFactoryDelegate.ĬreateEntityManagerImpl(EntityManagerFactoryDelegate.java:304)Īt .Īt .Īt .main(JPAImpl.java:9)Ĭaused by: Exception (Eclipse Persistence Services – 2.5.1.v20130918-f2b9fc5): If you have created your database connection and ping it successfully as already made in the article EclipseLink – JPA installation, there are no promises for your project to work. And once you have executed your application you’ve got the exception:Įxception Description: Configuration error.This post will cover a proper way to avoid such that exception can be thrown when a Database Driver is not deducted from the classpath.

The major important issue needs to take care of while development of a project using a JPA, is a database driver that can help the JPA communicates with the suggested database. The EclipseLink – JPA API is persistence service that provided a standard way to communicate with the database.

Com mysql jdbc driver class not found