What is class not found exception in Java?

What is class not found exception in Java?

ClassNotFoundException is a checked exception in Java that occurs when the JVM tries to load a particular class but does not find it in the classpath.

How do I fix Java Lang ClassNotFoundException com mysql JDBC driver?

Fixing java. lang. ClassNotFoundException: com. mysql. jdbc. Driver in Java and Eclipse

1. Right click on your project.
2. Choose Build Path and choose configure build path option.
3. Choose Add External JARs option.
4. Find and add mysql-connector-java-5.1. 25-bin. jar into Eclipse’s classpath.

Where do I paste JDBC driver?

Copy the JDBC . jar file you downloaded to the system-wide Java Extensions folder (C:\Windows\Sun\Java). Add the directory containing the JDBC . jar file to the CLASSPATH environment variable (see Modifying the Java CLASSPATH).

What is use of forName () method?

forName(String name, boolean initialize, ClassLoader loader) method returns the Class object associated with the class or interface with the given string name, using the given class loader. The specified class loader is used to load the class or interface.

Why class not found exception is checked exception?

ClassNotFoundException is a checked exception which occurs when an application tries to load a class through its fully-qualified name and can not find its definition on the classpath. This occurs mainly when trying to load classes using Class. forName(), ClassLoader. loadClass() or ClassLoader.

What is the error Java Lang ClassNotFoundException com mysql JDBC driver?

If you got the error in your IDE(compile-time error), you need to add your mysql-connector jar file to your libs and add this to your referenced library of project too. If you get this error when you are running it, then probably its because you have not included mysql-connector JAR file to your webserver’s lib folder.

Where is mysql JDBC driver located?

Installing the JDBC Driver for MySQL Databases Locate the mysql-connector-java–bin. jar file among the files that were installed. For example, on Windows: C:\Program Files (x86)\MySQL\MySQL Connector J\mysql-connector-java-5.1. 30-bin.

What are the different types of exceptions and errors in JDBC?

Exceptions in Java can be handled using the try: catch block. SQLException is the checked exception so we can handle it using try: catch block. We have some subclasses of SQLException. They are SQLNonTransientException, SQLTransientException, SQLRecoverableException, BatchUpdateException and SQLClientInfoException.