ClassNotFoundException

public class ClassNotFoundException extends ReflectiveOperationException

Thrown when an application tries to load in a class through its string name using:

  • The forName method in class Class.
  • The findSystemClass method in class ClassLoader .
  • The loadClass method in class ClassLoader.

but no definition for the class with the specified name could be found.

As of release 1.4, this exception has been retrofitted to conform to the general purpose exception-chaining mechanism. The "optional exception that was raised while loading the class" that may be provided at construction time and accessed via the getException() method is now known as the cause, and may be accessed via the getCause() method, as well as the aforementioned "legacy method."

Public Constructor Summary

ClassNotFoundException()
Constructs a ClassNotFoundException with no detail message.
ClassNotFoundException(String s)
Constructs a ClassNotFoundException with the specified detail message.
ClassNotFoundException(String s, Throwable ex)
Constructs a ClassNotFoundException with the specified detail message and optional exception that was raised while loading the class.

Public Method Summary

Throwable
getCause()
Returns the cause of this exception (the exception that was raised if an error occurred while attempting to load the class; otherwise null).
Throwable
getException()
Returns the exception that was raised if an error occurred while attempting to load the class.

Inherited Method Summary

Public Constructors

public ClassNotFoundException ()

Constructs a ClassNotFoundException with no detail message.

public ClassNotFoundException (String s)

Constructs a ClassNotFoundException with the specified detail message.

Parameters
s the detail message.

public ClassNotFoundException (String s, Throwable ex)

Constructs a ClassNotFoundException with the specified detail message and optional exception that was raised while loading the class.

Parameters
s the detail message
ex the exception that was raised while loading the class

Public Methods

public Throwable getCause ()