public class ClassNotFoundException extends ReflectiveOperationException
forNamemethod in class
findSystemClassmethod in class
loadClassmethod in class
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
as well as the aforementioned "legacy method."
Class.forName(java.lang.String), Serialized Form
|Constructor and Description|
|Modifier and Type||Method and Description|
Returns the cause of this exception (the exception that was raised if an error occurred while attempting to load the class; otherwise null).
Returns the exception that was raised if an error occurred while attempting to load the class.
addSuppressed, fillInStackTrace, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, toString
ClassNotFoundExceptionwith no detail message.
public ClassNotFoundException(String s)
ClassNotFoundExceptionwith the specified detail message.
s- the detail message.
public ClassNotFoundException(String s, Throwable ex)
ClassNotFoundExceptionwith the specified detail message and optional exception that was raised while loading the class.
s- the detail message
ex- the exception that was raised while loading the class
@Nullable public Throwable getCause()
@Nullable public Throwable getException()
This method predates the general-purpose exception chaining facility. The
Throwable.getCause() method is now the preferred means of obtaining this information.
Exceptionthat was raised while loading a class