Error: java.lang.NoClassDefFoundError

Thrown if the Java Virtual Machine or a ClassLoader instance tries to load in the definition of a class (as part of a normal method call or as part of creating a new instance using the new expression) and no definition of the class could be found.

The searched-for class definition existed when the currently executing class was compiled, but the definition can no longer be found.

Authors:
@author unascribed
Version:
@version 1.22, 12/19/03
Since:
@since JDK1.0

Inheritance

Superclass tree: Implements:

Methods

  • NoClassDefFoundErrortop

    public NoClassDefFoundError()
    Constructs a NoClassDefFoundError with no detail message.
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  • NoClassDefFoundErrortop

    public NoClassDefFoundError(String s)
    Constructs a NoClassDefFoundError with the specified detail message.
    Parameters:
    @param s the detail message.
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