Class NoClassDefFoundError

java.lang.NoClassDefFoundError

All Implemented Interfaces:: Serializable

public class NoClassDefFoundError extends LinkageError

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.

Since:

1.0

See Also:

Constructor Summary

Constructor	Description
`NoClassDefFoundError()`	Constructs a `NoClassDefFoundError` with no detail message.
`NoClassDefFoundError(String s)`	Constructs a `NoClassDefFoundError` with the specified detail message.

Method Summary

Methods declared in class Throwable

addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Methods declared in class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

NoClassDefFoundError

public NoClassDefFoundError()

Constructs a NoClassDefFoundError with no detail message.

NoClassDefFoundError

public NoClassDefFoundError(String s)

Constructs a NoClassDefFoundError with the specified detail message.

Parameters:: s - the detail message.

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https://docs.oracle.com/en/java/javase/25/docs/api/java.base/java/lang/NoClassDefFoundError.html