java.net

Class UnknownHostException

java.lang.Object

java.lang.Throwable

java.lang.Exception

java.io.IOException

java.net.UnknownHostException

public class UnknownHostException
extends IOException

This exception indicates that an attempt was made to reference a hostname or IP address that is not valid. This could possibly indicate that a DNS problem has occurred, but most often means that the host was not correctly specified.

Author:

Aaron M. Renn (arenn@urbanophile.com), Per Bothner

Constructor Summary

Constructors

Constructor and Description
UnknownHostException() Create a new instance without a descriptive error message.
UnknownHostException(String message) Create a new instance with a descriptive error message, such as the name of the host that could not be resolved.

Method Summary

Methods inherited from class java.lang.Throwable

addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, initCause, printStackTrace, printStackTrace, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

UnknownHostException

public UnknownHostException()

Create a new instance without a descriptive error message.

UnknownHostException

public UnknownHostException(String message)

Create a new instance with a descriptive error message, such as the name of the host that could not be resolved.

Parameters:

message - a message describing the error that occurred