java.net

Class UnknownHostException

java.lang.Object

java.lang.Throwable

java.lang.Exception

java.io.IOException

java.net.UnknownHostException

All Implemented Interfaces:

java.io.Serializable

public class UnknownHostException
extends java.io.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.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
UnknownHostException() Create a new instance without a descriptive error message.
UnknownHostException(java.lang.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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

UnknownHostException

public UnknownHostException()

Create a new instance without a descriptive error message.

UnknownHostException

public UnknownHostException(java.lang.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