UnknownHostException

extends IOException

java.lang.Object
↳	java.lang.Throwable
	↳	java.lang.Exception
		↳	java.io.IOException
			↳	java.net.UnknownHostException

Class Overview

Thrown when a hostname can not be resolved.

Summary

Public Constructors
	UnknownHostException() Constructs a new `UnknownHostException` instance with no detail message.
	UnknownHostException( String detailMessage) Constructs a new `UnknownHostException` instance with the given detail message.

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Inherited Methods

From class java.lang.Throwable

Throwable	fillInStackTrace() Records the stack trace from the point where this method has been called to this `Throwable`.
Throwable	getCause() Returns the cause of this `Throwable`, or `null` if there is no cause.
String	getLocalizedMessage() Returns the extra information message which was provided when this `Throwable` was created.
String	getMessage() Returns the extra information message which was provided when this `Throwable` was created.
StackTraceElement[]	getStackTrace() Returns the array of stack trace elements of this `Throwable`.
Throwable	initCause( Throwable throwable) Initializes the cause of this `Throwable`.
void	printStackTrace( PrintWriter err) Writes a printable representation of this `Throwable`'s stack trace to the specified print writer.
void	printStackTrace( PrintStream err) Writes a printable representation of this `Throwable`'s stack trace to the specified print stream.
void	printStackTrace() Writes a printable representation of this `Throwable`'s stack trace to the `System.err` stream.
void	setStackTrace( StackTraceElement[] trace) Sets the array of stack trace elements.
String	toString() Returns a string containing a concise, human-readable description of this object.

From class java.lang.Object

Object	clone() Creates and returns a copy of this `Object`.
boolean	equals( Object o) Compares this instance with the specified object and indicates if they are equal.
void	finalize() Invoked when the garbage collector has detected that this instance is no longer reachable.
final Class<?>	getClass() Returns the unique instance of `Class` that represents this object's class.
int	hashCode() Returns an integer hash code for this object.
final void	notify() Causes a thread which is waiting on this object's monitor (by means of calling one of the `wait()` methods) to be woken up.
final void	notifyAll() Causes all threads which are waiting on this object's monitor (by means of calling one of the `wait()` methods) to be woken up.
String	toString() Returns a string containing a concise, human-readable description of this object.
final void	wait() Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object.
final void	wait(long millis, int nanos) Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object or until the specified timeout expires.
final void	wait(long millis) Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object or until the specified timeout expires.

Public Constructors

public UnknownHostException ()

Added in API level 1

Constructs a new UnknownHostException instance with no detail message. Callers should usually supply a detail message.

public UnknownHostException (String detailMessage)

Added in API level 1

Constructs a new UnknownHostException instance with the given detail message. The detail message should generally contain the hostname and a reason for the failure, if known.

Parameters

detailMessage	the detail message for this exception.

Results

Interfaces

Classes

Enums