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| Chapter 15 The java.net Package |

# NoRouteToHostException

## Name

NoRouteToHostException

## Synopsis

Class Name:

  `java.net.NoRouteToHostException`

Superclass:

  `java.net.SocketException`

Immediate Subclasses:

  None

Interfaces Implemented:

  None

Availability:

  New as of JDK 1.1

## Description

A `NoRouteToHostException` is thrown when a socket connection cannot be established with a remote host. This type of exception usually indicates that a firewall is blocking access to the host, or that an intermediate router is down.

## Class Summary

    public class java.net.NoRouteToHostException
                 extends java.net.SocketException {
      // Constructors
      public NoRouteToHostException();
      public NoRouteToHostException(String msg);
    }

## Constructors

### NoRouteToHostException

#### public NoRouteToHostException()

Description

  This constructor `create`s a `NoRouteToHostException` with no associated detail message.

#### public NoRouteToHostException(String msg)

Parameters

  `msg`

    The detail message.

Description

  This constructor creates a `NoRouteToHostException` with the specified detail message.

## Inherited Methods

Method | Inherited From | Method | Inherited From
--- | --- | --- | ---
`clone()` | `Object` | `equals(Object)` | `Object`
`fillInStackTrace()` | `Throwable` | `finalize()` | `Object`
`getClass()` | `Object` | `getLocalizedMessage()` | `Throwable`
`getMessage()` | `Throwable` | `hashCode()` | `Object`
`notify()` | `Object` | `notifyAll()` | `Object`
`printStackTrace()` | `Throwable` | `printStackTrace(PrintStream)` | `Throwable`
`printStackTrace(PrintWriter)` | `Throwable` | `toString()` | `Throwable`
`wait()` | `Object` | `wait(long)` | `Object`
`wait(long, int)` | `Object` |  |

## See Also

`Exception`, `IOException`, `RuntimeException`, `SocketException`

MulticastSocket |  | ProtocolException