28.20 java.net.UnknownHostException (JDK 1.0)

Signals that the name of a specified host could not be resolved.

public class UnknownHostException extends IOException {
    // Public Constructors
            public UnknownHostException(String host);
            public UnknownHostException();
}

Hierarchy:

Object->Throwable(Serializable)->Exception->IOException->UnknownHostException

Thrown By:

InetAddress.getAllByName(), InetAddress.getByName(), InetAddress.getLocalHost(), Socket()