java.net
Class UnknownHostException
java.lang.Object
java.lang.Throwable
java.lang.Exception
java.io.IOException
java.net.UnknownHostException
- All Implemented Interfaces:
- Serializable
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.
- See Also:
- Serialized Form
Constructor Summary |
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. |
Methods inherited from class java.lang.Throwable |
fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString |
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