Package org.apache.commons.net.ftp

# Class FTPConnectionClosedException

java.lang.Object
java.lang.Throwable
java.lang.Exception
java.io.IOException
org.apache.commons.net.ftp.FTPConnectionClosedException

All Implemented Interfaces:
  `Serializable`

public class FTPConnectionClosedException extends IOException
FTPConnectionClosedException is used to indicate the premature or unexpected closing of an FTP connection resulting from a `FTPReply.SERVICE_NOT_AVAILABLE` response (FTP reply code 421) to a failed FTP command. This exception is derived from IOException and therefore may be caught either as an IOException or specifically as an FTPConnectionClosedException.

See Also:
  - `FTP`
  - `FTPClient`
  - Serialized Form

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `FTPConnectionClosedException()`
  Constructs a FTPConnectionClosedException with no message
  `FTPConnectionClosedException(String message)`
  Constructs a FTPConnectionClosedException with a specified message.

- ## Method Summary

  ### Methods inherited from class java.lang.Throwable

  `addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString`

  ### Methods inherited from class java.lang.Object

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

- ## Constructor Details

  - ### FTPConnectionClosedException

    public FTPConnectionClosedException()
    Constructs a FTPConnectionClosedException with no message

  - ### FTPConnectionClosedException

    public FTPConnectionClosedException(String message)
    Constructs a FTPConnectionClosedException with a specified message.
    Parameters:
      `message` - The message explaining the reason for the exception.