PortUnreachableException (Java SE 21 & JDK 21)
Description: declaration: module: java.base, package: java.net, class: PortUnreachableException
Keywords: java.net.PortUnreachableException class

Module java.base
Package java.net

# Class PortUnreachableException

java.lang.Object
java.lang.Throwable
java.lang.Exception
java.io.IOException
java.net.SocketException
java.net.PortUnreachableException

All Implemented Interfaces:
  `Serializable`

public class PortUnreachableException extends SocketException
Signals that an ICMP Port Unreachable message has been received on a connected datagram.

Since:
  1.4
See Also:
  - Serialized Form

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `PortUnreachableException()`
  Construct a new `PortUnreachableException` with no detailed message.
  `PortUnreachableException(String msg)`
  Constructs a new `PortUnreachableException` with a detail message.

- ## Method Summary

  ### Methods declared in class java.lang.Throwable

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

  ### Methods declared in class java.lang.Object

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

- ## Constructor Details

  - ### PortUnreachableException

    public PortUnreachableException(String msg)
    Constructs a new `PortUnreachableException` with a detail message.
    Parameters:
      `msg` - the detail message

  - ### PortUnreachableException

    public PortUnreachableException()
    Construct a new `PortUnreachableException` with no detailed message.