# Class UserPrincipalNotFoundException

java.lang.Object
java.lang.Throwable
java.lang.Exception
java.io.IOException
java.nio.file.attribute.UserPrincipalNotFoundException

All Implemented Interfaces:
  `Serializable`

public class UserPrincipalNotFoundException extends IOException
Checked exception thrown when a lookup of `UserPrincipal` fails because the principal does not exist.

Since:
  1.7
See Also:
  - Serialized Form

## Constructor Summary

Constructors
Constructor
Description
`UserPrincipalNotFoundException(String name)`
Constructs an instance of this class.

## Method Summary

Modifier and Type
Method
Description
`String`
`getName()`
Returns the user principal name if this exception was created with the user principal name that was not found, otherwise `null`.

### Methods declared in class Throwable

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

### Methods declared in class Object

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

## Constructor Details

### UserPrincipalNotFoundException

public UserPrincipalNotFoundException(String name)
Constructs an instance of this class.

Parameters:
  `name` - the principal name; may be `null`

## Method Details

### getName

public String getName()
Returns the user principal name if this exception was created with the user principal name that was not found, otherwise `null`.

Returns:
  the user principal name or `null`