# Class ParameterNotFoundException

Object
Throwable
Exception
RuntimeException
IllegalArgumentException
ParameterNotFoundException

All Implemented Interfaces:
  `Serializable`

public class ParameterNotFoundException extends IllegalArgumentException
Thrown by `ParameterValueGroup` and `ParameterDescriptorGroup` when a parameter is requested but not found in that group.

Since:
  1.0
See Also:
  - `ParameterValueGroup​.parameter(String)`
  - `ParameterDescriptorGroup​.descriptor(String)`
  - Serialized Form

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `ParameterNotFoundException(String message, String parameterName)`
  Creates an exception with the specified message and parameter name.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `String`
  `getParameterName()`
  Returns the name of the parameter which was required but not found.

  ### Methods inherited from class Throwable

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

  ### Methods inherited from class Object

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

- ## Constructor Details

  - ### ParameterNotFoundException

    public ParameterNotFoundException(String message, String parameterName)
    Creates an exception with the specified message and parameter name.
    Parameters:
      `message` - The detail message. The detail message is saved for later retrieval by the `Throwable​.getMessage()` method.
      `parameterName` - The name of the parameter which was required but not found.

- ## Method Details

  - ### getParameterName

    public String getParameterName()
    Returns the name of the parameter which was required but not found.
    Returns:
      The required parameter name.