org.apache.nutch.protocol.httpclient

## Class HttpAuthenticationException

- java.lang.Object
- - java.lang.Throwable
  - - java.lang.Exception
    - - org.apache.nutch.protocol.httpclient.HttpAuthenticationException

- All Implemented Interfaces:
    java.io.Serializable

      public class HttpAuthenticationException
      extends java.lang.Exception

  Can be used to identify problems during creation of Authentication objects. In the future it may be used as a method of collecting authentication failures during Http protocol transfer in order to present the user with credentials required during a future fetch.
  Author:
    Matt Tencati
  See Also:
    Serialized Form

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `HttpAuthenticationException()` Constructs a new exception with null as its detail message.
    `HttpAuthenticationException(java.lang.String message)` Constructs a new exception with the specified detail message.
    `HttpAuthenticationException(java.lang.String message, java.lang.Throwable cause)` Constructs a new exception with the specified message and cause.
    `HttpAuthenticationException(java.lang.Throwable cause)` Constructs a new exception with the specified cause and detail message from given clause if it is not null.

  - ### 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 Detail

    - #### HttpAuthenticationException

          public HttpAuthenticationException()

      Constructs a new exception with null as its detail message.

    - #### HttpAuthenticationException

          public HttpAuthenticationException(java.lang.String message)

      Constructs a new exception with the specified detail message.
      Parameters:
        `message` - the detail message. The detail message is saved for later retrieval by the `Throwable.getMessage()` method.

    - #### HttpAuthenticationException

          public HttpAuthenticationException(java.lang.String message,
                                             java.lang.Throwable cause)

      Constructs a new exception with the specified message and cause.
      Parameters:
        `message` - the detail message. The detail message is saved for later retrieval by the `Throwable.getMessage()` method.
        `cause` - the cause (use `Throwable.getCause()` to retrieve the cause)

    - #### HttpAuthenticationException

          public HttpAuthenticationException(java.lang.Throwable cause)

      Constructs a new exception with the specified cause and detail message from given clause if it is not null.
      Parameters:
        `cause` - the cause (use `Throwable.getCause()` to retrieve the cause)

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