org.springframework.web.bind

## Class MissingRequestHeaderException

- java.lang.Object
- - java.lang.Throwable
  - - java.lang.Exception
    - - javax.servlet.ServletException
      - - org.springframework.web.util.NestedServletException
        - - org.springframework.web.bind.ServletRequestBindingException
          - - org.springframework.web.bind.MissingRequestValueException
            - - org.springframework.web.bind.MissingRequestHeaderException

- All Implemented Interfaces:
    Serializable

      public class MissingRequestHeaderException
      extends MissingRequestValueException

  `ServletRequestBindingException` subclass that indicates that a request header expected in the method parameters of an `@RequestMapping` method is not present.
  Since:
    5.1
  Author:
    Juergen Hoeller
  See Also:
    `MissingRequestCookieException`, Serialized Form

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `MissingRequestHeaderException(String headerName, MethodParameter parameter)` Constructor for MissingRequestHeaderException.
    `MissingRequestHeaderException(String headerName, MethodParameter parameter, boolean missingAfterConversion)` Constructor for use when a value was present but converted to `null`.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `String` | `getHeaderName()` Return the expected name of the request header.
    `String` | `getMessage()` Return the detail message, including the message from the nested exception if there is one.
    `MethodParameter` | `getParameter()` Return the method parameter bound to the request header.

    - ### Methods inherited from class org.springframework.web.bind.MissingRequestValueException

      `isMissingAfterConversion`

    - ### Methods inherited from class javax.servlet.ServletException

      `getRootCause`

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

      `addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, 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

    - #### MissingRequestHeaderException

          public MissingRequestHeaderException(String headerName,
                                               MethodParameter parameter)

      Constructor for MissingRequestHeaderException.
      Parameters:
        `headerName` - the name of the missing request header
        `parameter` - the method parameter

    - #### MissingRequestHeaderException

          public MissingRequestHeaderException(String headerName,
                                               MethodParameter parameter,
                                               boolean missingAfterConversion)

      Constructor for use when a value was present but converted to `null`.
      Parameters:
        `headerName` - the name of the missing request header
        `parameter` - the method parameter
        `missingAfterConversion` - whether the value became null after conversion
      Since:
        5.3.6

  - ### Method Detail

    - #### getMessage

          public String getMessage()

      Description copied from class: `NestedServletException`
      Return the detail message, including the message from the nested exception if there is one.
      Overrides:
        `getMessage` in class `NestedServletException`

    - #### getHeaderName

          public final String getHeaderName()

      Return the expected name of the request header.

    - #### getParameter

          public final MethodParameter getParameter()

      Return the method parameter bound to the request header.