org.springframework.dao

## Class DuplicateKeyException

- java.lang.Object
- - java.lang.Throwable
  - - java.lang.Exception
    - - java.lang.RuntimeException
      - - org.springframework.core.NestedRuntimeException
        - - org.springframework.dao.DataAccessException
          - - org.springframework.dao.NonTransientDataAccessException
            - - org.springframework.dao.DataIntegrityViolationException
              - - org.springframework.dao.DuplicateKeyException

- All Implemented Interfaces:
    Serializable

      public class DuplicateKeyException
      extends DataIntegrityViolationException

  Exception thrown when an attempt to insert or update data results in violation of an primary key or unique constraint. Note that this is not necessarily a purely relational concept; unique primary keys are required by most database types.
  Author:
    Thomas Risberg
  See Also:
    Serialized Form

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `DuplicateKeyException(String msg)` Constructor for DuplicateKeyException.
    `DuplicateKeyException(String msg, Throwable cause)` Constructor for DuplicateKeyException.

  - ### Method Summary

    - ### Methods inherited from class org.springframework.core.NestedRuntimeException

      `contains, getMessage, getMostSpecificCause, 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

    - #### DuplicateKeyException

          public DuplicateKeyException(String msg)

      Constructor for DuplicateKeyException.
      Parameters:
        `msg` - the detail message

    - #### DuplicateKeyException

          public DuplicateKeyException(String msg,
                               Throwable cause)

      Constructor for DuplicateKeyException.
      Parameters:
        `msg` - the detail message
        `cause` - the root cause from the data access API in use