org.firebirdsql.gds.ng.listeners

## Interface ExceptionListener

- All Known Subinterfaces:
    ExceptionListener
  All Known Implementing Classes:
    ExceptionListenerDispatcher, FBManagedConnection

      public interface ExceptionListener

  Listener for notifications of SQL Exceptions that occurred in the object listened on.

  The primary use case of this interface is to bridge the gap between the JCA managed connection or connection pools that need to detect fatal errors. In the implementation only the methods defined in the various `Fb*` interfaces in `org.firebirdsql.gds.ng` are required to notify the listeners.

  Listeners registered on a `FbDatabase` or `FbService` will also be notified of errors occurring in subordinate objects (eg statements).

  It is possible that a single exception is notified multiple times. Listeners should be prepared to handle this appropriately.

  Since:
    3.0
  Author:
    Mark Rotteveel

- - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `errorOccurred(java.lang.Object source, java.sql.SQLException ex)` Notify about a SQLException

- - ### Method Detail

    - #### errorOccurred

          void errorOccurred(java.lang.Object source,
                           java.sql.SQLException ex)

      Notify about a SQLException
      Parameters:
        `source` - The source of the event; note for caller: this should be the object this listener is registered at.
        `ex` - error that occurred.

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