Package org.apache.tomcat.dbcp.dbcp2

## Class SwallowedExceptionLogger

- java.lang.Object
- - org.apache.tomcat.dbcp.dbcp2.SwallowedExceptionLogger

- All Implemented Interfaces:
    `SwallowedExceptionListener`

      public class SwallowedExceptionLogger
      extends Object
      implements SwallowedExceptionListener

  Class for logging swallowed exceptions.
  Since:
    2.0

- - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `SwallowedExceptionLogger​(Log log)` | Create a SwallowedExceptionLogger with the given logger.
    `SwallowedExceptionLogger​(Log log, boolean logExpiredConnections)` | Create a SwallowedExceptionLogger with the given logger and expired connection logging property.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | `onSwallowException​(Exception e)` | Notifies this instance every time the implementation unavoidably swallows an exception.

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

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

- - ### Constructor Detail

    - #### SwallowedExceptionLogger

          public SwallowedExceptionLogger​(Log log)

      Create a SwallowedExceptionLogger with the given logger. By default, expired connection logging is turned on.
      Parameters:
        `log` - logger

    - #### SwallowedExceptionLogger

          public SwallowedExceptionLogger​(Log log,
                                          boolean logExpiredConnections)

      Create a SwallowedExceptionLogger with the given logger and expired connection logging property.
      Parameters:
        `log` - logger
        `logExpiredConnections` - false suppresses logging of expired connection events

  - ### Method Detail

    - #### onSwallowException

          public void onSwallowException​(Exception e)

      Description copied from interface: `SwallowedExceptionListener`
      Notifies this instance every time the implementation unavoidably swallows an exception.
      Specified by:
        `onSwallowException` in interface `SwallowedExceptionListener`
      Parameters:
        `e` - The exception that was swallowed