SwallowedExceptionListener (Apache Tomcat 9.0.111 API Documentation)
Description: declaration: package: org.apache.tomcat.dbcp.pool2, interface: SwallowedExceptionListener

# Interface SwallowedExceptionListener

All Known Implementing Classes:
  `SwallowedExceptionLogger`

public interface SwallowedExceptionListener
Pools that unavoidably swallow exceptions may be configured with an instance of this listener so the user may receive notification of when this happens. The listener should not throw an exception when called but pools calling listeners should protect themselves against exceptions anyway.

Since:
  2.0

- ## Method Summary

  Modifier and Type
  Method
  Description
  `void`
  `onSwallowException(Exception e)`
  Notifies this instance every time the implementation unavoidably swallows an exception.

- ## Method Details

  - ### onSwallowException

    void onSwallowException(Exception e)
    Notifies this instance every time the implementation unavoidably swallows an exception.
    Parameters:
      `e` - The exception that was swallowed