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.
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.