getLogger().error( "failed to unbind listener from " + a_listener + " encountered exception: " + a_failure.getMessage() ) ;
if ( getLogger().isErrorEnabled() ) { getLogger().error( "failed to unbind listener from " + a_listener + " encountered exception: " + a_failure.getMessage() ) ; }
    public void failedToUnbind( ServerListener a_listener,                                 IOException a_failure )    {        getLogger().error( "failed to unbind listener from " + a_listener             + " encountered exception: " + a_failure.getMessage() ) ;    }