public BackgroundException map(final IOException failure, final Path directory) {
        return super.map("Connection failed", failure, directory);
    }
@Test
    public void testPeerShutDownIncorrectly() {
        final DefaultIOExceptionMappingService s = new DefaultIOExceptionMappingService();
        final SSLHandshakeException failure = new SSLHandshakeException("Remote host closed connection during handshake");
        failure.initCause(new EOFException("SSL peer shut down incorrectly"));
        assertEquals(ConnectionRefusedException.class, s.map(failure).getClass());
    }