Path handleFile = stateDirectory.resolve(info.createGuid.toString() + ".handle");
        try (ObjectOutputStream oos = new ObjectOutputStream(
                Files.newOutputStream(handleFile))) {
            oos.writeObject(info);
        } catch (IOException e) {
            log.error("Failed to persist handle: " + info.path, e);
        }
    }
    
    private void removePersistedHandle(HandleInfo info) {

        try {
            final ByteArrayOutputStream baos = new ByteArrayOutputStream(BYTE_ARRAY_SIZE);
            final ObjectOutputStream oos = new ObjectOutputStream(baos);
            try {
                oos.writeObject(obj);
            } finally {
                oos.close();
            }
            return baos.toByteArray();
        } catch (final IOException ex) {
            throw new IORuntimeException(ex);
        }

        // Serialize the exception
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(baos);
        oos.writeObject(originalException);
        oos.close();

        // Deserialize the exception
        ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());

        try (ObjectOutputStream oos = new ObjectOutputStream(Files.newOutputStream(handleFile, StandardOpenOption.CREATE,
                StandardOpenOption.WRITE, StandardOpenOption.TRUNCATE_EXISTING))) {
            oos.writeObject(info);
            log.debug("Persisted handle: {}", info.getPath());
        } catch (IOException e) {
            log.error("Failed to persist handle: " + info.getPath(), e);
        }
    }

    }

    @Override
    public void writeExternal(final ObjectOutput s) throws IOException {
        s.writeInt(size);
        for (Entry e = header.next; e != header; e = e.next) {
            s.writeObject(e.element);
        }
    }

    @SuppressWarnings("unchecked")
    @Override
    public void readExternal(final ObjectInput s) throws IOException, ClassNotFoundException {

        try {
            final ByteArrayOutputStream bos = new ByteArrayOutputStream();
            final ASN1OutputStream dos = ASN1OutputStream.create(bos, ASN1Encoding.DER);
            dos.writeObject(new DERSequence(mechs));
            dos.close();
            return bos.toByteArray();
        } catch (final IOException e) {
            throw new CIFSException("Failed to encode mechList", e);
        }
    }

        // When - Serialize
        java.io.ByteArrayOutputStream baos = new java.io.ByteArrayOutputStream();
        java.io.ObjectOutputStream oos = new java.io.ObjectOutputStream(baos);
        oos.writeObject(exception);
        oos.close();

        // And deserialize
        java.io.ByteArrayInputStream bais = new java.io.ByteArrayInputStream(baos.toByteArray());