String registrationId = generateRegistrationId(contextHandle, request.getShareName());
                response.setRegistrationId(registrationId);
                response.setContextHandle(contextHandle);

                log.debug("Witness registration successful: {}", registrationId);
            } else {
                response.setError(message.getErrorMessage());

                if (response != null && response.isSuccess()) {
                    registration.setState(WitnessRegistrationState.REGISTERED);
                    registration.setContextHandle(response.getContextHandle());
                    registrations.put(registration.getRegistrationId(), registration);
                    listeners.put(registration.getRegistrationId(), listener);

    }

    /**
     * Sets the context handle for the async notify request.
     *
     * @param contextHandle the context handle from registration
     */
    public void setContextHandle(byte[] contextHandle) {
        this.contextHandle = contextHandle != null ? contextHandle.clone() : null;
    }

    /**
     * Gets the context handle.
     *
     * @return the context handle
     */