//....
        switch ( (int) res.getStatus() ) {
        case 201: { // success
            cout << "DEVICE CREATED - The request has succeeded and returned new entity." << endl;
            send_message("DEVICE CREATED - The request has succeeded and returned new entity.", "cloud/debug");

            DeviceCreateResponse server_response;
            server_response.ParseFromString(content);
            string server_token = server_response.accesstoken();
            string server_endpoint = server_response.endpoint();

            string reply_info = "SERVER REPLY: TOKEN= ";
            reply_info.append(server_token);
            reply_info.append(" ENDPOINT=");
            reply_info.append(server_endpoint);
            reply_info.append("\n");

            cout << reply_info << endl;

            fbb.Clear();
            CloudConfigBuilder ccb(fbb);
            ccb.add_token(fbb.CreateString(server_token));
            ccb.add_endpoint(fbb.CreateString(server_endpoint));
            auto mloc = ccb.Finish();
            FinishCloudConfigBuffer(fbb, mloc);
            sendBuffer((const char *)fbb.GetBufferPointer(),fbb.GetSize(), "persistence/save_cloud_config");

            cout << "DEVICE CREATED - end" << endl;

            return 1;
            break;
        }
//...

    } catch(Poco::Exception &e) {
        cerr << "Exception: " << e.what() << endl;
        cerr << e.displayText() << endl;
    }
    return 0;
}



ang-cloud-connector: /usr/local/include/flatbuffers/flatbuffers.h:636: void flatbuffers::FlatBufferBuilder::NotNested(): Assertion `!offsetbuf_.size()' failed.
==14042==
==14042== Process terminating with default action of signal 6 (SIGABRT)
==14042==    at 0x6264267: raise (raise.c:55)
==14042==    by 0x6265EC9: abort (abort.c:89)
==14042==    by 0x625D03C: __assert_fail_base (assert.c:92)
==14042==    by 0x625D0F1: __assert_fail (assert.c:101)
==14042==    by 0x413755: flatbuffers::FlatBufferBuilder::CreateString(char const*, unsigned long) (flatbuffers.h:636)
==14042==    by 0x40F990: CloudConnector::register_new_device(char const*, char const*, char const*) (flatbuffers.h:744)
==14042==    by 0x4122CE: CloudConnector::onMessageThread(mosquitto_message*) (CloudMosquitto.cpp:306)
==14042==    by 0x5D4F02F: ??? (in /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.21)
==14042==    by 0x5A7F6A9: start_thread (pthread_create.c:333)
==14042==    by 0x6335EEC: clone (clone.S:109)
==14042==
==14042== Events    : Ir
==14042== Collected : 14792136
==14042==
==14042== I   refs:      14,792,136
Zabit (SIGKILL)