Fail at ./build.sh in packagemanager.py's URL

[DigitalGabriele]

Hi,

I have been following your instructions, and ran:

./build.sh

I got the following output:

[+] Building 588.4s (54/54) FINISHED                             docker:default
 => [internal] load .dockerignore                                          0.0s
 => => transferring context: 2B                                            0.0s
 => [internal] load build definition from Dockerfile                       0.0s
 => => transferring dockerfile: 2.44kB                                     0.0s
 => [internal] load metadata for docker.io/library/ubuntu:jammy            1.9s
 => [internal] load build context                                          0.0s
 => => transferring context: 35B                                           0.0s
 => CACHED [ 1/49] FROM docker.io/library/ubuntu:jammy@sha256:6042500cf4b  0.0s
 => [ 2/49] RUN apt update --error-on=any && apt -y install sudo wget gn  26.3s
 => [ 3/49] RUN useradd -m -u 1000 -o -s /bin/bash holoocean               0.3s
 => [ 4/49] RUN usermod -aG sudo holoocean                                 0.2s 
 => [ 5/49] RUN echo 'holoocean ALL=(ALL) NOPASSWD:ALL' | EDITOR='tee -a'  0.2s 
 => [ 6/49] RUN export DEBIAN_FRONTEND=noninteractive                      0.2s 
 => [ 7/49] RUN ln -fs /usr/share/zoneinfo/Europe/Budapest /etc/localtime  0.3s 
 => [ 8/49] RUN apt install -y tzdata                                      4.3s 
 => [ 9/49] RUN dpkg-reconfigure --frontend noninteractive tzdata          1.4s
 => [10/49] RUN apt install build-essential -y                            23.4s 
 => [11/49] RUN apt install devscripts -y                                 61.2s 
 => [12/49] RUN apt install equivs -y                                      7.0s 
 => [13/49] RUN apt install build-essential -y                             1.4s 
 => [14/49] RUN apt install -y --no-install-recommends openssh-client gi  34.4s 
 => [15/49] RUN apt-key adv --keyserver keyserver.ubuntu.com --recv-keys   1.3s 
 => [16/49] RUN apt install -y software-properties-common                 29.1s
 => [17/49] RUN add-apt-repository universe                                3.5s
 => [18/49] RUN apt update && apt install -y curl gnupg lsb-release        6.1s
 => [19/49] RUN sh -c 'curl -sSL https://raw.githubusercontent.com/ros/ro  1.0s
 => [20/49] RUN sh -c 'echo "deb [arch=amd64 signed-by=/usr/share/keyring  0.8s
 => [21/49] RUN apt update --error-on=any                                 31.5s
 => [22/49] RUN apt dist-upgrade -y                                        1.5s
 => [23/49] RUN apt install -y ros-iron-ros-base                          89.8s
 => [24/49] RUN apt install -y ros-dev-tools                              47.0s
 => [25/49] RUN rosdep init                                                1.5s
 => [26/49] RUN rosdep update --rosdistro=iron                             8.6s
 => [27/49] RUN apt install -y iproute2                                    5.1s
 => [28/49] RUN apt install -y apt-utils debconf-utils dialog              3.5s
 => [29/49] RUN echo 'debconf debconf/frontend select Noninteractive' | d  0.5s
 => [30/49] RUN echo "resolvconf resolvconf/linkify-resolvconf boolean fa  0.4s
 => [31/49] RUN apt install -y wireguard resolvconf                       20.8s
 => [32/49] RUN apt install -y python3-pip                                 7.3s
 => [33/49] RUN apt install -y gdbserver                                   4.4s
 => [34/49] RUN apt install -y gdb                                         6.8s
 => [35/49] RUN apt install -y ros-iron-rmw-cyclonedds-cpp                 6.6s
 => [36/49] RUN apt install -y ros-iron-rclpy                              1.5s
 => [37/49] RUN apt install -y ros-iron-geometry-msgs                      1.5s
 => [38/49] RUN apt install -y ros-iron-joint-state-publisher-gui         36.0s
 => [39/49] RUN pip install setuptools==58.2.0                             3.5s
 => [40/49] RUN apt install -y python3.10-venv                             6.4s
 => [41/49] RUN apt install -y vulkan-tools                                5.4s
 => [42/49] RUN apt install -y python3-tk                                  5.2s
 => [43/49] RUN apt install -y ros-iron-rviz2                             20.7s
 => [44/49] RUN apt install -y libglm-dev                                  4.6s
 => [45/49] RUN apt install -y vim                                         7.5s
 => [46/49] RUN apt install -y ros-iron-tf2-tools                          1.6s
 => [47/49] RUN apt install -y ros-iron-tf-transformations                45.6s
 => [48/49] RUN apt install -y ros-iron-robot-state-publisher              1.5s
 => [49/49] COPY entrypoint.sh /                                           0.1s
 => exporting to image                                                     7.3s
 => => exporting layers                                                    7.3s
 => => writing image sha256:9348020f7f7b33a4628bcc9d5de0b0c9ece8d6134d298  0.0s
 => => naming to docker.io/library/holoocean_base_image_iron:latest        0.0s
UID changed to: 1000
User name changed to: gabriele
Requirement already satisfied: holoocean in ./holooceanvenv/lib/python3.10/site-packages (0.5.0)
Requirement already satisfied: posix-ipc>=1.0.0 in ./holooceanvenv/lib/python3.10/site-packages (from holoocean) (1.1.1)
Requirement already satisfied: numpy in ./holooceanvenv/lib/python3.10/site-packages (from holoocean) (1.26.2)
Requirement already satisfied: pynput in ./holooceanvenv/lib/python3.10/site-packages (1.7.6)
Requirement already satisfied: evdev>=1.3 in ./holooceanvenv/lib/python3.10/site-packages (from pynput) (1.6.1)
Requirement already satisfied: six in ./holooceanvenv/lib/python3.10/site-packages (from pynput) (1.16.0)
Requirement already satisfied: python-xlib>=0.17 in ./holooceanvenv/lib/python3.10/site-packages (from pynput) (0.33)
Requirement already satisfied: pyaml in ./holooceanvenv/lib/python3.10/site-packages (23.12.0)
Requirement already satisfied: PyYAML in ./holooceanvenv/lib/python3.10/site-packages (from pyaml) (6.0.1)
Unable to communicate with backend (0.5.0/available), [Errno 110] Connection timed out
Traceback (most recent call last):
  File "/usr/lib/python3.10/urllib/request.py", line 1348, in do_open
    h.request(req.get_method(), req.selector, req.data, headers,
  File "/usr/lib/python3.10/http/client.py", line 1283, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "/usr/lib/python3.10/http/client.py", line 1329, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "/usr/lib/python3.10/http/client.py", line 1278, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "/usr/lib/python3.10/http/client.py", line 1038, in _send_output
    self.send(msg)
  File "/usr/lib/python3.10/http/client.py", line 976, in send
    self.connect()
  File "/usr/lib/python3.10/http/client.py", line 1448, in connect
    super().connect()
  File "/usr/lib/python3.10/http/client.py", line 942, in connect
    self.sock = self._create_connection(
  File "/usr/lib/python3.10/socket.py", line 845, in create_connection
    raise err
  File "/usr/lib/python3.10/socket.py", line 833, in create_connection
    sock.connect(sa)
TimeoutError: [Errno 110] Connection timed out

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/holoocean/holooceanvenv/lib/python3.10/site-packages/holoocean/packagemanager.py", line 196, in install
    packages = available_packages()
  File "/holoocean/holooceanvenv/lib/python3.10/site-packages/holoocean/packagemanager.py", line 45, in available_packages
    index = _get_from_backend(url)
  File "/holoocean/holooceanvenv/lib/python3.10/site-packages/holoocean/packagemanager.py", line 31, in _get_from_backend
    req = urllib.request.urlopen(BACKEND_URL + rel_url)
  File "/usr/lib/python3.10/urllib/request.py", line 216, in urlopen
    return opener.open(url, data, timeout)
  File "/usr/lib/python3.10/urllib/request.py", line 519, in open
    response = self._open(req, data)
  File "/usr/lib/python3.10/urllib/request.py", line 536, in _open
    result = self._call_chain(self.handle_open, protocol, protocol +
  File "/usr/lib/python3.10/urllib/request.py", line 496, in _call_chain
    result = func(*args)
  File "/usr/lib/python3.10/urllib/request.py", line 1391, in https_open
    return self.do_open(http.client.HTTPSConnection, req,
  File "/usr/lib/python3.10/urllib/request.py", line 1351, in do_open
    raise URLError(err)
urllib.error.URLError: <urlopen error [Errno 110] Connection timed out>

I went into the packagemanager.py and checked for BACKENED_URL which is https://robots.et.byu.edu/holo/.
It does not open in a browser and nothing comes from trying to 'curl' it.