[Bug] - Error requesting screenshot from kasm (caa4ef49142f4ea096c48ed71c1adec9) with error ('bool' object has no attribute 'content') and Error calling KasmVNC

[meisbadatcoding]

Describe the bug
When I try to connect to any server, it gives me the following two issues:

Error calling KasmVNC API (get_screenshot?width=1000&height=1000) for kasm_id (caa4ef49-142f-4ea0-96c4-8ed71c1adec9) : HTTPSConnectionPool(host='192.168.12.236', port=443): Max retries exceeded with url: /api/get_screenshot?width=1000&height=1000 (Caused by NewConnectionError('<urllib3.connection.HTTPSConnection object at 0x767dddb45730>: Failed to establish a new connection: [Errno 111] Connection refused'))

and

Error requesting screenshot from kasm (caa4ef49142f4ea096c48ed71c1adec9) with error ('bool' object has no attribute 'content')

To Reproduce
Steps to reproduce the behavior:

1. Create a multipass VM on mac (It's an old Intel MacBook).
2. Install kasm
3. Create a new server without the kasm desktop service
4. Create a new workspace without kasm desktop service
5. Try to connect and see error

Expected behavior
I expect it to actually connect.

Workspaces Version
Newest one, I think 1.16

Workspaces Installation Method
Single Server

Client Browser (please complete the following information):

• OS: Windows 10
• Browser: Chrome
• Version 133

Workspace Server Information (please provide the output of the following commands):

• uname -a
  Result:

Linux ubuntu 6.8.0-49-generic #49-Ubuntu SMP PREEMPT_DYNAMIC Mon Nov  4 02:06:24 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux

• cat /etc/os-release
  Result:

PRETTY_NAME="Ubuntu 24.04.1 LTS"
NAME="Ubuntu"
VERSION_ID="24.04"
VERSION="24.04.1 LTS (Noble Numbat)"
VERSION_CODENAME=noble
ID=ubuntu
ID_LIKE=debian
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
UBUNTU_CODENAME=noble
LOGO=ubuntu-logo

• sudo docker info
  Result:

Client: Docker Engine - Community
 Version:    27.3.1
 Context:    default
 Debug Mode: false
 Plugins:
  buildx: Docker Buildx (Docker Inc.)
    Version:  v0.17.1
    Path:     /usr/libexec/docker/cli-plugins/docker-buildx
  compose: Docker Compose (Docker Inc.)
    Version:  v2.5.0
    Path:     /usr/local/lib/docker/cli-plugins/docker-compose

Server:
 Containers: 33
  Running: 11
  Paused: 0
  Stopped: 22
 Images: 20
 Server Version: 27.3.1
 Storage Driver: overlay2
  Backing Filesystem: extfs
  Supports d_type: true
  Using metacopy: false
  Native Overlay Diff: true
  userxattr: false
 Logging Driver: json-file
 Cgroup Driver: systemd
 Cgroup Version: 2
 Plugins:
  Volume: local
  Network: bridge host ipvlan kasmweb/sidecar:1.1 macvlan null overlay
  Log: awslogs fluentd gcplogs gelf journald json-file local splunk syslog
 Swarm: inactive
 Runtimes: io.containerd.runc.v2 runc
 Default Runtime: runc
 Init Binary: docker-init
 containerd version: 57f17b0a6295a39009d861b89e3b3b87b005ca27
 runc version: v1.1.14-0-g2c9f560
 init version: de40ad0
 Security Options:
  apparmor
  seccomp
   Profile: builtin
  cgroupns
 Kernel Version: 6.8.0-49-generic
 Operating System: Ubuntu 24.04.1 LTS
 OSType: linux
 Architecture: x86_64
 CPUs: 4
 Total Memory: 7.749GiB
 Name: ubuntu
 ID: 3445109c-89a8-4bac-9d42-27ff89e7eda2
 Docker Root Dir: /var/lib/docker
 Debug Mode: false
 Experimental: false
 Insecure Registries:
  127.0.0.0/8
 Live Restore Enabled: false

WARNING: bridge-nf-call-iptables is disabled
WARNING: bridge-nf-call-ip6tables is disabled

• sudo docker ps | grep kasm
  Result:

806e8bfa91c8   kasmweb/proxy:1.16.1               "/docker-entrypoint.…"   20 hours ago   Up 19 hours               80/tcp, 0.0.0.0:8443->8443/tcp, :::8443->8443/tcp                                        kasm_proxy
2a6db53bfefe   kasmweb/agent:1.16.1               "/bin/sh -c '/usr/bi…"   5 days ago     Up 19 hours (healthy)     4444/tcp                                                                                 kasm_agent
2cf69b3ed76e   kasmweb/share:1.16.1               "/bin/sh -c '/usr/bi…"   5 days ago     Up 19 hours (healthy)     8182/tcp                                                                                 kasm_share
7a72442cdcce   kasmweb/rdp-https-gateway:1.16.1   "/opt/rdpgw/rdpgw"       5 days ago     Up 5 seconds (healthy)                                                                                             kasm_rdp_https_gateway
47d3e9a48adf   kasmweb/manager:1.16.1             "/usr/bin/startup.sh…"   5 days ago     Up 19 hours (healthy)     8181/tcp                                                                                 kasm_manager
a8168e4cf3f4   kasmweb/rdp-gateway:1.16.1         "/start.sh"              5 days ago     Up 22 seconds (healthy)   0.0.0.0:3389->3389/tcp, :::3389->3389/tcp                                                kasm_rdp_gateway
3d45be50a1f7   kasmweb/kasm-guac:1.16.1           "/dockerentrypoint.sh"   5 days ago     Up 19 hours (unhealthy)                                                                                            kasm_guac
a918134300fb   redis:5-alpine                     "docker-entrypoint.s…"   5 days ago     Up 19 hours               6379/tcp                                                                                 kasm_redis
d30c6995211c   kasmweb/api:1.16.1                 "/bin/sh -c '/usr/bi…"   5 days ago     Up 19 hours (healthy)     8080/tcp                                                                                 kasm_api
60587a1ac65f   postgres:14-alpine                 "docker-entrypoint.s…"   5 days ago     Up 19 hours (healthy)     5432/tcp                                                                                 kasm_db

Additional context
It's a multipass VM on a MacBook from 2015, so the software might be a bit old.
(I closed and reopened it because the issue is back, I'm not sure how I connected last time)
I saw this reddit post but it didn't help that much: https://www.reddit.com/r/kasmweb/comments/18cqxj4/error_when_trying_to_connect_to_a_container/

[mmcclaskey]

In the steps you said you create a Server without the desktop service installed. What kind of server is it? If you are connecting to a Windows server, the desktop service is required to be installed in order for some features to work. The screenshot api call is one such feature.