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[GH-ISSUE #647] [Bug]: loading Error #421

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opened 2026-05-06 12:29:18 +02:00 by BreizhHardware · 7 comments
BreizhHardware commented 2026-05-06 12:29:18 +02:00
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Originally created by @stsffhome on GitHub (Mar 7, 2026).
Original GitHub issue: https://github.com/maziggy/bambuddy/issues/647

Originally assigned to: @maziggy on GitHub.

Bug Description

Line error when starting server ( uvicorn backend.app.main:app --host 0.0.0.0 --port 8

Bambuddy v0.2.2b2

System:
Kernel: 6.8.0-101-generic x86_64 bits: 64 compiler: N/A Desktop: Cinnamon 6.0.4 tk: GTK 3.24.33
wm: muffin vt: 7 dm: LightDM 1.30.0 Distro: Linux Mint 21.3 Virginia base: Ubuntu 22.04 jammy
Machine:

Expected Behavior

clean load

Steps to Reproduce

Run uvicorn backend.app.main:app --host 0.0.0.0 --port 8000

Printer Model

H2D

Bambuddy Version

v0.2.2b2

Printer Firmware Version

01.03.00.00 (20260303)

Installation Method

Manual (git clone)

Operating System

Linux (Ubuntu/Debian)

Relevant Logs / Support Package

2026-03-06 19:16:42,976 INFO [backend.app.api.routes.websocket] Sent initial status for 0 printers
INFO:     connection open
INFO:     127.0.0.1:48908 - "GET /api/v1/updates/version HTTP/1.1" 200 OK
INFO:     127.0.0.1:48864 - "GET /api/v1/smart-plugs/ HTTP/1.1" 200 OK
INFO:     127.0.0.1:48892 - "GET /api/v1/spoolman/status HTTP/1.1" 200 OK
2026-03-06 19:16:43,167 ERROR [backend.app.api.routes.updates] Failed to check for updates: All connection attempts failed
INFO:     127.0.0.1:48908 - "GET /api/v1/updates/check HTTP/1.1" 200 OK
INFO:     127.0.0.1:48880 - "GET /api/v1/maintenance/overview HTTP/1.1" 200 OK
INFO:     127.0.0.1:48844 - "GET /api/v1/inventory/assignments HTTP/1.1" 200 OK
INFO:     127.0.0.1:48832 - "GET /api/v1/settings/ HTTP/1.1" 200 OK
INFO:     127.0.0.1:48908 - "GET /api/v1/printers/developer-mode-warnings HTTP/1.1" 200 OK
INFO:     127.0.0.1:48832 - "GET /sw.js HTTP/1.1" 200 OK
INFO:     127.0.0.1:48880 - "GET /api/v1/queue/?status=pending HTTP/1.1" 200 OK
INFO:     127.0.0.1:48844 - "GET /api/v1/pending-uploads/count HTTP/1.1" 200 OK
INFO:     127.0.0.1:48892 - "GET /api/v1/support/debug-logging HTTP/1.1" 200 OK
INFO:     127.0.0.1:48864 - "GET /api/v1/external-links/ HTTP/1.1" 200 OK
INFO:     127.0.0.1:35430 - "GET /api/v1/inventory/assignments HTTP/1.1" 200 OK
INFO:     127.0.0.1:35396 - "GET /api/v1/printers/developer-mode-warnings HTTP/1.1" 200 OK
INFO:     127.0.0.1:35408 - "GET /api/v1/queue/?status=pending HTTP/1.1" 200 OK
INFO:     127.0.0.1:35434 - "GET /api/v1/smart-plugs/ HTTP/1.1" 200 OK
INFO:     127.0.0.1:35416 - "GET /api/v1/pending-uploads/count HTTP/1.1" 200 OK
2026-03-06 19:17:30,817 INFO [backend.app.api.routes.websocket] WebSocket client disconnected normally
INFO:     connection closed

Screenshots

No response

Additional Context

No response

Checklist

  • I have searched existing issues to ensure this bug hasn't already been reported
  • I am using the latest version of Bambuddy
  • My printer is set to LAN Only mode
  • My printer has Developer Mode enabled
Originally created by @stsffhome on GitHub (Mar 7, 2026). Original GitHub issue: https://github.com/maziggy/bambuddy/issues/647 Originally assigned to: @maziggy on GitHub. ### Bug Description Line error when starting server ( uvicorn backend.app.main:app --host 0.0.0.0 --port 8 Bambuddy v0.2.2b2 System: Kernel: 6.8.0-101-generic x86_64 bits: 64 compiler: N/A Desktop: Cinnamon 6.0.4 tk: GTK 3.24.33 wm: muffin vt: 7 dm: LightDM 1.30.0 Distro: Linux Mint 21.3 Virginia base: Ubuntu 22.04 jammy Machine: ### Expected Behavior clean load ### Steps to Reproduce Run uvicorn backend.app.main:app --host 0.0.0.0 --port 8000 ### Printer Model H2D ### Bambuddy Version v0.2.2b2 ### Printer Firmware Version 01.03.00.00 (20260303) ### Installation Method Manual (git clone) ### Operating System Linux (Ubuntu/Debian) ### Relevant Logs / Support Package ```shell 2026-03-06 19:16:42,976 INFO [backend.app.api.routes.websocket] Sent initial status for 0 printers INFO: connection open INFO: 127.0.0.1:48908 - "GET /api/v1/updates/version HTTP/1.1" 200 OK INFO: 127.0.0.1:48864 - "GET /api/v1/smart-plugs/ HTTP/1.1" 200 OK INFO: 127.0.0.1:48892 - "GET /api/v1/spoolman/status HTTP/1.1" 200 OK 2026-03-06 19:16:43,167 ERROR [backend.app.api.routes.updates] Failed to check for updates: All connection attempts failed INFO: 127.0.0.1:48908 - "GET /api/v1/updates/check HTTP/1.1" 200 OK INFO: 127.0.0.1:48880 - "GET /api/v1/maintenance/overview HTTP/1.1" 200 OK INFO: 127.0.0.1:48844 - "GET /api/v1/inventory/assignments HTTP/1.1" 200 OK INFO: 127.0.0.1:48832 - "GET /api/v1/settings/ HTTP/1.1" 200 OK INFO: 127.0.0.1:48908 - "GET /api/v1/printers/developer-mode-warnings HTTP/1.1" 200 OK INFO: 127.0.0.1:48832 - "GET /sw.js HTTP/1.1" 200 OK INFO: 127.0.0.1:48880 - "GET /api/v1/queue/?status=pending HTTP/1.1" 200 OK INFO: 127.0.0.1:48844 - "GET /api/v1/pending-uploads/count HTTP/1.1" 200 OK INFO: 127.0.0.1:48892 - "GET /api/v1/support/debug-logging HTTP/1.1" 200 OK INFO: 127.0.0.1:48864 - "GET /api/v1/external-links/ HTTP/1.1" 200 OK INFO: 127.0.0.1:35430 - "GET /api/v1/inventory/assignments HTTP/1.1" 200 OK INFO: 127.0.0.1:35396 - "GET /api/v1/printers/developer-mode-warnings HTTP/1.1" 200 OK INFO: 127.0.0.1:35408 - "GET /api/v1/queue/?status=pending HTTP/1.1" 200 OK INFO: 127.0.0.1:35434 - "GET /api/v1/smart-plugs/ HTTP/1.1" 200 OK INFO: 127.0.0.1:35416 - "GET /api/v1/pending-uploads/count HTTP/1.1" 200 OK 2026-03-06 19:17:30,817 INFO [backend.app.api.routes.websocket] WebSocket client disconnected normally INFO: connection closed ``` ### Screenshots _No response_ ### Additional Context _No response_ ### Checklist - [x] I have searched existing issues to ensure this bug hasn't already been reported - [x] I am using the latest version of Bambuddy - [x] My printer is set to LAN Only mode - [x] My printer has Developer Mode enabled
BreizhHardware 2026-05-06 12:29:18 +02:00
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BreizhHardware commented 2026-05-06 12:29:19 +02:00
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@maziggy commented on GitHub (Mar 7, 2026):

Don't understand. Where does this incomplete line comes from?

Line error when starting server ( uvicorn backend.app.main:app --host 0.0.0.0 --port 8

<!-- gh-comment-id:4016293993 --> @maziggy commented on GitHub (Mar 7, 2026): Don't understand. Where does this incomplete line comes from? >Line error when starting server ( uvicorn backend.app.main:app --host 0.0.0.0 --port 8
BreizhHardware commented 2026-05-06 12:29:19 +02:00
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@stsffhome commented on GitHub (Mar 7, 2026):

terminal full display for command included above

<!-- gh-comment-id:4016300353 --> @stsffhome commented on GitHub (Mar 7, 2026): terminal full display for command included above
BreizhHardware commented 2026-05-06 12:29:19 +02:00
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@stsffhome commented on GitHub (Mar 7, 2026):

line 6 in included

<!-- gh-comment-id:4016301623 --> @stsffhome commented on GitHub (Mar 7, 2026): line 6 in included
BreizhHardware commented 2026-05-06 12:29:19 +02:00
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@maziggy commented on GitHub (Mar 7, 2026):

Please, this is not a quiz! Please explain your issue in detail. I have no idea, what you're talking about.

<!-- gh-comment-id:4016324755 --> @maziggy commented on GitHub (Mar 7, 2026): Please, this is not a quiz! Please explain your issue in detail. I have no idea, what you're talking about.
BreizhHardware commented 2026-05-06 12:29:19 +02:00
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@maziggy commented on GitHub (Mar 7, 2026):

If you are refering to this

2026-03-06 19:16:43,167 ERROR [backend.app.api.routes.updates] Failed to check for updates: All connection attempts failed

then I need a support package. Cannot debug blindfolded.

<!-- gh-comment-id:4016338047 --> @maziggy commented on GitHub (Mar 7, 2026): If you are refering to this >2026-03-06 19:16:43,167 ERROR [backend.app.api.routes.updates] Failed to check for updates: All connection attempts failed then I need a support package. Cannot debug blindfolded.
BreizhHardware commented 2026-05-06 12:29:19 +02:00
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@stsffhome commented on GitHub (Mar 7, 2026):

forget it

<!-- gh-comment-id:4016344529 --> @stsffhome commented on GitHub (Mar 7, 2026): forget it
BreizhHardware commented 2026-05-06 12:29:20 +02:00
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@maziggy commented on GitHub (Mar 7, 2026):

Not able to communicate a single simple bug properly. What do you expect?

headshaking

<!-- gh-comment-id:4016351273 --> @maziggy commented on GitHub (Mar 7, 2026): Not able to communicate a single simple bug properly. What do you expect? ***headshaking***
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