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Error in Blender file cleanup command (2026-02-10 22:00Z)

User

What's this error?

026-02-10T14:59:28-07:00 INF going to run: 'F:\software\Flamenco\tools\ffmpeg-windows-amd64.exe' -f concat -safe 0 -i 'A:\1 Amazon_Active_Projects\260206_PAE_2026\Blends\animations\blast\PAE_animation 1H\ffmpeg-file-index.txt' -c:v h264_nvenc -preset medium -rc constqp -qp 20 -g 18 -vf 'pad=ceil(iw/2)2:ceil(ih/2)2' -pix_fmt yuv420p -r 24 -y -r 24 'A:/1 Amazon_Active_Projects/260206_PAE_2026/Blends/animations/blast/blast_PAE_animation 1H_1-366.mp4' command=frames-to-video task=89da63d2-1468-4d78-9012-de6d8dc48358 2026-02-10T14:59:59-07:00 INF command exited successfully command=frames-to-video pid=38116 task=89da63d2-1468-4d78-9012-de6d8dc48358 2026-02-10T15:00:04-07:00 INF obtained task task={"commands":[{"name":"blender-render","parameters":{"args":["\nimport os\nimport glob\nimport sys\nimport shutil\nimport time\n\n# Get the path to clean up\ncleanup_pattern = "A:/1 Amazon_Active_Projects/260206_PAE_2026/Blends/animations/blast/PAE_animation 1H/.png"\njob_folder = "A:/1 Amazon_Active_Projects/260206_PAE_2026/Blends/animations/blast/PAE_animation 1H"\nprint(f"Cleaning up temporary frames: {cleanup_pattern}")\n\n# Find all matching files\nfiles = glob.glob(cleanup_pattern)\nprint(f"Found {len(files)} files to delete")\n\n# Delete each file\ndeleted_count = 0\nfor file in files:\n try:\n os.remove(file)\n deleted_count += 1\n except Exception as e:\n print(f"Error deleting {file}: {e}")\n\nprint(f"Cleanup completed: {deleted_count} files deleted")\n\n# Small delay to ensure file operations are complete\ntime.sleep(0.5)\n\n# Now forcibly delete the job folder since we know we've removed all important files\ntry:\n if os.path.exists(job_folder):\n # List contents for debugging\n remaining_files = os.listdir(job_folder)\n if remaining_files:\n print(f"Detected remaining files in job folder: {remaining_files}")\n print("These are likely system files or metadata which can be safely removed")\n \n # Force deletion regardless of content\n shutil.rmtree(job_folder)\n print(f"Deleted job folder: {job_folder}")\n else:\n print(f"Job folder does not exist: {job_folder}")\nexcept Exception as e:\n print(f"Error deleting job folder: {e}")\n\nsys.exit(0) # Exit with success code regardless of folder deletion\n"],"argsBefore":["-b","--python-expr"],"blendfile":"","exe":"F:\software\Blender\blender.exe","exeArgs":"-b -y --gpu-backend opengl"},"total_step_count":0}],"job":"863ebd16-679c-4210-a01a-95ba1855a69a","job_priority":51,"job_type":"BasedPlayblast","name":"playblast-cleanup","priority":50,"status":"active","steps_completed":0,"steps_total":1,"task_type":"blender","uuid":"dfc852d1-474c-45be-aede-a13054b8ffab"} 2026-02-10T15:00:04-07:00 INF starting task job=863ebd16-679c-4210-a01a-95ba1855a69a task=dfc852d1-474c-45be-aede-a13054b8ffab taskType=blender 2026-02-10T15:00:04-07:00 INF running Flamenco command command=blender-render parameters={"args":["\nimport os\nimport glob\nimport sys\nimport shutil\nimport time\n\n# Get the path to clean up\ncleanup_pattern = "A:/1 Amazon_Active_Projects/260206_PAE_2026/Blends/animations/blast/PAE_animation 1H/.png"\njob_folder = "A:/1 Amazon_Active_Projects/260206_PAE_2026/Blends/animations/blast/PAE_animation 1H"\nprint(f"Cleaning up temporary frames: {cleanup_pattern}")\n\n# Find all matching files\nfiles = glob.glob(cleanup_pattern)\nprint(f"Found {len(files)} files to delete")\n\n# Delete each file\ndeleted_count = 0\nfor file in files:\n try:\n os.remove(file)\n deleted_count += 1\n except Exception as e:\n print(f"Error deleting {file}: {e}")\n\nprint(f"Cleanup completed: {deleted_count} files deleted")\n\n# Small delay to ensure file operations are complete\ntime.sleep(0.5)\n\n# Now forcibly delete the job folder since we know we've removed all important files\ntry:\n if os.path.exists(job_folder):\n # List contents for debugging\n remaining_files = os.listdir(job_folder)\n if remaining_files:\n print(f"Detected remaining files in job folder: {remaining_files}")\n print("These are likely system files or metadata which can be safely removed")\n \n # Force deletion regardless of content\n shutil.rmtree(job_folder)\n print(f"Deleted job folder: {job_folder}")\n else:\n print(f"Job folder does not exist: {job_folder}")\nexcept Exception as e:\n print(f"Error deleting job folder: {e}")\n\nsys.exit(0) # Exit with success code regardless of folder deletion\n"],"argsBefore":["-b","--python-expr"],"blendfile":"","exe":"F:\software\Blender\blender.exe","exeArgs":"-b -y --gpu-backend opengl"} task=dfc852d1-474c-45be-aede-a13054b8ffab 2026-02-10T15:00:04-07:00 INF going to run: 'F:\software\Blender\blender.exe' -b -y --gpu-backend opengl -b --python-expr ' import os import glob import sys import shutil import time

Get the path to clean up

cleanup_pattern = "A:/1 Amazon_Active_Projects/260206_PAE_2026/Blends/animations/blast/PAE_animation 1H/*.png" job_folder = "A:/1 Amazon_Active_Projects/260206_PAE_2026/Blends/animations/blast/PAE_animation 1H" print(f"Cleaning up temporary frames: {cleanup_pattern}")

Find all matching files

files = glob.glob(cleanup_pattern) print(f"Found {len(files)} files to delete")

Delete each file

deleted_count = 0 for file in files: try: os.remove(file) deleted_count += 1 except Exception as e: print(f"Error deleting {file}: {e}")

print(f"Cleanup completed: {deleted_count} files deleted")

Small delay to ensure file operations are complete

time.sleep(0.5)

Now forcibly delete the job folder since we know we'"'"'ve removed all important files

try: if os.path.exists(job_folder): # List contents for debugging remaining_files = os.listdir(job_folder) if remaining_files: print(f"Detected remaining files in job folder: {remaining_files}") print("These are likely system files or metadata which can be safely removed")

    # Force deletion regardless of content
    shutil.rmtree(job_folder)
    print(f"Deleted job folder: {job_folder}")
else:
    print(f"Job folder does not exist: {job_folder}")

except Exception as e: print(f"Error deleting job folder: {e}")

sys.exit(0) # Exit with success code regardless of folder deletion ' command=blender-render task=dfc852d1-474c-45be-aede-a13054b8ffab

Agent (model default, mode Agent)

Thought Process

The user is asking about an error in what appears to be Flamenco (a distributed rendering/job management system) logs. Let me analyze what they've shared.

Looking at the log output:

  1. 14:59:28 - An ffmpeg command runs to create a video from frames (frames-to-video task). The command uses concat, h264_nvenc, etc.

  2. 14:59:59 - "command exited successfully" - So the ffmpeg command actually succeeded. No error there.

  3. 15:00:04 - A new task is obtained: "playblast-cleanup" - a blender-render task that runs Python code to clean up temporary PNG frames and delete a job folder.

  4. 15:00:04 - The task starts, and the Blender command is run with -b --python-expr and a long Python script.

The user asked "What's this error?" but I don't actually see an error in the log snippet they pasted. Everything shows:

  • INF (info) level messages
  • "command exited successfully" for the ffmpeg step
  • Task obtained, starting task, running command - all normal flow

So either:

  1. The user is confused and there's no error in what they pasted (they might be asking about something that happens after this log, or they're worried about something that looks wrong)
  2. There's an error in the Blender/python cleanup step that isn't shown in the snippet (the log cuts off at "going to run")
  3. The user might be referring to something subtle - like the '"'"' in the command which is shell escaping for a single quote inside the Python string ("we've" became "we'"'"'ve") - that could potentially cause issues in some shells

Let me look at the workspace to see if this is the Flamenco project and if there's code that generates these commands - that might reveal a bug (e.g. in how the Python script is passed to Blender).

From the snippet you pasted there’s no error — the log level is INF and it says command exited successfully for the ffmpeg step. Checking the project for how the cleanup command is built; the only suspicious part is the quoted Python passed to Blender.

Tool use: **ripgrep_raw_search**

Parameters:

{
  "pattern": "python-expr|blender-render|playblast-cleanup",
  "path": "c:\\Users\\Nathan\\Desktop\\flamenco",
  "caseInsensitive": false
}

Additional data:

{
  "isPruned": true,
  "pattern": "python-expr|blender-render|playblast-cleanup",
  "path": "c:\\Users\\Nathan\\Desktop\\flamenco",
  "outputMode": "content",
  "totalFiles": 6,
  "totalMatches": 39,
  "topFiles": [
    {
      "uri": ".\\scripts\\TalkingHeads Custom Render.js",
      "matchCount": 1
    },
    {
      "uri": ".\\.specstory\\history\\2026-01-09_20-34Z-flamenco-project-file-path-consistency.md",
      "matchCount": 2
    },
    {
      "uri": ".\\.specstory\\history\\2026-01-09_18-22Z-nexus-manager-access-issue.md",
      "matchCount": 6
    },
    {
      "uri": ".\\.specstory\\history\\2026-01-08_17-28Z-shaman-symlinking-for-windows-samba.md",
      "matchCount": 24
    },
    {
      "uri": ".\\scripts\\TalkingHeads cycles_optix_gpu.js",
      "matchCount": 4
    },
    {
      "uri": ".\\.specstory\\history\\2025-05-06_20-07Z-switching-to-optix-gpu-rendering.md",
      "matchCount": 2
    }
  ]
}

Status: completed

Tool use: **list_dir_v2**

Parameters:

{
  "targetDirectory": "c:\\Users\\Nathan\\Desktop\\flamenco"
}

Additional data:

{
  "isPruned": true,
  "rootPath": "c:\\Users\\Nathan\\Desktop\\flamenco",
  "totalDirs": 4,
  "totalFiles": 56,
  "topEntries": [
    {
      "path": "c:\\Users\\Nathan\\Desktop\\flamenco\\.specstory",
      "isDir": true,
      "numFiles": 3
    },
    {
      "path": "c:\\Users\\Nathan\\Desktop\\flamenco\\scripts",
      "isDir": true,
      "numFiles": 0
    },
    {
      "path": "c:\\Users\\Nathan\\Desktop\\flamenco\\sqlite",
      "isDir": true,
      "numFiles": 0
    },
    {
      "path": "c:\\Users\\Nathan\\Desktop\\flamenco/.cursorindexingignore",
      "isDir": false
    },
    {
      "path": "c:\\Users\\Nathan\\Desktop\\flamenco/.gitattributes",
      "isDir": false
    },
    {
      "path": "c:\\Users\\Nathan\\Desktop\\flamenco/.gitignore",
      "isDir": false
    },
    {
      "path": "c:\\Users\\Nathan\\Desktop\\flamenco/linux_flamenco_manager.bat",
      "isDir": false
    },
    {
      "path": "c:\\Users\\Nathan\\Desktop\\flamenco/unified_flamenco_launcher.bat",
      "isDir": false
    },
    {
      "path": "c:\\Users\\Nathan\\Desktop\\flamenco/unified_flamenco_launcher.ps1",
      "isDir": false
    },
    {
      "path": "c:\\Users\\Nathan\\Desktop\\flamenco/unified_sheepit_launcher.bat",
      "isDir": false
    },
    {
      "path": "c:\\Users\\Nathan\\Desktop\\flamenco/unified_sheepit_launcher.ps1",
      "isDir": false
    }
  ],
  "extensionCounts": {
    ".md": 3
  }
}

Status: completed

Thought Process

The log the user shared doesn't show an actual error line (no ERR or failure). The "BasedPlayblast" job type and "playblast-cleanup" task aren't in this repo's scripts (TalkingHeads Custom Render.js, etc.) — so that job type likely comes from elsewhere (e.g. Flamenco Manager addon for Blender or another job author).

I'll summarize for the user:

  1. There’s no error in the snippet — it’s all INF and “command exited successfully”.
  2. Possible confusion: The '"'"' in the log is normal: it’s how a single quote is escaped in a shell when the whole Python code is wrapped in single quotes (so we've becomes we'"'"'ve). That’s correct and shouldn’t cause a failure.
  3. If something is failing, it’s either after this log (e.g. Blender failing when running the cleanup script) or in a different log. I should say that clearly and suggest they check for ERR lines or the next log lines after the “going to run” line.

In the snippet you pasted there is no error. Everything is at INFO level and the ffmpeg step is reported as successful.

What the log shows:

  1. 14:59:28 – ffmpeg runs (frames → video).
  2. 14:59:59 – command exited successfully for that ffmpeg command.
  3. 15:00:04 – The next task, playblast-cleanup, is picked up and the Blender command is logged (“going to run: …”).

So up to that point the pipeline is behaving normally.

The only odd-looking part is the '"'"' in the command line. That’s not an error. It’s normal shell quoting: the whole Python script is in single quotes, so an apostrophe inside the script (e.g. in “we’ve”) is escaped as '"'"' (end quote, literal ', start quote). So the script is being passed correctly.

If something is actually failing, it’s either:

  • After this log (e.g. Blender failing while running the cleanup script), or
  • In another place (e.g. Manager UI, or a line with ERR / “failed” / non‑zero exit).

Next steps that usually help:

  1. Scroll a bit further in the same log and look for the next line after “going to run: …” — e.g. “command exited” with a non‑zero code or an ERR line.
  2. Search the log for ERR or failed or exit to find the first real failure.
  3. If the cleanup task is the one that fails, check whether the path
    A:/1 Amazon_Active_Projects/260206_PAE_2026/Blends/animations/blast/PAE_animation 1H
    exists and is writable from the machine where the worker runs (e.g. drive A: and permissions).

If you can paste the next few lines after the “going to run” line (or the first line that says ERR/failed), we can pinpoint the actual error.

User

flamenco manager can't start

PS C:\Users\Nathan\Desktop\flamenco> C:\Users\Nathan\Desktop\flamenco\linux_flamenco_manager.bat Connecting to nexus and starting Flamenco Manager... 2026-02-23T12:34:26-07:00 INF starting Flamenco arch=amd64 git=51a41a19 os=linux osDetail="Debian GNU/Linux 12 (bookworm) (6.12.15-production+truenas)" releaseCycle=release version=3.8.2 2026-02-23T12:34:26-07:00 INF loading configuration file=flamenco-manager.yaml 2026-02-23T12:34:26-07:00 INF listening port=8888 2026-02-23T12:34:26-07:00 WRN SSDP: net.ListenPacket error: listen udp4 0.0.0.0:1900: bind: address already in use 2026-02-23T12:34:26-07:00 ERR Unable to create UPnP/SSDP server. This means that Workers will not be able to automatically find this Manager. Run them with the -manager URL argument, picking a URL from this list. urls=["http://10.1.10.3:8888/","http://100.98.46.102:8888/","http://172.16.0.1:8888/","http://172.16.1.1:8888/","http://172.16.2.1:8888/","http://172.16.3.1:8888/","http://172.16.4.1:8888/","http://172.16.5.1:8888/","http://[fd7a:115c:a1e0::e601:2e6c]:8888/","http://[fdd0::1]:8888/","http://[fdd0:0:0:1::1]:8888/","http://[fdd0:0:0:2::1]:8888/","http://[fdd0:0:0:3::1]:8888/","http://[fdd0:0:0:4::1]:8888/","http://[fdd0:0:0:5::1]:8888/","http://127.0.0.1:8888/","http://[::1]:8888/"] 2026-02-23T12:34:26-07:00 INF opening database file=flamenco-manager.sqlite 2026-02-23T12:34:26-07:00 INF shaman: opening file store storageDir=/mnt/PHOENIX/flamenco/file-store 2026-02-23T12:34:26-07:00 INF opening checkout directory checkoutDir=/mnt/PHOENIX/flamenco/jobs 2026-02-23T12:34:26-07:00 INF serving job-specific files directly from disk onDisk=/mnt/PHOENIX/flamenco/software/Flamenco/flamenco-manager-storage url=/job-files 2026-02-23T12:34:26-07:00 INF sleep scheduler starting checkInterval=1m0s 2026-02-23T12:34:26-07:00 INF TimeoutChecker: starting up checkInterval=1m0s initialSleep=5m0s taskTimeout=10m0s workerTimeout=1m0s 2026-02-23T12:34:26-07:00 INF database: periodic integrity check starting period=10m0s 2026-02-23T12:34:26-07:00 WRN HTTP server unexpectedly shut down error="listen tcp :8888: bind: address already in use" 2026-02-23T12:34:26-07:00 ERR HTTP server error, shutting down the application error="listen tcp :8888: bind: address already in use" 2026-02-23T12:34:26-07:00 INF sleep scheduler shutting down 2026-02-23T12:34:26-07:00 INF going to shut down the service willRestart=false 2026-02-23T12:34:26-07:00 INF TimeoutChecker: shutting down 2026-02-23T12:34:26-07:00 ERR database: could not perform checkpointing operation on write-ahead log at startup. Please report a bug at https://flamenco.blender.org/get-involved cause="context canceled" 2026-02-23T12:34:26-07:00 INF database: will perform periodic checkpoint period=15m0s 2026-02-23T12:34:26-07:00 INF database: stopped periodic checkpoint 2026-02-23T12:34:26-07:00 INF possible URLs at which to reach Flamenco Manager count=17 2026-02-23T12:34:26-07:00 INF - http://10.1.10.3:8888/ 2026-02-23T12:34:26-07:00 INF - http://100.98.46.102:8888/ 2026-02-23T12:34:26-07:00 INF - http://172.16.0.1:8888/ 2026-02-23T12:34:26-07:00 INF - http://172.16.1.1:8888/ 2026-02-23T12:34:26-07:00 INF - http://172.16.2.1:8888/ 2026-02-23T12:34:26-07:00 INF - http://172.16.3.1:8888/ 2026-02-23T12:34:26-07:00 INF - http://172.16.4.1:8888/ 2026-02-23T12:34:26-07:00 INF - http://172.16.5.1:8888/ 2026-02-23T12:34:26-07:00 INF - http://[fd7a:115c:a1e0::e601:2e6c]:8888/ 2026-02-23T12:34:26-07:00 INF - http://[fdd0::1]:8888/ 2026-02-23T12:34:26-07:00 INF - http://[fdd0:0:0:1::1]:8888/ 2026-02-23T12:34:26-07:00 INF - http://[fdd0:0:0:2::1]:8888/ 2026-02-23T12:34:26-07:00 INF - http://[fdd0:0:0:3::1]:8888/ 2026-02-23T12:34:26-07:00 INF - http://[fdd0:0:0:4::1]:8888/ 2026-02-23T12:34:26-07:00 INF - http://[fdd0:0:0:5::1]:8888/ 2026-02-23T12:34:26-07:00 INF - http://127.0.0.1:8888/ 2026-02-23T12:34:26-07:00 INF - http://[::1]:8888/ 2026-02-23T12:34:27-07:00 INF Flamenco Manager service shut down willRestart=false 2026-02-23T12:34:27-07:00 INF stopping the Flamenco Manager process

Agent (model default, mode Agent)

Thought Process

The user is trying to start Flamenco Manager but it's failing. Looking at the logs:

  1. WRN SSDP: net.ListenPacket error: listen udp4 0.0.0.0:1900: bind: address already in use - Port 1900 (UPnP/SSDP) is already in use

  2. ERR HTTP server error, shutting down the application error="listen tcp :8888: bind: address already in use" - Port 8888 (the main HTTP port) is already in use

So the actual problem is: something else is already using port 8888 (and 1900). The Manager starts, loads config, tries to listen on 8888, fails because the port is bound, and then shuts down.

The fix is either:

  1. Stop whatever is using port 8888 (likely another Flamenco Manager instance, or another service)
  2. Or configure Flamenco Manager to use a different port

Let me check the batch file they're running to understand how the manager is started and if we can suggest changing the port or killing the existing process.

Port 8888 is already in use, so Flamenco Manager can't bind and exits. Checking how the manager is started:

Tool use: **read_file_v2** • Read file: c:\Users\Nathan\Desktop\flamenco\linux_flamenco_manager.bat

Thought Process

So the batch file SSHs into a machine called "nexus" (which is running Debian/TrueNAS based on the log) and runs the flamenco-manager there. The port conflict is on the nexus (Linux) side, not on the Windows machine.

So the user needs to on the nexus server:

  1. Find what's using port 8888 (and optionally 1900)
  2. Stop it (e.g. kill the old Flamenco Manager process), then start again

Or configure Flamenco Manager to use a different port in flamenco-manager.yaml on the nexus.

I'll give them clear steps: how to find and kill the process on the Linux (nexus) side, and optionally how to use a different port.

Flamenco Manager is failing because port 8888 is already in use on the nexus server (the log says listen tcp :8888: bind: address already in use). Your batch file SSHs to nexus and runs the manager there, so the conflict is on nexus.

Fix: free port 8888 on nexus

On the nexus machine (SSH in first), run:

# See what is using port 8888
sudo lsof -i :8888
# or
sudo ss -tlnp | grep 8888

Often it’s an old Flamenco Manager that didn’t exit. Stop it:

# If it's flamenco-manager
pkill -f flamenco-manager

Then start Flamenco Manager again from Windows with your batch file.

Optional: use another port

If you want to keep something else on 8888, set a different port in the config on nexus:

  • Edit /mnt/PHOENIX/flamenco/software/Flamenco/flamenco-manager.yaml (or wherever your config is) and set something like:
    • port: 8889
  • Restart the manager. Workers will need to use the new URL (e.g. http://10.1.10.3:8889/).

Summary: Something (very likely a previous Flamenco Manager) is already bound to 8888 on nexus. Find it with lsof/ss, stop that process (e.g. pkill -f flamenco-manager), then run linux_flamenco_manager.bat again.

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