[BUG] Paperless-ngx: 2.0.0: MissingDependencyError: gs

[epcos71]

Description

When I upload a new document by consume directory or upload dialog, the following error occurs and the upload did not happen:

[2023-11-29 10:36:45,951] [DEBUG] [paperless.parsing.tesseract] Calling OCRmyPDF with args: {'input_file': PosixPath('/tmp/paperless/paperless-ngxj6di44a5/Vorgabedokumente Prozess.pdf'), 'output_file': PosixPath('/tmp/paperless/paperless-zssxqkea/archive.pdf'), 'use_threads': True, 'jobs': 4, 'language': 'deu', 'output_type': 'pdfa', 'progress_bar': False, 'skip_text': True, 'clean': True, 'deskew': True, 'rotate_pages': True, 'rotate_pages_threshold': 12.0, 'sidecar': PosixPath('/tmp/paperless/paperless-zssxqkea/sidecar.txt')}

[2023-11-29 10:36:46,057] [ERROR] [paperless.consumer] Error occurred while consuming document Vorgabedokumente Prozess.pdf: MissingDependencyError: gs

Traceback (most recent call last):

  File "/opt/paperless/src/paperless_tesseract/parsers.py", line 321, in parse

    ocrmypdf.ocr(**args)

  File "/usr/local/lib/python3.9/dist-packages/ocrmypdf/api.py", line 374, in ocr

    check_options(options, plugin_manager)

  File "/usr/local/lib/python3.9/dist-packages/ocrmypdf/_validation.py", line 248, in check_options

    _check_plugin_options(options, plugin_manager)

  File "/usr/local/lib/python3.9/dist-packages/ocrmypdf/_validation.py", line 241, in _check_plugin_options

    plugin_manager.hook.check_options(options=options)

  File "/usr/local/lib/python3.9/dist-packages/pluggy/_hooks.py", line 493, in __call__

    return self._hookexec(self.name, self._hookimpls, kwargs, firstresult)

  File "/usr/local/lib/python3.9/dist-packages/pluggy/_manager.py", line 115, in _hookexec

    return self._inner_hookexec(hook_name, methods, kwargs, firstresult)

  File "/usr/local/lib/python3.9/dist-packages/pluggy/_callers.py", line 113, in _multicall

    raise exception.with_traceback(exception.__traceback__)

  File "/usr/local/lib/python3.9/dist-packages/pluggy/_callers.py", line 77, in _multicall

    res = hook_impl.function(*args)

  File "/usr/local/lib/python3.9/dist-packages/ocrmypdf/builtin_plugins/ghostscript.py", line 51, in check_options

    check_external_program(

  File "/usr/local/lib/python3.9/dist-packages/ocrmypdf/subprocess/__init__.py", line 341, in check_external_program

    raise MissingDependencyError(program)

ocrmypdf.exceptions.MissingDependencyError: gs

The above exception was the direct cause of the following exception:

Traceback (most recent call last):

  File "/opt/paperless/src/documents/consumer.py", line 441, in try_consume_file

    document_parser.parse(self.path, mime_type, self.filename)

  File "/opt/paperless/src/paperless_tesseract/parsers.py", line 388, in parse

    raise ParseError(f"{e.__class__.__name__}: {e!s}") from e

documents.parsers.ParseError: MissingDependencyError: gs

Steps to reproduce

1. Upload a new document (e.g. pdf)
2. Check the protocoll

Webserver logs

[2023-11-29 10:36:45,951] [DEBUG] [paperless.parsing.tesseract] Calling OCRmyPDF with args: {'input_file': PosixPath('/tmp/paperless/paperless-ngxj6di44a5/Vorgabedokumente Prozess.pdf'), 'output_file': PosixPath('/tmp/paperless/paperless-zssxqkea/archive.pdf'), 'use_threads': True, 'jobs': 4, 'language': 'deu', 'output_type': 'pdfa', 'progress_bar': False, 'skip_text': True, 'clean': True, 'deskew': True, 'rotate_pages': True, 'rotate_pages_threshold': 12.0, 'sidecar': PosixPath('/tmp/paperless/paperless-zssxqkea/sidecar.txt')}

[2023-11-29 10:36:46,057] [ERROR] [paperless.consumer] Error occurred while consuming document Vorgabedokumente Prozess.pdf: MissingDependencyError: gs

Traceback (most recent call last):

  File "/opt/paperless/src/paperless_tesseract/parsers.py", line 321, in parse

    ocrmypdf.ocr(**args)

  File "/usr/local/lib/python3.9/dist-packages/ocrmypdf/api.py", line 374, in ocr

    check_options(options, plugin_manager)

  File "/usr/local/lib/python3.9/dist-packages/ocrmypdf/_validation.py", line 248, in check_options

    _check_plugin_options(options, plugin_manager)

  File "/usr/local/lib/python3.9/dist-packages/ocrmypdf/_validation.py", line 241, in _check_plugin_options

    plugin_manager.hook.check_options(options=options)

  File "/usr/local/lib/python3.9/dist-packages/pluggy/_hooks.py", line 493, in __call__

    return self._hookexec(self.name, self._hookimpls, kwargs, firstresult)

  File "/usr/local/lib/python3.9/dist-packages/pluggy/_manager.py", line 115, in _hookexec

    return self._inner_hookexec(hook_name, methods, kwargs, firstresult)

  File "/usr/local/lib/python3.9/dist-packages/pluggy/_callers.py", line 113, in _multicall

    raise exception.with_traceback(exception.__traceback__)

  File "/usr/local/lib/python3.9/dist-packages/pluggy/_callers.py", line 77, in _multicall

    res = hook_impl.function(*args)

  File "/usr/local/lib/python3.9/dist-packages/ocrmypdf/builtin_plugins/ghostscript.py", line 51, in check_options

    check_external_program(

  File "/usr/local/lib/python3.9/dist-packages/ocrmypdf/subprocess/__init__.py", line 341, in check_external_program

    raise MissingDependencyError(program)

ocrmypdf.exceptions.MissingDependencyError: gs

The above exception was the direct cause of the following exception:

Traceback (most recent call last):

  File "/opt/paperless/src/documents/consumer.py", line 441, in try_consume_file

    document_parser.parse(self.path, mime_type, self.filename)

  File "/opt/paperless/src/paperless_tesseract/parsers.py", line 388, in parse

    raise ParseError(f"{e.__class__.__name__}: {e!s}") from e

documents.parsers.ParseError: MissingDependencyError: gs

Browser logs

No response

Paperless-ngx version

2.0.0

Host OS

Proxmox LXC Ubunutu 23.0.4 (Upgrade from 1.17.4 via Proxmox Helper Script: https://tteck.github.io/Proxmox/)

Installation method

Other (please describe above)

Browser

No response

Configuration changes

No response

Other

No response

[stumpylog]

Ocrmypdf thinks you are missing ghostscript. Are you? If you're not, make sure it's on the path, then I refer you to their issues for further help.

[epcos71]

It worked fine before i did the update from 1.17.4., so I think it is set properly. How can I check this?

[stumpylog]

Get a bash or other shell inside the container. Does running gs or which gs work? Is it listed in dpkg -l

[epcos71]

yes, both work.

root@paperless-dm2:~# gs
GPL Ghostscript 9.53.3 (2020-10-01)
Copyright (C) 2020 Artifex Software, Inc.  All rights reserved.
This software is supplied under the GNU AGPLv3 and comes with NO WARRANTY:
see the file COPYING for details.
GS>^C
root@paperless-dm2:~# which gs
/usr/bin/gs

[Dabylpmis]

I got exactly the same error after updating to 2.0.0. I checked paperless.conf
#PAPERLESS_GS_BINARY=/usr/bin/gs
It is commented out, but changes nothing when uncommented. According to which gs path is correct.

[stumpylog]

Per their requirements, ocrmypdf requires Ghostscript 9.55 or newer at this time. So 9.53.3 is not a supported version.

[epcos71]

Fun Fact: Version 1.74.4 also worked with 9.53.3, so I don't think it is the reason.

[stumpylog]

ocrmypdf was updated from ~14 to ~15, which included "Tightened version requirements for some dependencies" and "Generally speaking, Ubuntu 22.04 is our new baseline system". Jammy provides Ghostscript 9.55

[t0rb3n]

@epcos71 Not sure if you solved it by now but updating the container to Debian 12 and running the update script again solved the issue for me. See my comment

[github-actions]

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