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Adds troubleshooting and missing documentation for inotify and polling configuration

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Trenton Holmes 2022-05-17 08:56:52 -07:00
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14
docs/configuration.rst
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@ -590,6 +590,20 @@ PAPERLESS_CONSUMER_POLLING=<num>
Defaults to 0, which disables polling and uses filesystem notifications.
PAPERLESS_CONSUMER_POLLING_RETRY_COUNT=<num>
If consumer polling is enabled, sets the number of times paperless will check for a
file to remain unmodified.
Defaults to 5.
PAPERLESS_CONSUMER_POLLING_DELAY=<num>
If consumer polling is enabled, sets the delay in seconds between each check (above) paperless
will do while waiting for a file to remain unmodified.
Defaults to 5.
.. _configuration-inotify:
PAPERLESS_CONSUMER_INOTIFY_DELAY=<num>
Sets the time in seconds the consumer will wait for additional events
from inotify before the consumer will consider a file ready and begin consumption.

63
docs/troubleshooting.rst
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@ -235,3 +235,66 @@ You might find messages like these in your log files:
This indicates that paperless failed to read PDF metadata from one of your documents. This happens when you
open the affected documents in paperless for editing. Paperless will continue to work, and will simply not
show the invalid metadata.
Consumer fails with a FileNotFoundError
############################
You might find messages like these in your log files:
.. code::
[ERROR] [paperless.consumer] Error while consuming document SCN_0001.pdf: FileNotFoundError: [Errno 2] No such file or directory: '/tmp/ocrmypdf.io.yhk3zbv0/origin.pdf'
Traceback (most recent call last):
File "/app/paperless/src/paperless_tesseract/parsers.py", line 261, in parse
ocrmypdf.ocr(**args)
File "/usr/local/lib/python3.8/dist-packages/ocrmypdf/api.py", line 337, in ocr
return run_pipeline(options=options, plugin_manager=plugin_manager, api=True)
File "/usr/local/lib/python3.8/dist-packages/ocrmypdf/_sync.py", line 385, in run_pipeline
exec_concurrent(context, executor)
File "/usr/local/lib/python3.8/dist-packages/ocrmypdf/_sync.py", line 302, in exec_concurrent
pdf = post_process(pdf, context, executor)
File "/usr/local/lib/python3.8/dist-packages/ocrmypdf/_sync.py", line 235, in post_process
pdf_out = metadata_fixup(pdf_out, context)
File "/usr/local/lib/python3.8/dist-packages/ocrmypdf/_pipeline.py", line 798, in metadata_fixup
with pikepdf.open(context.origin) as original, pikepdf.open(working_file) as pdf:
File "/usr/local/lib/python3.8/dist-packages/pikepdf/_methods.py", line 923, in open
pdf = Pdf._open(
FileNotFoundError: [Errno 2] No such file or directory: '/tmp/ocrmypdf.io.yhk3zbv0/origin.pdf'
This probably indicates paperless tried to consume the same file twice. This can happen for a number of reasons,
depending on how documents are placed into the consume folder. If paperless is using inotify (the default) to
check for documents, try adjusting the :ref:`inotify configuration <configuration-inotify>`. If polling is enabled,
try adjusting the :ref:`polling configuration <configuration-polling>`.
Consumer fails waiting for file to remain unmodified.
############################
You might find messages like these in your log files:
.. code::
[ERROR] [paperless.management.consumer] Timeout while waiting on file /usr/src/paperless/src/../consume/SCN_0001.pdf to remain unmodified.
This indicates paperless timed out while waiting for the file to be completely written to the consume folder.
Adjusting :ref:`polling configuration <configuration-polling>` values should resolve the issue.
.. note::
The user will need to manually move the file out of the consume folder and
back in, for the initial failing file to be consumed.
Consumer fails reporting "OS reports file as busy still".
############################
You might find messages like these in your log files:
.. code::
[WARNING] [paperless.management.consumer] Not consuming file /usr/src/paperless/src/../consume/SCN_0001.pdf: OS reports file as busy still
This indicates paperless was unable to open the file, as the OS reported the file as still being in use. To prevent a
crash, paperless did not try to consume the file. If paperless is using inotify (the default) to
check for documents, try adjusting the :ref:`inotify configuration <configuration-inotify>`. If polling is enabled,
try adjusting the :ref:`polling configuration <configuration-polling>`.
.. note::
The user will need to manually move the file out of the consume folder and
back in, for the initial failing file to be consumed.