Page 1 of 1

[SOLVED] WUA scan failure: JSONDecodeError

Published: November 17, 2022 - 4:04 PM
by t.heroult
Hello everyone.

When running a WUA scan on a Windows 7 Pro machine (on which it had worked fine until now), the scan immediately fails with this message:

Code: Select all

JSONDecodeError: Expecting value: line 1 column 1 (char 0)
Traceback (most recent call last):
  File "C:\Program Files (x86)\wapt\waptservice\service.py", line 1894, in run
    self.running_task.run()
  File "C:\Program Files (x86)\wapt\waptservice\waptservice_common.py", line 699, in run
    self._run()
  File "C:\Program Files (x86)\wapt\waptservice\enterprise.py", line 230, in _run
    with WaptWUA(self.wapt) as wua:
  File "C:\Program Files (x86)\wapt\waptwua\client.py", line 462, in __init__
    self.load_windows_updates_rules_from_packages()
  File "C:\Program Files (x86)\wapt\waptwua\client.py", line 475, in load_windows_updates_rules_from_packages
    self.windows_updates_rules.merge_rules_from_files(makepath(p['persistent_dir'], 'waptwua_rules.json'))
  File "C:\Program Files (x86)\wapt\waptwua\client.py", line 229, in merge_rules_from_files
    rules = json.load(open(json_fn, 'r'))
  File "json\__init__.py", line 293, in load
  File "json\__init__.py", line 357, in loads
  File "json\decoder.py", line 337, in decode
  File "json\decoder.py", line 355, in raw_decode
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)
Any idea what might happen?

Re: WUA scan failure: JSONDecodeError

Published: November 25, 2022 - 10:39 AM
by t.heroult
No idea?

Re: WUA scan failure: JSONDecodeError

Published: November 25, 2022 - 5:04 PM
by sfonteneau
It appears to be a corrupted waptwua_rules.json file (which is not actually a JSON file)

present

Code: Select all

C:\Program Files (x86)\wapt\private\persistent\?\waptwua_rules.json

Re: WUA scan failure: JSONDecodeError

Published: Dec 5, 2022 - 12:47
by t.heroult
Hello,

the problem has finally disappeared on its own. :)