result backend not save properly in elastic search

[imadmoussa1]

Checklist

• I have verified that the issue exists against the master branch of Celery.
• This has already been asked to the discussion group first.
• I have read the relevant section in the
  contribution guide
  on reporting bugs.
• I have checked the issues list
  for similar or identical bug reports.
• I have checked the pull requests list
  for existing proposed fixes.
• I have checked the commit log
  to find out if the bug was already fixed in the master branch.
• I have included all related issues and possible duplicate issues
  in this issue (If there are none, check this box anyway).

Mandatory Debugging Information

• I have included the output of celery -A proj report in the issue.
  (if you are not able to do this, then at least specify the Celery
  version affected).
• I have verified that the issue exists against the master branch of Celery.
• I have included the contents of pip freeze in the issue.
• I have included all the versions of all the external dependencies required
  to reproduce this bug.

Optional Debugging Information

• I have tried reproducing the issue on more than one Python version
  and/or implementation.
• I have tried reproducing the issue on more than one message broker and/or
  result backend.
• I have tried reproducing the issue on more than one version of the message
  broker and/or result backend.
• I have tried reproducing the issue on more than one operating system.
• I have tried reproducing the issue on more than one workers pool.
• I have tried reproducing the issue with autoscaling, retries,
  ETA/Countdown & rate limits disabled.
• I have tried reproducing the issue after downgrading
  and/or upgrading Celery and its dependencies.

Related Issues and Possible Duplicates

Related Issues

• [Fix #5436] Store extending result in all backends #5661
• ElasticSearch can't parse celery result correctly #5660

Possible Duplicates

• ElasticSearch can't parse celery result correctly #5660

Environment & Settings

Celery version:
4.4.7

celery report Output:

types in document index requests is deprecated, use the typeless endpoints instead (/{index}/_doc/{id}, /{index}/_doc, or /{index}/_create/{id}).
  warnings.warn(message, category=ElasticsearchDeprecationWarning)
[2020-08-18 09:14:06,421: ERROR/MainProcess] Pool callback raised exception: RequestError(400, 'illegal_argument_exception', {'error': {'root_cause': [{'type': 'illegal_argument_exception', 'reason': 'mapper [result.args] of different type, current_type [long], merged_type [text]'}], 'type': 'illegal_argument_exception', 'reason': 'mapper [result.args] of different type, current_type [long], merged_type [text]'}, 'status': 400})
Traceback (most recent call last):
  File "/usr/local/lib/python3.7/site-packages/billiard/pool.py", line 1796, in safe_apply_callback
    fun(*args, **kwargs)
  File "/usr/local/lib/python3.7/site-packages/celery/worker/request.py", line 528, in on_failure
    store_result=self.store_errors,
  File "/usr/local/lib/python3.7/site-packages/celery/backends/base.py", line 160, in mark_as_failure
    traceback=traceback, request=request)
  File "/usr/local/lib/python3.7/site-packages/celery/backends/base.py", line 407, in store_result
    request=request, **kwargs)
  File "/usr/local/lib/python3.7/site-packages/celery/backends/base.py", line 758, in _store_result
    self.set(self.get_key_for_task(task_id), self.encode(meta))
  File "/usr/local/lib/python3.7/site-packages/celery/backends/elasticsearch.py", line 109, in set
    datetime.utcnow().isoformat()[:-3]
  File "/usr/local/lib/python3.7/site-packages/celery/backends/elasticsearch.py", line 126, in _index
    **kwargs
  File "/usr/local/lib/python3.7/site-packages/elasticsearch/client/utils.py", line 139, in _wrapped
    return func(*args, params=params, headers=headers, **kwargs)
  File "/usr/local/lib/python3.7/site-packages/elasticsearch/client/__init__.py", line 380, in index
    body=body,
  File "/usr/local/lib/python3.7/site-packages/elasticsearch/transport.py", line 352, in perform_request
    timeout=timeout,
  File "/usr/local/lib/python3.7/site-packages/elasticsearch/connection/http_urllib3.py", line 256, in perform_request
    self._raise_error(response.status, raw_data)
  File "/usr/local/lib/python3.7/site-packages/elasticsearch/connection/base.py", line 288, in _raise_error
    status_code, error_message, additional_info
elasticsearch.exceptions.RequestError: RequestError(400, 'illegal_argument_exception', 'mapper [result.args] of different type, current_type [long], merged_type [text]')

Steps to Reproduce

Required Dependencies

• Minimal Python Version: 3.7
• Minimal Celery Version: 4.4.0
• Minimal OS and/or Kernel Version: ubuntu

Python Packages

pip freeze Output:

uvicorn==0.11.3
fastapi>=0.61.0
fastapi_permissions==0.2.6
python_multipart==0.0.5
email_validator==1.0.5
requests==2.23.0
celery==4.4.7

Other Dependencies

Details

N/A

Minimally Reproducible Test Case

Details

Expected Behavior

Expected to Save the result backend as Object to elastic search, So I will be able to use it in the dashboard.

Actual Behavior

The result object is saved as text, and after trying all the solutions found after the search, I still have errors and not able to the result backend to elastic search.

[imadmoussa1]

@thedrow yes, it's the same problem.