RecursionError: maximum recursion depth exceeded

[obstinacy26]

Describe your environment

OS: (e.g, Ubuntu) Python version: Python 3.12.9 SDK version: 1.30 API version: 1.30

What happened?

          ^^^^^^^^^^^^^
  File "/home/admin/.venv/lib/python3.12/site-packages/opentelemetry/instrumentation/urllib3/__init__.py", line 316, in instrumented_urlopen
    return wrapped(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/admin/.venv/lib/python3.12/site-packages/urllib3/connectionpool.py", line 787, in urlopen
    response = self._make_request(
               ^^^^^^^^^^^^^^^^^^^
  File "/home/admin/.venv/lib/python3.12/site-packages/urllib3/connectionpool.py", line 464, in _make_request
    self._validate_conn(conn)
  File "/home/admin/.venv/lib/python3.12/site-packages/urllib3/connectionpool.py", line 1093, in _validate_conn
    conn.connect()
  File "/home/admin/.venv/lib/python3.12/site-packages/urllib3/connection.py", line 741, in connect
    sock_and_verified = _ssl_wrap_socket_and_match_hostname(
                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/admin/.venv/lib/python3.12/site-packages/urllib3/connection.py", line 873, in _ssl_wrap_socket_and_match_hostname
    context = create_urllib3_context(
              ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/admin/.venv/lib/python3.12/site-packages/urllib3/util/ssl_.py", line 293, in create_urllib3_context
    context.minimum_version = TLSVersion.TLSv1_2
    ^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/python3/lib/python3.12/ssl.py", line 545, in minimum_version
    super(SSLContext, SSLContext).minimum_version.__set__(self, value)
  File "/usr/local/python3/lib/python3.12/ssl.py", line 545, in minimum_version
    super(SSLContext, SSLContext).minimum_version.__set__(self, value)
  File "/usr/local/python3/lib/python3.12/ssl.py", line 545, in minimum_version
    super(SSLContext, SSLContext).minimum_version.__set__(self, value)
  [Previous line repeated 851 more times]
  File "/usr/local/python3/lib/python3.12/ssl.py", line 543, in minimum_version
    if value == TLSVersion.SSLv3:
                ^^^^^^^^^^^^^^^^
RecursionError: maximum recursion depth exceeded

Steps to Reproduce

when request or httpx will reproduce

Expected Result

post traces correct

Actual Result

RecursionError: maximum recursion depth exceeded

Additional context

No response

Would you like to implement a fix?

None

[chiehw]

I have same question.

[1inuxboy]

Title: maximum recursion depth exceeded error when using OpenTelemetry with Flask and Python 3.12.9

Body:

Hi OpenTelemetry team,

I'm encountering a maximum recursion depth exceeded error in my Python application when using OpenTelemetry auto-instrumentation.

✅ Environment:

• Python version: 3.12.9
• Framework: Flask
• Instrumentation method: OpenTelemetry Operator
• Auto-instrumentation image:

  ghcr.io/open-telemetry/opentelemetry-operator/autoinstrumentation-python:0.51b0
  

✅ OpenTelemetry environment variables:

python:
  env:
  - name: OTEL_EXPORTER_OTLP_ENDPOINT
    value: http://*** 
  - name: OTEL_PYTHON_LOGGING_AUTO_INSTRUMENTATION_ENABLED
    value: "true"

⚠️ Error:

2025-04-11 08:45:50,191.191 WARNING [Dummy-4] [****_file.py:76] [...] - ****: maximum recursion depth exceeded

This issue occurs when my application uploads an image file to an object storage service. The failure happens deep inside the request logic, and the log shows a recursion depth error.

✅ Additional Info:

I can also see OpenTelemetry sending traces successfully:

http://****-collector.****:4318 "POST /v1/traces HTTP/11" 200 2

But this recursion issue is affecting functionality and stability.

---

🙏 Request:

Could this be related to how logging is auto-instrumented in recent versions of the auto-instrumentation image? Any suggested workaround or fix?

Note: If I disable auto-instrumentation, this issue does not occur.

Let me know if more debug info (e.g., full traceback or minimal example) is helpful.

Thanks a lot! 🙏

[xrmx]

Do you have a reproducer? Which version of urllib3?

[victor-afolabi]

Don't know if this helps but setting otel_logger.propagate = False worked for me.

[1inuxboy]

Do you have a reproducer? Which version of urllib3?

My version of urllib3 is 2.2.3, and the version of opentelemetry-instrumentation-urllib3 is 0.51b0.

---

root@dify-api-v2:/app/api# pip show urllib3
Name: urllib3
Version: 2.2.3
Summary: HTTP library with thread-safe connection pooling, file post, and more.
Home-page: 
Author: 
Author-email: Andrey Petrov <[email protected]>
License: 
Location: /otel-auto-instrumentation
Requires: 
Required-by: botocore, clickhouse-connect, docker, elastic-transport, kubernetes, mailchimp-transactional, opensearch-py, qdrant-client, requests, sagemaker, sentry-sdk, types-requests, volcengine-python-sdk
root@dify-api-v2:/app/api# python -m pip list | grep urllib3
opentelemetry-instrumentation-urllib3         0.51b0
urllib3                                       2.2.3

[1inuxboy]

Don't know if this helps but setting otel_logger.propagate = False worked for me.

Thank you very much. I test it in my enviroment，but the aforementioned error still occurs.

[minimAluminiumalism]

I suspect this issue is caused by gevent. Maybe you used the code from Dify? https://github.com/langgenius/dify/blob/8299614e602925208ae98cef6ed3c1ec56d257df/api/docker/entrypoint.sh#L35

[minatooni]

This works for me

Don't know if this helps but setting otel_logger.propagate = False worked for me.

from logging import getLogger
otel_logger = getLogger("opentelemetry")
otel_logger.propagate = False