dify - 💡(How to fix) Fix Got error msg: fork/exec /usr/local/bin/python3: no such file or directory [1 comments, 2 participants]

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langgenius/dify#35602Fetched 2026-04-28 06:50:36
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Error Message

<img width="1921" height="244" alt="Image" src="https://github.com/user-attachments/assets/fd26abc7-945c-49d1-b90f-10dd7754275f" />When clicking "Run" to report a log exception, I get the error message: "fork/exec /usr/local/bin/python3: no such file or directory". What could be the reason for this? How can I resolve it?

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Dify version

V1.13.3

Cloud or Self Hosted

Self Hosted (Docker)

Steps to reproduce

<img width="1806" height="809" alt="Image" src="https://github.com/user-attachments/assets/75d076f6-a505-4e21-9fd6-e4864a8b6311" />

<img width="1921" height="244" alt="Image" src="https://github.com/user-attachments/assets/fd26abc7-945c-49d1-b90f-10dd7754275f" />When clicking "Run" to report a log exception, I get the error message: "fork/exec /usr/local/bin/python3: no such file or directory". What could be the reason for this? How can I resolve it?

✔️ Expected Behavior

Clicking the "Run" button on my system can execute the workflow normally

❌ Actual Behavior

No response

extent analysis

TL;DR

The error "fork/exec /usr/local/bin/python3: no such file or directory" suggests that the Python 3 executable is not found in the expected location, which needs to be resolved for the workflow to execute normally.

Guidance

  • Verify that Python 3 is installed and properly configured in the Docker environment.
  • Check the Docker image configuration to ensure it includes Python 3 and that the executable path is correctly set to /usr/local/bin/python3.
  • Consider updating the Docker image or the workflow configuration to use a different Python executable path if necessary.
  • Ensure that the python3 command is executable and in the system's PATH within the Docker container.

Example

No specific code snippet can be provided without more details on the Docker configuration or the workflow script. However, a simple check for Python 3 availability in the Docker container can be done by running a command like docker exec -it <container_id> /bin/bash and then checking for Python with which python3 or python3 --version.

Notes

The issue seems to be related to the Docker environment and Python 3 installation. Without more specific details about the Docker image, workflow script, or how Python 3 is installed and configured, it's challenging to provide a precise fix.

Recommendation

Apply a workaround by checking and adjusting the Python 3 installation and executable path within the Docker container to match what the workflow expects. This might involve updating the Docker image to include Python 3 or modifying the workflow to use a different Python executable path.

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