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Posted to commits@airflow.apache.org by "michaltarana (via GitHub)" <gi...@apache.org> on 2026/03/10 00:39:38 UTC

[I] psycopg2 UnicodeDecodeError in Docker [airflow]

michaltarana opened a new issue, #63235:
URL: https://github.com/apache/airflow/issues/63235

   ### Apache Airflow version
   
   3.1.7
   
   ### If "Other Airflow 3 version" selected, which one?
   
   _No response_
   
   ### What happened?
   
   Using the official Docker image and docker-compose.yaml, Postgres DB. The database seems to be created correctly (airflow-init runs without any errors). However, the containers seem to have a problem to connect to the DB backend. When I try (inside the apiserver container)
   airflow db migrate
   I get the following error:
   `...
     File "/home/airflow/.local/lib/python3.12/site-packages/sqlalchemy/engine/create.py", line 661, in connect
       return dialect.connect(*cargs, **cparams)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
     File "/home/airflow/.local/lib/python3.12/site-packages/sqlalchemy/engine/default.py", line 630, in connect
       return self.loaded_dbapi.connect(*cargs, **cparams)  # type: ignore[no-any-return]  # NOQA: E501
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
     File "/home/airflow/.local/lib/python3.12/site-packages/psycopg2/__init__.py", line 122, in connect
       conn = _connect(dsn, connection_factory=connection_factory, **kwasync)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   UnicodeDecodeError: 'utf-8' codec can't decode byte 0xcb in position 135: invalid continuation byte
   `
   The same error appears when I try to test or trigger any dag from the CLI inside the container. All the dags triggered from the UI fail, as well.
   
   ### What you think should happen instead?
   
   _No response_
   
   ### How to reproduce
   
   1. Install Docker version of Apache Airflow 3.1.7 (configure inside docker-compose.yml)
   2. Run `docker compose up airflow-init`
   3. Run `docker compose --profile server up --wait`
   4. Run `docker compose exec -u airflow airflow-apiserver sh`
   5. Run `airflow db migrate` or any other airflow command that makes a DB query
   One should see the error mentioned above.
   
   ### Operating System
   
   Debian GNU/Linux 12
   
   ### Versions of Apache Airflow Providers
   
   Only the providers included in the official Docker images.
   
   ### Deployment
   
   Docker-Compose
   
   ### Deployment details
   
   Docker Compose version v5.1.0
   
   ### Anything else?
   
   The problem appeared with the upgrade from Apache Airflow 3.0.3.
   
   ### Are you willing to submit PR?
   
   - [ ] Yes I am willing to submit a PR!
   
   ### Code of Conduct
   
   - [x] I agree to follow this project's [Code of Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)
   


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Re: [I] psycopg2 UnicodeDecodeError in Docker [airflow]

Posted by "potiuk (via GitHub)" <gi...@apache.org>.
potiuk closed issue #63235: psycopg2 UnicodeDecodeError in Docker
URL: https://github.com/apache/airflow/issues/63235


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