Di Xu created FLINK-19389:
-----------------------------
Summary: Error determining python major version to start
fileserver during e-2-e tests
Key: FLINK-19389
URL: https://issues.apache.org/jira/browse/FLINK-19389
Project: Flink
Issue Type: Bug
Components: Tests
Reporter: Di Xu
Currently the logic to determine python version in command-docker.sh[1] has an
error:
* when there is only python3 installed, `command -v python` also returns 0 and
then `python (actually 3) python2_fileserver.py` will be executed then it
causes an error
* in the case of python version management tool pyenv[2] is used, the soft
link to python3 would exist even if use switched to python2, so simply check
python3 first will NOT solve the problem.
The suggested way to run:
python -c 'import sys; print(sys.version_info.major)'
[1]
[https://github.com/apache/flink/blob/master/flink-end-to-end-tests/test-scripts/common_docker.sh#L57]
[2] [https://github.com/pyenv/pyenv]
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