Bugfix/63173 k8s unicode log read#63673
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jscheffl merged 6 commits intoapache:mainfrom Mar 16, 2026
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…read_logs When pod output contains non-UTF-8 bytes (e.g. binary data from tqdm progress bars, truncated multi-byte sequences at chunk boundaries), kubernetes_asyncio's internal decode raises UnicodeDecodeError, crashing the entire task. Catch UnicodeDecodeError and retry with _preload_content=False to get raw bytes, then decode with errors='replace' so logging continues without killing the task. Closes apache#63173
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Like to this is now also fixed in the Kubernetes use case.
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* fix(providers/k8s): handle UnicodeDecodeError in AsyncKubernetesHook.read_logs When pod output contains non-UTF-8 bytes (e.g. binary data from tqdm progress bars, truncated multi-byte sequences at chunk boundaries), kubernetes_asyncio's internal decode raises UnicodeDecodeError, crashing the entire task. Catch UnicodeDecodeError and retry with _preload_content=False to get raw bytes, then decode with errors='replace' so logging continues without killing the task. Closes apache#63173 * Fix mypy * Fix pytest in GKE * Fix pytest in GKE, use AsyncMock * Fix pytest in GKE, fix assert --------- Co-authored-by: Yoann Abriel <yoann.abriel@gmail.com>
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Follow-up of PR #63282 by @YoannAbriel - thanks for the pre-work!
As this issue is kind of important to us, I am following-up on a fix for the problem. Took over the commits into a new branch/PR and fixing mypy and pytests. Hope getting it green and to main now.
Was generative AI tooling used to co-author this PR?
{pr_number}.significant.rst, in airflow-core/newsfragments. You can add this file in a follow-up commit after the PR is created so you know the PR number.