read_file masking real errors as File Not Found
Cluster 44750 · agent. Data as of
3 open items. Fix merged in #103678 on 5 Sep 2026. Check it covers your case.
The short answer
- Known?
- Yes. 7 related items grouped here, 1 issue already closed.
- Fix event
- A fix was merged to main in PR #103678. Check it covers your case. No release data is tracked.
- Tracker
- The maintainers' tracker marks this
partially resolved, deciding PR #103678. That is separate from the fix event. - Still open
- 1 issue and 2 PRs.
Next step: read #103678, then check whether your report is the one still open.
Read #103678Pick up a Lab taskA bug where read_file and related tools incorrectly report 'File not found' when the actual cause is an interrupted read or environment/exec failure. Multiple fixes aim to preserve and surface the true underlying error.
Open issues1
- Issue#63069read_file falsely reports "File not found" when interrupted mid-read (wc -c subprocess killed on SSE disconnect)
Open PRs2
Fixes on record
-
#103678 fix(tools): a sandbox that cannot exec is reported as 'environment unavailable', not a false 'File not found' (#44750, salvage #44753)
files:
contributors/emails/[redacted:email],tests/tools/test_file_ops_env_not_ready.py,tools/file_operations.py
2 PRs closed without merging
From the close comments: superseded by another PR 1 · other 1
Closed issues · 1
- Closed#44750[Bug]: read_file/search_files report 'File not found' for existing files when the docker env isn't ready (exec failure conflated with missing file)
How this cluster was grouped
-
Link evidence (
partly structural links): some members are connected by structural evidence (shared changed files, or a closing/superseded reference); the rest are joined by an automated relevance judgement over their text. - Members outside that structural core may belong to a different underlying problem.
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Pairwise link density
0.26: the share of item pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36.1.00means every pair is linked.
Pick up a Lab task
Check whether a fix covers the open issues here, with your own agent. Bring back evidence for maintainers.
Open the LabAt a glance
- Subsystem
- agent
- Merged PRs
- #103678
- Closed issues
- 1
- Attempts
- 2 PRs closed without merging
- Fix link checked
- 5 Sep 2026