Supervisor/supervisor

I/O operation on closed file

Open

#984 建立於 2017年8月24日

在 GitHub 查看
 (3 留言) (0 反應) (0 負責人)Python (7,941 star) (1,233 fork)batch import
help wantedlogging

描述

Hello.

Using supervisor 3.3.3 on OS X, installed through brew.

The system seems to work 'ok'; but the error file is a torrent of errors such as these (below). Any hints appreciated.

2017-08-24 13:34:04,513 CRIT uncaptured python exception, closing channel <POutputDispatcher at 4318273408 for <Subprocess at 4316929848 with name central-worker-engine-2 in state RUNNING> (stdout)> (<type 'exceptions.ValueError'>:I/O operation on closed file [/usr/local/Cellar/supervisor/3.3.3/libexec/lib/python2.7/site-packages/supervisor/supervisord.py|runforever|227] [/usr/local/Cellar/supervisor/3.3.3/libexec/lib/python2.7/site-packages/supervisor/dispatchers.py|handle_read_event|232] [/usr/local/Cellar/supervisor/3.3.3/libexec/lib/python2.7/site-packages/supervisor/dispatchers.py|record_output|166] [/usr/local/Cellar/supervisor/3.3.3/libexec/lib/python2.7/site-packages/supervisor/dispatchers.py|_log|142] [/usr/local/Cellar/supervisor/3.3.3/libexec/lib/python2.7/site-packages/supervisor/loggers.py|info|275] [/usr/local/Cellar/supervisor/3.3.3/libexec/lib/python2.7/site-packages/supervisor/loggers.py|log|293] [/usr/local/Cellar/supervisor/3.3.3/libexec/lib/python2.7/site-packages/supervisor/loggers.py|emit|186] [/usr/local/Cellar/supervisor/3.3.3/libexec/lib/python2.7/site-packages/supervisor/loggers.py|doRollover|211])

貢獻者指南

技術棧
python
領域
backend
議題類型
bug
難度面向新貢獻者的預計實作難度，1 表示很小改動，5 表示專家級工作。
3
預計時間有經驗貢獻者完成調查、實作、測試並準備 pull request 的粗略時間範圍。
half day
活動狀態議題目前的可參與程度：新鮮、活躍、陳舊、阻塞或等待維護者輸入。
stale
清晰度議題是否清楚說明預期改動、驗收標準和下一步。
clear
前置要求
Python basicsunderstanding of file I/O
新手友善度1-100 的估計分數，表示該議題對首次貢獻者的友善程度。
50
研究方向
Investigate the traceback in the issue: supervisord.py line 227 calls runforever, dispatchers.py line 232 handle read event, line 166 record output, line 142 log, and loggers.py line 275 info, line 293 log, line 186 emit, line 211 doRollover. The error 'I/O operation on closed file' suggests a file handle is being used after close. Look at the log rotation logic (doRollover) and ensure it handles file closure correctly. Check if the issue is reproducible with current version. Review any linked issues or comments for context.