go
io_error
ai_generated
true
错误:io:在已关闭的管道上读/写(缓冲区太小,无法进行原子写入)
error: io: read/write on closed pipe (buffer too small for atomic write)
ID: go/io-copy-buffer-too-small
80%修复率
81%置信度
0证据数
2024-04-20首次发现
版本兼容性
| 版本 | 状态 | 引入 | 弃用 | 备注 |
|---|---|---|---|---|
| 1.20 | active | — | — | — |
| 1.21 | active | — | — | — |
根因分析
使用io.Copy时缓冲区太小,无法进行原子操作,导致部分写入和管道关闭。
English
Using io.Copy with a buffer that is too small for atomic operations, causing partial writes and pipe closure.
解决方案
-
90% 成功率 Use io.Copy with default buffer or specify larger buffer
buf := make([]byte, 32*1024) // 32KB buffer _, err := io.CopyBuffer(dst, src, buf) if err != nil { /* handle */ }
无效尝试
常见但无效的做法:
-
Increasing buffer size arbitrarily
50% 失败
May not fix underlying issue; use io.CopyBuffer with larger buffer.