Interrupted large file upload loses the interrupt flag and keeps uploading parts
維護者通常 3 天內回覆
還沒有人認領這個 Issue。
評估
研究方向
Start with the two catch (InterruptedException e) blocks in core/src/main/java/com/backblaze/b2/client/B2LargeFileStorer.java, around lines 285-287 (storeFile) and 336-338 (storeParts), and follow the async chain in storeFileAsync around lines 304-312. Compare them with the handling at B2LargeFileUploader.java line 230, which restores the interrupt flag. Done means the interrupt flag is restored and pending part uploads are cancelled, checked by a test that interrupts a thread while a slow part storer is running.
由索引模型根據 Issue 內容生成。
描述
What happens
If the calling thread is interrupted while B2LargeFileStorer.storeFile() or storeParts() is waiting on the upload, the method throws a B2LocalException but does not call Thread.currentThread().interrupt() and does not cancel the part uploads. The caller is told the upload failed, while parts (and the final finish step chained to them) can keep running in the executor.
Where
core/src/main/java/com/backblaze/b2/client/B2LargeFileStorer.java:285-287 (storeFile) and :336-338 (storeParts), the catch (InterruptedException e) blocks; the chain that keeps running is storeFileAsync at about :304-312. For comparison, B2LargeFileUploader.java:229-231 does call Thread.currentThread().interrupt() in the same situation.
Why it matters
Impact: Wrong request or result (failure reported while work continues, and the interrupt flag is lost without any message). Severity: High, because it only happens when a thread is interrupted during a large upload (unusual), and there is no workaround: a caller cannot tell whether the file was later finished.
How to check
Found by reading the code, not reproduced. Read the two catch blocks and compare them with B2LargeFileUploader at line 230. A test could start storeFile with a slow part storer, interrupt the thread, and check Thread.currentThread().isInterrupted() and whether the part storers are still running.
Version
Seen at v6.5.0. Present on the default branch: present.
- 主要語言
- Java
- 星號
- 103
- 分支
- 23
- 平均合併
- 5 天 8 小時
- 30 天內合併 PR
- 3
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