使用零字节源对象的 PUT 对象副本有时会挂起

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适用场景

StorageGRID 11.4

问题描述

如果CopyObject 源对象为零字节，则 S3 API 失败。
CopyObject 通过 cURL 发出时冻结，不显示错误弹出窗口：

$ ... curl -iksS -X PUT <url>/<destination-bucket>/<zero-byte-object-copy> -H content-length:0 -H x-amz-content-sha256:<content-sha256> -H x-amz-copy-source:/<source-bucket>/<zero-byte-object> -H x-amz-date:<YYYYmmddTHHMMSSZ> -H Authorization:AWS4-HMAC-SHA256 Credential=<credential>,SignedHeaders=<headers>,Signature=<signature> ^C << command hangs and is aborted manually $

CopyObjectAWS 命令行发出失败并显示错误 Read timeout on endpoint URL：

$ aws s3api --debug --endpoint-url <url> --no-verify-ssl copy-object --bucket <destination-bucket> --key <zero-byte-object-copy> --copy-source /<source-bucket>/<zero-byte-object> ... Read timeout on endpoint URL: "<url>/<destination-bucket>/<zero-byte-object-copy>" $

CopyObject 成功处理非零字节源对象。
发出 s3 cp 将零字节文件复制到其他名称的命令 Read timed out 时出错：

DEBUG - retry needed, retryable exception caught: HTTPSConnectionPool(host='hostname', port=xxx): Read timed out. (read timeout=xx)