{"record":{"id":"6a8ba60918a6852f","repo":"flipped-aurora/gin-vue-admin","slug":"function-client-deleteobject-failed-err-6a8ba6","errorCode":null,"errorMessage":"function client.DeleteObject() failed, err:","messagePattern":"function client\\.DeleteObject\\(\\) failed, err:","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"server/utils/upload/cloudflare_r2.go","lineNumber":67,"sourceCode":"\n\treturn fmt.Sprintf(\"%s/%s\", global.GVA_CONFIG.CloudflareR2.BaseURL, fileName), fileKey, nil\n}\n\nfunc (c *CloudflareR2) DeleteFile(ctx context.Context, key string) error {\n\tclient, err := c.newR2Client()\n\tif err != nil {\n\t\treturn err\n\t}\n\tfilename := global.GVA_CONFIG.CloudflareR2.Path + \"/\" + key\n\tbucket := global.GVA_CONFIG.CloudflareR2.Bucket\n\n\t_, err = client.DeleteObject(context.TODO(), &s3.DeleteObjectInput{\n\t\tBucket: aws.String(bucket),\n\t\tKey:    aws.String(filename),\n\t})\n\tif err != nil {\n\t\tlogger.WithCtx(ctx).Mod(\"upload\").Err(err).Error(\"function client.DeleteObject() failed\")\n\t\treturn errors.New(\"function client.DeleteObject() failed, err:\" + err.Error())\n\t}\n\n\twaiter := s3.NewObjectNotExistsWaiter(client)\n\t_ = waiter.Wait(context.TODO(), &s3.HeadObjectInput{\n\t\tBucket: aws.String(bucket),\n\t\tKey:    aws.String(filename),\n\t}, 30*time.Second)\n\n\treturn nil\n}\n\n// Exists 检查对象是否存在。404 统一降级为 (false, nil)。\nfunc (c *CloudflareR2) Exists(ctx context.Context, key string) (bool, error) {\n\tclient, err := c.newR2Client()\n\tif err != nil {\n\t\treturn false, err\n\t}\n\tbucket := global.GVA_CONFIG.CloudflareR2.Bucket","sourceCodeStart":49,"sourceCodeEnd":85,"githubUrl":"https://github.com/flipped-aurora/gin-vue-admin/blob/3136500ef380842b0eb6c4daa87c3f8a47fcf9e0/server/utils/upload/cloudflare_r2.go#L49-L85","documentation":"CloudflareR2.DeleteFile issues a DeleteObject call against the R2 (S3-compatible) endpoint; any SDK error from that call is wrapped in this message. The deletion API itself rejected the request — network, auth, or permission problem. Note DeleteObject is idempotent in S3 semantics; this error means the request failed, not that the key was missing.","triggerScenarios":"DeleteFile(ctx, filename) when: credentials invalid, endpoint/bucket wrong, network to the R2 endpoint fails, or the token lacks permission to delete objects in the bucket.","commonSituations":"Rotated R2 API token still cached in config, wrong bucket name in CloudflareR2.Bucket, custom endpoint missing the account ID, firewall/DNS preventing access to <account>.r2.cloudflarestorage.com, R2 service incident.","solutions":["Verify CloudflareR2 config: Bucket, endpoint (https://<account>.r2.cloudflarestorage.com), AccessKey, SecretAccessKey","Confirm the R2 API token has Object Read & Write permission for the bucket","Check the wrapped err text: SignatureDoesNotMatch -> wrong secret; AccessDenied -> token lacks delete permission; DNS/timeout -> network issue","After fixing config, restart the server so the credentials are reloaded","Test with aws CLI --endpoint-url against the same bucket to isolate app vs. account issues"],"exampleFix":"// before\nEndpoint: \"https://r2.cloudflarestorage.com\" // missing account id\n// after\nEndpoint: \"https://<your-account-id>.r2.cloudflarestorage.com\"","handlingStrategy":"retry","validationCode":"if cfg.Bucket == \"\" || !strings.Contains(cfg.Endpoint, \"r2.cloudflarestorage.com\") {\n    return errors.New(\"R2 endpoint/bucket misconfigured\")\n}","typeGuard":"null","tryCatchPattern":"err := uploader.DeleteFile(ctx, filename)\nif err != nil {\n    var re *smithy.OperationError\n    if errors.As(err, &re) {\n        // network-level: safe to retry, DeleteObject is idempotent\n        return retry(3, func() error { return uploader.DeleteFile(ctx, filename) })\n    }\n    return err\n}","preventionTips":["Rotate R2 tokens centrally and redeploy/reload config on rotation","Give the token Object Read & Write on the target bucket only","Use the full endpoint https://<account-id>.r2.cloudflarestorage.com","Treat delete as idempotent: if the object is already gone, the delete is a success"],"tags":["cloudflare-r2","s3","delete","storage"],"backgroundTag":"s3-delete-object-failed","analyzedSha":"3136500ef380842b0eb6c4daa87c3f8a47fcf9e0","analyzedAt":"2026-08-31T13:50:02.721Z","schemaVersion":2},"datasetVersion":"2026-08-31T19:17:28.585Z"}