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[BUG]Error 502 when downloading blobs bigger than 8MB from Azure Front Door #44110

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alexdalzoto opened this issue May 17, 2024 · 2 comments
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Client This issue points to a problem in the data-plane of the library. customer-reported Issues that are reported by GitHub users external to the Azure organization. needs-team-attention This issue needs attention from Azure service team or SDK team question The issue doesn't require a change to the product in order to be resolved. Most issues start as that Service Attention This issue is responsible by Azure service team. Storage Storage Service (Queues, Blobs, Files)

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@alexdalzoto
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Library name and version

Azure.Storage.Blobs 12.20.0

Describe the bug

Getting error 502 when downloading blobs through Azure Front Door CDN. The Download works using any browser and the HttpClient library. and after the blob is cached for the first time the download is working as well.

Expected behavior

Complete the download the same as smaller blobs

Actual behavior

Error 502 when downloading blobs bigger than 8MB

Reproduction Steps

Download any blob bigger than 8MB through Azure Front Door

Environment

No response

@github-actions github-actions bot added Client This issue points to a problem in the data-plane of the library. customer-reported Issues that are reported by GitHub users external to the Azure organization. needs-team-attention This issue needs attention from Azure service team or SDK team question The issue doesn't require a change to the product in order to be resolved. Most issues start as that Service Attention This issue is responsible by Azure service team. Storage Storage Service (Queues, Blobs, Files) labels May 17, 2024
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Thanks for the feedback! We are routing this to the appropriate team for follow-up. cc @xgithubtriage.

@alexdalzoto
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Ok. So I found out that removing the request header "x-ms-range" solves the problem, but I still don't understand why. Since the origin is Azure Storage and, according to the documentation, it should accept range requests since version "2011-01-18," and the request is passing version "2024-05-04"

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Labels
Client This issue points to a problem in the data-plane of the library. customer-reported Issues that are reported by GitHub users external to the Azure organization. needs-team-attention This issue needs attention from Azure service team or SDK team question The issue doesn't require a change to the product in order to be resolved. Most issues start as that Service Attention This issue is responsible by Azure service team. Storage Storage Service (Queues, Blobs, Files)
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