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[SR-11549] Siwft 5.1 URLSession on Linux fails to handle multiple concurrent requests #3287

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mman opened this issue Sep 30, 2019 · 1 comment
Open

[SR-11549] Siwft 5.1 URLSession on Linux fails to handle multiple concurrent requests #3287

mman opened this issue Sep 30, 2019 · 1 comment
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5.1Regression bug Foundation

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@mman
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mman commented Sep 30, 2019

Previous ID SR-11549
Radar None
Original Reporter @mman
Type Bug
Environment

Linux swift 5.1 official docker images.

Additional Detail from JIRA
Votes 0
Component/s Foundation
Labels Bug, 5.1Regression
Assignee None
Priority Medium

md5: c3716475689507449e1c8bc858645f4f

Issue Description:

I have made a simple test program that repeatedly fires multiple concurrent HTTP POST requests against a server, StatHat.com in the example.

The program sends 30 simultaneous requests every 30 seconds and works great under Swift 5.0 under Linux and Mac, and fails under Swift 5.1 Linux. Works under Swift 5.1 Mac.

https://github.com/mman/swifty-request-failer

The expected output is that all https requests finish within several seconds with HTTP status code 204. Under Linux 5.1 couple of them do finish but rest starts timing out with error code 1001.
@weissi
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weissi commented Oct 2, 2019

I'm almost certain the root cause for this is https://bugs.swift.org/browse/SR-11557

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@shahmishal shahmishal transferred this issue from apple/swift May 5, 2022
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@mman @weissi