Question

我正在尝试下载文件，但是我收到HTTP错误502.3，问题是我正在压缩的文件夹太大（300 MB）。拉链尚未完成拉链。因此错误

我也累了没有等待Task.Run：像这样：

ZipFile.CreateFromDirectory($"{tempFolder}\\somefolder", $"tempFolder}\\somefolder.zip");

任何想法/提示？

感谢＆＃39; S

    public async Task<IActionResult> DownloadFileAsync()
    {
        string tempFolder = this.hostingEnvironment.WebRootPath + $"\\temp\\";

        #region Zip and delete Folder
        await Task.Run(() => ZipFile.CreateFromDirectory($"{tempFolder}\\somefolder", $"{tempFolder}\\somefolder.zip")); // zip the big folder

        if (Directory.Exists($"{tempFolder}\\somefolder"))
        {
            try
            {
                Directory.Delete($"{tempFolder}\\somefolder", true);
            }
            catch (Exception)
            {
                throw new Exception($"Failed to delete {$"{tempFolder}\\somefolder"}");
            }
        }

        #endregion Zip and delete Folder

        var memory = new MemoryStream();
        using (var stream = new FileStream($"{tempFolder}\\somefolder.zip", FileMode.Open))
        {
            await stream.CopyToAsync(memory);
        }
        memory.Position = 0;

        return File(memory, "application/zip", $"somefolder.zip");
    }

Answer 1

所以这是一个超时问题：

https://github.com/aspnet/AspNetCoreModule/issues/48

增加20分钟的时间：）

<system.webServer>
  <aspNetCore requestTimeout="00:20:00" ... />
</system.webServer>

Zip文件导致HTTP错误502.3 Asp Core 2.0

1 个答案: