在写入所有字节之前无法关闭流 [英] Cannot close stream until all bytes are written

问题描述

我正在向 API 服务器发送 POST 请求，并且我重用了之前在其他服务器上成功完成此操作的代码，但出于某种原因，我不知道为什么，它不起作用.我收到错误:

I am sending a POST request to an API server and I have reused code where I have successfully done this before on other servers and for some reason, which I cannot figure out why, it's not working. I get the error:

在写入所有字节之前无法关闭流."

"Cannot close stream until all bytes are written."

即使我正确地声明了内容长度并且我不确定我在这里遗漏了什么......

even though I declared the content length correctly and I am not sure what I am missing here...

            data = data + "</posts>"
            Dim postBytes As [Byte]() = Encoding.UTF8.GetBytes(data)
            Thread.Sleep(10000)
            track = data
            If uri.Scheme = uri.UriSchemeHttps Then
                Dim request As HttpWebRequest = HttpWebRequest.Create(url)
                request.Method = "POST"

'//通常我只使用 request.contentlength = postbytes.length 或 data.length

' //normally I just use request.contentlength = postbytes.length or data.length

                request.ContentLength = System.Text.Encoding.UTF8.GetByteCount(data)
                request.ContentType = "application/xml"
                request.KeepAlive = False
                request.Timeout = 120000
           request.Credentials = New  System.Net.NetworkCredential("xxxxxxxxxxxx",  "xxxxxxxxx")

                Using writer As New StreamWriter(request.GetRequestStream(), Encoding.UTF8)
                    writer.Write(postBytes)
                    writer.Flush()
                    writer.Close()
                End Using
                Using oResponse As HttpWebResponse = request.GetResponse()
                    Dim reader As New StreamReader(oResponse.GetResponseStream())
                    responseData = reader.ReadToEnd()
                    reader.Close()
                    oResponse.Close()
                End Using
                request.Abort()

            End If

        End If
    Catch e As WebException

....

推荐答案

 Dim writer As Stream = request.GetRequestStream()
                writer.Write(postBytes, 0, postBytes.Length)
                writer.Close()

如上更改我的代码

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