无法发送数据包：sftp出现EOF错误

如何解决无法发送数据包：sftp出现EOF错误

我正在Go中使用SFTP模块。我的代码能够轮询和读取某些文件，但是在特定阶段之后面临此错误。读取文件后，我将对另一个应用程序进行HTTP调用以传递文件。 HTTP呼叫的超时为120秒，但我尚未为ssh / sftp客户端设置任何超时。发布我正在使用的代码。帮我弄清楚为什么会发生此错误。 http调用多次失败，导致每次等待120秒。我想念什么吗？

package main

import (
    "encoding/json"
    "fmt"
    "io"
    "io/ioutil"
    "os"
    "os/exec"
    "time"

    "github.com/pkg/sftp"
    "golang.org/x/crypto/ssh"
)

func getFiles() {
    sshconfig.SetDefaults()
    cipherOrder := sshconfig.Ciphers
    sshconfig.Ciphers = append(cipherOrder,"aes256-cbc","3des-cbc")

    config := &ssh.ClientConfig{
        User:            user,HostKeyCallback: ssh.InsecureIgnoreHostKey(),Auth: []ssh.AuthMethod{
            ssh.Password(pwd),},Config: sshconfig,}

    // connect to the server
    client,err := ssh.Dial("tcp",host,config)
    if err != nil {
        log.Println("Failed to dial")
        panic(err)
    }

    log.Println("SUCCESSFULLY CONNECTED TO SFTP SERVER")

    // open an SFTP session over an existing ssh connection.
    sftp,err := sftp.NewClient(client)
    if err != nil {
        log.Println("Failed to establish an SSH session!")
        panic(err)
    }
    log.Println("Established an SSH session!")

    defer sftp.Close()

    //read files from the root directory
    files,err = sftp.ReadDir(folder)
    if err != nil {
        log.Println("Unable to read sftp directory")
        panic(err)
    }

    log.Println("OPENED DIRECTORY")

    for file := range files {
        fileName := files[file].Name()
        log.Println("Found file inside dir: ",fileName)

        // Open the source file
        srcFile,err := sftp.Open(folder + fileName)
        if err != nil {
            log.Println("Unable to open file")  //it is failing here
            panic(err)                          // failed to send packet: EOF
        }
        
        log.Println("Opened file")

        //create file in input directory
        dstFile,err := os.Create(inputDest + fileName)
        if err != nil {
            log.Println("Unable to create destination file")
            panic(err)
        }

        log.Println("Created destination file")
        // defer dstFile.Close()

        // Copy the file
        srcFile.WriteTo(dstFile)
        
        log.Println("Copied contents from source to destination file.")
        
        dstFile.Close()
        srcFile.Close()

        //read file to bytes
        bodyBytes,err := ioutil.ReadFile(inputDest + fileName)
        if err != nil {
            log.Println("Unable to read file to parse!")
            panic(err)
        }

        log.Println("Read file to pass on to second application!")

        //Http call with timeout 120s
    }
}