who can solve this problem?
在 2017年10月30日星期一 UTC+8下午2:55:27，28911...@gmail.com写道：
>
> I write this code in the follwings:
> package main
>
> import (
> "fmt"
> "net"
> "os"
> )
>
> func main() {
> service := ":5000"
> tcpAddr, err := net.ResolveTCPAddr("tcp", service)
> checkError(err)
> listener, err := net.ListenTCP("tcp", tcpAddr)
> checkError(err)
> for i := 0; i < 10; i++ {
> conn, err := listener.Accept()
> if err != nil {
> continue
> }
> handleClient(conn)
> conn.Close()
> }
> }
> func handleClient(conn net.Conn) {
> var buf [512]byte
> for {
> n, err := conn.Read(buf[0:])
> if err != nil {
> return
> }
> rAddr := conn.RemoteAddr()
> fmt.Println("receive from client", rAddr.String(), string(buf[0:n]))
> _, err2 := conn.Write([]byte("welcome client!"))
> if err2 != nil {
> return
> }
> }
> }
> func checkError(err error) {
> if err != nil {
> fmt.Fprintf(os.Stderr, "fatal error: %s", err.Error())
> os.Exit(1)
> }
> }
>
>
> I try to run it in Sublime Text3 but it has no reaction and I try to run
> it in running windows, it shows:
> fatal error: lsiten tcp:5000:bind:Only one usage of each socket
> address(protocol/network address/port) is normally permitted.exit status 1
>
>
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