我實際上使用gorilla軟件包將我的websocket服務器放入golang中。 如果我離開我的服務器,我每10天左右有一次這個錯誤。打開文件錯誤golang中的websocket服務器錯誤
2016/11/28 19:22:49 http: Accept error: accept tcp [::]:9001: accept4: too many open files; retrying in 1s
2016/11/28 19:22:50 http: Accept error: accept tcp [::]:9001: accept4: too many open files; retrying in 1s
2016/11/28 19:22:51 http: Accept error: accept tcp [::]:9001: accept4: too many open files; retrying in 1s
2016/11/28 19:22:52 http: Accept error: accept tcp [::]:9001: accept4: too many open files; retrying in 1s
2016/11/28 19:22:53 http: Accept error: accept tcp [::]:9001: accept4: too many open files; retrying in 1s
2016/11/28 19:22:54 http: Accept error: accept tcp [::]:9001: accept4: too many open files; retrying in 1s
這是我的代碼:
func websocketHandler(writer http.ResponseWriter, request *http.Request){
var socket *websocket.Conn
user := new(user.User)
user.Token = getParamURI(request.URL.RequestURI(), "token")
if user.GetUserByToken() == false {
errors := api.Error{}
socket.Close()
errors.ListErrors = append(errors.ListErrors, "Session doesn't exist")
writer.Header().Set("Content-Type", "application/json")
writer.WriteHeader(http.StatusNotAcceptable)
json.NewEncoder(writer).Encode(errors)
return
}
socket, _ = upgrader.Upgrade(writer, request, nil)
err := make(chan string)
go pingSocket(socket, err)
go handleChangeNotification(socket, user.Id, err)
go handleChangeMessage(socket, user.Id, err)
for {
tmp := <- err
if len(tmp) > 0 {
break
}
}
socket.Close()
}
我的ulimit配置:
core file size (blocks, -c) 0
data seg size (kbytes, -d) unlimited
scheduling priority (-e) 0
file size (blocks, -f) unlimited
pending signals (-i) 7902
max locked memory (kbytes, -l) 64
max memory size (kbytes, -m) unlimited
open files (-n) 1024
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
real-time priority (-r) 0
stack size (kbytes, -s) 8192
cpu time (seconds, -t) unlimited
max user processes (-u) 7902
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
錯誤是相當令人費解,我不明白,因爲我關閉套接字很好的情況下,的突破或錯誤和服務器正在生產中,但在4-5用戶的測試版接近,所以它不是限制。
有人能告訴我錯誤來自哪裏嗎?
你確定'websocketHandler'在所有情況下都返回嗎?什麼是您的程序已打開的文件描述符?堆棧跟蹤顯示程序使用文件描述符做什麼? – JimB
顯示從套接字讀取的代碼和發送到err通道的代碼。 –
運行'netstat'查看打開的網絡連接,以防在其他地方出現問題(例如打開和關閉數據庫連接)。 –