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[7강] ServerSelectionTimeoutError
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답변 완료
* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.
* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.
코드 구현 후, 브라우저(localhost:5000)에서 name, address, size를 입력하고 버튼을 클릭하면, pymongo 에러가 발생합니다.
index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"
integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js"
integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM"
crossorigin="anonymous"></script>
<link href="https://fonts.googleapis.com/css2?family=Gowun+Batang:wght@400;700&display=swap" rel="stylesheet">
<title>선착순 공동구매</title>
<style>
* {
font-family: 'Gowun Batang', serif;
color: white;
}
body {
background-image: linear-gradient(0deg, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://cdn.aitimes.com/news/photo/202010/132592_129694_3139.jpg');
background-position: center;
background-size: cover;
}
h1 {
font-weight: bold;
}
.order {
width: 500px;
margin: 60px auto 0px auto;
padding-bottom: 60px;
}
.mybtn {
width: 100%;
}
.order > table {
margin: 40px 0;
font-size: 18px;
}
option {
color: black;
}
</style>
<script>
$(document).ready(function () {
show_order();
});
function show_order() {
$.ajax({
type: 'GET',
url: '/mars',
data: {},
success: function (response) {
alert(response['msg'])
}
});
}
function save_order() {
let name = $('#name').val()
let address = $('#address').val()
let size = $('#size').val()
$.ajax({
type: 'POST',
url: '/mars',
data: { name_give: name, address_give: address, size_give: size},
success: function (response) {
alert(response['msg'])
window.location.reload()
}
});
}
</script>
</head>
<body>
<div class="mask"></div>
<div class="order">
<h1>화성에 땅 사놓기!</h1>
<h3>가격: 평 당 500원</h3>
<p>
화성에 땅을 사둘 수 있다고?<br/>
앞으로 백년 간 오지 않을 기회. 화성에서 즐기는 노후!
</p>
<div class="order-info">
<div class="input-group mb-3">
<span class="input-group-text">이름</span>
<input id="name" type="text" class="form-control">
</div>
<div class="input-group mb-3">
<span class="input-group-text">주소</span>
<input id="address" type="text" class="form-control">
</div>
<div class="input-group mb-3">
<label class="input-group-text" for="size">평수</label>
<select class="form-select" id="size">
<option selected>-- 주문 평수 --</option>
<option value="10평">10평</option>
<option value="20평">20평</option>
<option value="30평">30평</option>
<option value="40평">40평</option>
<option value="50평">50평</option>
</select>
</div>
<button onclick="save_order()" type="button" class="btn btn-warning mybtn">주문하기</button>
</div>
<table class="table">
<thead>
<tr>
<th scope="col">이름</th>
<th scope="col">주소</th>
<th scope="col">평수</th>
</tr>
</thead>
<tbody>
<tr>
<td>홍길동</td>
<td>서울시 용산구</td>
<td>20평</td>
</tr>
<tr>
<td>임꺽정</td>
<td>부산시 동구</td>
<td>10평</td>
</tr>
<tr>
<td>세종대왕</td>
<td>세종시 대왕구</td>
<td>30평</td>
</tr>
</tbody>
</table>
</div>
</body>
</html>
app.py
from flask import Flask, render_template, request, jsonify
app = Flask(__name__)
from pymongo import MongoClient
import certifi
ca = certifi.where()
client = MongoClient('mongodb+srv://test:sparta@cluster0.ff6avxi.mongodb.net/?retryWrites=true&w=majority', tlsCAFile=ca)
db = client.dbsparta
@app.route('/')
def home():
return render_template('index.html')
@app.route("/mars", methods=["POST"])
def web_mars_post():
name_receive = request.form['name_give']
address_receive = request.form['address_give']
size_receive = request.form['size_give']
doc = {
'name':name_receive,
'address':address_receive,
'size':size_receive
}
db.mars.insert_one(doc)
return jsonify({'msg': '주문 완료!'})
@app.route("/mars", methods=["GET"])
def web_mars_get():
return jsonify({'msg': 'GET 연결 완료!'})
if __name__ == '__main__':
app.run('0.0.0.0', port=5000, debug=True)
error msg
/Users/jangsookim/Desktop/Sparta/projects/mars/venv/bin/python /Users/jangsookim/Desktop/Sparta/projects/mars/app.py
* Serving Flask app 'app'
* Debug mode: on
WARNING: This is a development server. Do not use it in a production deployment. Use a production WSGI server instead.
* Running on all addresses (0.0.0.0)
* Running on http://127.0.0.1:5000
* Running on http://172.30.1.4:5000
Press CTRL+C to quit
* Restarting with stat
* Debugger is active!
* Debugger PIN: 716-490-834
127.0.0.1 - - [27/Dec/2022 23:14:35] "GET / HTTP/1.1" 200 -
127.0.0.1 - - [27/Dec/2022 23:14:38] "GET /mars HTTP/1.1" 200 -
127.0.0.1 - - [27/Dec/2022 23:15:19] "POST /mars HTTP/1.1" 500 -
Traceback (most recent call last):
File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/flask/app.py", line 2548, in __call__
return self.wsgi_app(environ, start_response)
File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/flask/app.py", line 2528, in wsgi_app
response = self.handle_exception(e)
File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/flask/app.py", line 2525, in wsgi_app
response = self.full_dispatch_request()
File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/flask/app.py", line 1822, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/flask/app.py", line 1820, in full_dispatch_request
rv = self.dispatch_request()
File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/flask/app.py", line 1796, in dispatch_request
return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
File "/Users/jangsookim/Desktop/Sparta/projects/mars/app.py", line 26, in web_mars_post
db.mars.insert_one(doc)
File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/pymongo/collection.py", line 628, in insert_one
self._insert_one(
File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/pymongo/collection.py", line 569, in _insert_one
self.__database.client._retryable_write(acknowledged, _insert_command, session)
File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/pymongo/mongo_client.py", line 1475, in _retryable_write
with self._tmp_session(session) as s:
File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/contextlib.py", line 113, in __enter__
return next(self.gen)
File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/pymongo/mongo_client.py", line 1757, in _tmp_session
s = self._ensure_session(session)
File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/pymongo/mongo_client.py", line 1740, in _ensure_session
return self.__start_session(True, causal_consistency=False)
File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/pymongo/mongo_client.py", line 1685, in __start_session
self._topology._check_implicit_session_support()
File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/pymongo/topology.py", line 538, in _check_implicit_session_support
self._check_session_support()
File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/pymongo/topology.py", line 554, in _check_session_support
self._select_servers_loop(
File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/pymongo/topology.py", line 238, in _select_servers_loop
raise ServerSelectionTimeoutError(
pymongo.errors.ServerSelectionTimeoutError: ac-wgto8ij-shard-00-01.ff6avxi.mongodb.net:27017: connection closed,ac-wgto8ij-shard-00-02.ff6avxi.mongodb.net:27017: connection closed,ac-wgto8ij-shard-00-00.ff6avxi.mongodb.net:27017: connection closed, Timeout: 30s, Topology Description: <TopologyDescription id: 63aafdc97de9727090776335, topology_type: ReplicaSetNoPrimary, servers: [<ServerDescription ('ac-wgto8ij-shard-00-00.ff6avxi.mongodb.net', 27017) server_type: Unknown, rtt: None, error=AutoReconnect('ac-wgto8ij-shard-00-00.ff6avxi.mongodb.net:27017: connection closed')>, <ServerDescription ('ac-wgto8ij-shard-00-01.ff6avxi.mongodb.net', 27017) server_type: Unknown, rtt: None, error=AutoReconnect('ac-wgto8ij-shard-00-01.ff6avxi.mongodb.net:27017: connection closed')>, <ServerDescription ('ac-wgto8ij-shard-00-02.ff6avxi.mongodb.net', 27017) server_type: Unknown, rtt: None, error=AutoReconnect('ac-wgto8ij-shard-00-02.ff6avxi.mongodb.net:27017: connection closed')>]>
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