From 3d2345f524437d09eeb0c6423ea8b044b5818080 Mon Sep 17 00:00:00 2001
From: Valeri Karpov <val@karpov.io>
Date: Mon, 22 Feb 2021 16:22:25 -0500
Subject: [PATCH] fix(connection): set connection state to `disconnected` if
 connecting string failed to parse

Fix #9921
---
 lib/connection.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/connection.js b/lib/connection.js
index 0f646b72b42..2f6214b088b 100644
--- a/lib/connection.js
+++ b/lib/connection.js
@@ -832,7 +832,6 @@ Connection.prototype.openUri = function(uri, options, callback) {
     _this.client = client;
     client.connect((error) => {
       if (error) {
-        _this.readyState = STATES.disconnected;
         return reject(error);
       }
 
@@ -846,6 +845,7 @@ Connection.prototype.openUri = function(uri, options, callback) {
   this.$initialConnection = Promise.all([promise, parsePromise]).
     then(res => res[0]).
     catch(err => {
+      this.readyState = STATES.disconnected;
       if (err != null && err.name === 'MongoServerSelectionError') {
         err = serverSelectionError.assimilateError(err);
       }