PHP connection failed: SQLSTATE connection refused

I'm trying to use PHP connection to connect to a MySQL database on phpmyadmin. Nothing special about the connection, just wanted to see if the connection was successful. I'm using MAMP to host the database and the connection I'm trying to use is this: <?php$servername="127.0.0.1";$u...

P粉068510991 2023-08-23 18:49:26 0  2  655

Close PDO connection

This is just a fairly simple question about PDO compared to MySQLi. With MySQLi, to close the connection you do: $this->connection->close(); However, when using PDO, it states that you open the connection with: $this->connection=newPDO(); But to close the connection, set it to null. $this-&...

P粉041758700 2023-10-14 19:05:33 0  1  729

Mysql connection cannot be established because the target machine actively refuses the connection

I know a lot of people have asked this question, but most of these people have forgotten their passwords that are blocked by firewalls, and I haven't encountered this situation. I'm developing in php and need to connect to a remote database for my team to use together. Everything is fine on localhos...

P粉957723124 2023-08-22 19:04:28 0  2  708

websocket cannot connect

new WebSocket('ws://' 127.0.0.1:843/'); can connect. Problem 1: It cannot connect to the local IP. Question 2: Even if the port is changed, the connection will still fail. Please explain in detail.

nearest 2017-10-14 12:41:35 0  2  1848

Trying to connect to redis client from nuxt 3 middleware but connection is undefined

I'm trying to connect to a Redis server to get session data from the nuxt3DefineNuxtRouteMiddleware middleware without success. I created a connection to redis in the server side plugin and it works for all my api endpoints, but it doesn't seem to work for my rout-guards middleware. I try to get the...

P粉512526720 2023-08-30 13:36:47 0  1  661

How to connect to the database with node.js

How to connect nodejs to database, express connection? How to connect nodejs to database, express connection? How to connect nodejs to database, express connection?

尊渡假赌尊渡假赌尊渡假赌 2023-10-10 10:06:27 0  9  735

The target machine actively refuses the connection, resulting in the inability to establish a connection.

Sometimes when I perform HttpWebRequest to a web service, the following error occurs. I've also copied my code below. System.Net.WebException: Unable to connect to the remote server --->System.Net.Sockets.SocketException: The connection could not be established because the target computer activel...

P粉268654873 2023-08-20 12:40:57 0  1  568

python2.7 - django cannot connect to redis

Django wants to use redis for caching. Unable to connect to redis. {Code...} {Code...} Please guide me, why can’t I connect?

怪我咯 2017-05-16 13:18:54 0  2  719

Confluence MySQL connector connection not established

I'm trying to connect MySQLDB (installed in my laptop) from ConfluenceCloudRemote access using the MySQLSource connector. I can't establish a connection with MySQLConnector. Error: Unable to verify configuration. If configured, this means that the configuration is invalid and the connector continues...

P粉057869348 2023-09-09 13:22:30 0  1  764

Why can't PHP maintain a long connection when using Sever-Sent Event? Instead, it disconnects immediately after returning data.

As the title states, when PHP uses SSE, every time the connection is successful, data is returned, and then the connection is interrupted. Originally, SSE should maintain a long connection, and then return new data to the front end if the data changes. Why can't you maintain a long connection? The b...

无乐 2020-01-03 17:05:25 0  0  1028

node.js - Questions about redis connection

I recently wrote a project using nodeJS and connected to remote redis. When using the system after deployment, the error of redis connection failure occasionally occurs, so it needs to be restarted. However, connection failures or timeouts have become more and more frequent recently. , I don’t know ...

过去多啦不再A梦 2017-05-16 13:20:28 0  1  943

Can't connect

Is the account and password correct? Why can't I connect?

吴远明 2018-11-12 10:14:53 0  1  1663

linux - Alibaba Cloud server cannot connect via ssh Connection reset by peer

The terminal cannot connect to its own server. ssh_exchange_identification: read: Connection reset by peer reports this. I can connect to it using another computer. Please answer.

phpcn_u1582 2017-06-07 09:24:16 0  2  1236

php - yii\swiftmailer\Mailer smtp.126.com [Connection timed out #110]

Connection could not be established with host smtp.126.com [Connection timed out #110] Does anyone know what is causing the problem?

世界只因有你 2017-06-23 09:11:12 0  1  956

linux - xshell and xftp cannot connect to windows server

xshell and xftp cannot connect to Windows server? Can't connect via ftp or sftp

phpcn_u1582 2017-05-16 13:17:17 0  3  1257

php - Create a mysql connection in onWorkerStart in Swoole, how to keep the long connection continuous?

{Code...} After a while, the mysql connection will be closed. How can I never close it?

滿天的星座 2017-05-19 10:08:00 0  1  704

jdbc cannot connect to postgresql database - Stack Overflow

When using jdbc to connect to the postgresql database, the error is as follows: {code...} The key error message: Cannot create PoolableConnectionFactory (????????: ?????? "uav_test " ??????) Connection The parameters are as follows: {code...} When I change the postgresql database...

给我你的怀抱 2017-05-17 10:02:08 0  2  946

phpstrom2022.3 cannot connect to the remote server

My server is built with pagoda panel. After setting up ftp, I hope to use phpstorm for remote development and automatic uploading. It used to work well, but recently I found that the computer cannot connect to the remote when connected to the router at home. However, if I use the 5G mobile phone to ...

赵。 2023-09-11 17:08:55 0  0  667

Laravel - lumen introduces a third-party package to connect to Oracle, but the configuration file to connect to Oracle does not take effect, and it still connects to MySQL by default. What should I do?

Lumen5.4.6 is used. In order to connect to oracle, the third-party package yajra/laravel-oci8 is introduced and execute $ php artisan vendor:publish --tag=oracle. After generating the configuration file and filling in the configuration information, I still cannot connect to the Oracle database.

为情所困 2017-06-06 09:54:40 0  1  1055

Connect to database under Linux

What should I write in the first sentence of how to connect to a database in Linux?

心斋 2019-03-07 15:28:22 0  2  1293