How to implement java http long connection push data?

Two java services are connected using http long connection and pushed from service one to service two. I would like to ask, how should the two services be implemented? Thanks

扔个三星炸死你 2017-06-28 09:22:59 0  2  928

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  723

MongoDB closes connection - Stack Overflow

Why is the MongoDB connection pool closed when the data is not saved?

世界只因有你 2017-06-28 09:25:36 0  1  1038

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  592

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  660

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  899

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  683

Java connection refused after starting openoffice service

There is no problem with manual startup, but if I start the service with code, a connection refused error {code...} is reported. The content of the connection can be printed out, but an error is reported when connecting later. starOpenoffice.bat content: soffice -headless -accept ="socket,...

世界只因有你 2017-07-03 11:43:16 0  1  1079

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  692

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  1628

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  616

linux - The number of connections is only 2 when the redis connection pool is applied under 10,000 concurrency?

As shown in the figure, I used Golang's redigo library to write a redis connection pool, and used ab testing to simulate 10,000 concurrent read operations. However, no matter how redis refreshes the info, the number of connections is always 2, and only 4 is displayed at most, but There are more than...

仅有的幸福 2017-05-16 13:18:32 0  1  986

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  897

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  671

When calling Spring Boot REST API multiple times using the same JDBC connection

I have a REST web service written in Java/SpringBoot, running on Tomcat9. I need to create a MySQL temporary table in one web service call and access it in another service call. Since the temporary table is connection scoped, I need to use the same connection I used when creating the table in the fi...

P粉769045426 2023-08-27 09:40:00 0  1  571

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  661

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  1256

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  526

The database cannot be connected

Follow the instructions in the video, but you can’t connect to the database.

. 2018-04-19 00:32:12 0  1  1375

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  996