How do you fix a communication link failure error?

Here are the solutions:

1. changing bind-address attribute:
2. commenting out “skip-networking”
3. change “wait_timeout” and “interactive_timeout”
4. Make sure Java isn’t translating ‘localhost’ to [:::1] instead of [127.0.0.1]
5. check Operating System proxy settings, firewalls and anti-virus programs.

What is the JDBC connection string for MySQL?

Driver. Connection URL: The connection URL for the mysql database is jdbc:mysql://localhost:3306/sonoo where jdbc is the API, mysql is the database, localhost is the server name on which mysql is running, we may also use IP address, 3306 is the port number and sonoo is the database name.

How configure JDBC in MySQL?

Install the driver on a Windows system

1. Log in to the server hosting Web Help Desk.
2. Navigate to the targeted directory. If you are running Web Help Desk 12.6 and below, navigate to:
3. Copy the JDBC driver file into the lib directory.
4. Restart Web Help Desk. The MySQL JDBC driver is installed on your system.

What JDBC driver used to connect to MySQL?

MySQL JDBC driver To connect to MySQL from Java, you have to use the JDBC driver from MySQL. The MySQL JDBC driver is called MySQL Connector/J. You find the latest MySQL JDBC driver under the following URL: http://dev.mysql.com/downloads/connector/j. The download contains a JAR file which we require later.

Can not connect MySQL server?

normally means that there is no MySQL server running on the system or that you are using an incorrect Unix socket file name or TCP/IP port number when trying to connect to the server. You should also check that the TCP/IP port you are using has not been blocked by a firewall or port blocking service.

What is communication link?

communication link means a connection between a hyperlink or graphical element (button, drawing, image) and one or more such items in the same or different electronic document wherein upon clicking on a hyperlinked item, the user is automatically transferred to the other end of the hyperlink which could be another …

How do I find MySQL JDBC URL?

It is very simple :

1. Go to MySQL workbench and lookup for Database > Manage Connections.
2. you will see a list of connections. Click on the connection you wish to connect to.
3. You will see a tabs around connection, remote management, system profile.
4. Construct the url accordingly and set the url to connect.

How do I know if my JDBC URL is working?

You can check the connection to the server by using telnet to connect to the port where the database should be listening; if you can open a connection, you know there isn’t a network problem (such as a firewall). If JDBC is okay and the network is okay, then you can try connecting to the remote system.

Where is MySQL JDBC driver located?

Installing the JDBC Driver for MySQL Databases Locate the mysql-connector-java–bin. jar file among the files that were installed. For example, on Windows: C:\Program Files (x86)\MySQL\MySQL Connector J\mysql-connector-java-5.1. 30-bin.

Where can I find MySQL JDBC driver?

Where is MySQL JDBC driver jar?

jar’ is stored in “C:\Program Files\MySQL\MySQL Connector J\”. Note : The class path is the path that the Java Runtime Environment (JRE) searches for classes and other resource files.

How do I fix TLS not working in JDBC?

Your error message hints at TLS not functioning ( protocol is disabled or cipher suites are inappropriate is TLS jargon.) Try this connection string: jdbc:mysql://localhost:3300/sys (no TLS). It may work. Then try this connection string jdbc:mysql://localhost:3306/sys .

Why can’t I connect to a remote MySQL server?

It is majorly because of weak connection between mysql client and remote mysql server. In my case it is because of flaky VPN connection. Show activity on this post. In phpstorm + vagrant autoReconnect driver option helped.

Why can’t I connect to MySQL on localhost?

I’ve documented a case in here for those who are interested. Show activity on this post. since MySQL need the Localhost in-order to work. go to /etc/network/interfaces file and make sure you have the localhost configuration set there: Show activity on this post. It is majorly because of weak connection between mysql client and remote mysql server.

How to fix MySQL server is not working?

For Windows :- Goto start menu write , “MySqlserver Instance Configuration Wizard” and reconfigure your mysql server instance. Hope it will solve your problem. Show activity on this post. After years having the same issue and no permanent solution this is whats solved it for the past 3 weeks (which is a record in terms of error free operation)