Problem Description:
Use nodejs to connect to the MySQL database of ECs and execute the JS file. The error is as follows:
Error: connect ETIMEDOUT
{
errorno: 'ETIMEDOUT',
code: 'ETIMEDOUT',
syscall: 'connect',
fatal: true
}
Solution:
Because the server port is not open (MySQL default port is 3306)
go to the server firewall and open the port