Question 394701 in Debian Question posted in
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Aws EC2 (Nginx Debian) and RDS error php_network_getaddresses

I have Aws EC2 (Nginx Debian) and RDS, with a simple php script

if ($mysqli_connection->connect_error) {
   echo "Not connected, error: " . $mysqli_connection->connect_error;
}
else {
   echo "Connected.";
}

sometimes get this error:

Not connected, error: php_network_getaddresses: getaddrinfo failed: Name or service not known

I have already reboot EC2, but the error still appears.

Tags:

2

Answers


  1. 0

    Have you checked the security group of the attached to RDS? Make sure the EC2 is visible in inbound rules and outbound rules.

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  2. 0

    According to this response the problem may be with DNS rate-limiting.

    I would suggest trying a DNS cache, like dnsmasq, to reduce the number of requests.

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