Download from maven failed with authenticationrequired (407)

Issue

When attempting to download the JDBC driver, the process fails with the "Download from Maven failed" error. The idea.log file (Help > Show Log in ...) shows an authenticationrequired (407) error code.

Solution

The "Download from Maven failed" error can have multiple causes. To investigate further, check the idea.log file (via Help > Show Log in ...) to see if the error matches one of the cases described below or contact our support team for assistance.

If the log shows authenticationrequired (407) errors:

2025-04-29 15:17:20,340 [ 216068] WARN - #c.i.d.d.BaseDatabaseErrorHandler$IOErrorInfo - status code: 407, reason phrase: authenticationrequired (407)
org.apache.http.client.HttpResponseException: status code: 407, reason phrase: authenticationrequired (407)

This means "Proxy Authentication Required". To resolve the issue, follow these steps to enable proxy authentication:

1. Open File | Settings | Appearance & Behavior | System Settings | HTTP Proxy.
2. Select Manual proxy configuration and fill in the required fields.
3. Select Proxy authentication and enter the login and password.
4. Restart the IDE and try to download the drivers again.