SSL Error when using Untrusted SSL Certificates for MySQL Connections via Connector/J

(Doc ID 2040481.1)

Last updated on MARCH 08, 2017

Applies to:

MySQL Server - Version 5.6 and later
Information in this document applies to any platform.
The specific error relates to Connector/J, but similar errors could be manifested via other connection methods with the same issue.


On : 5.6 version, SSL

When attempting to connect to MySQL with SSL,
the following error occurs.

Client got error “ Received fatal alert: unknown_ca”

The issue can be reproduced at will with the following steps:
1. Set up MySQL server and client to use SSL
2. Use a certificate authority that is not trusted, NOT locally signed certificates
3. Attempt to connect using SSL

The issue has the following business impact:
Due to this issue, users cannot obtain a secure SSL connection to the MySQL Server.


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