jackc/pgx · error

unable to read cert: %w

Error message

unable to read cert: %w

What it means

Error "unable to read cert: %w" thrown in jackc/pgx.

Source

Thrown at pgconn/config.go:970

				}
			}
			decryptedKey, decryptedError = x509.DecryptPEMBlock(block, []byte(sslpassword))
			// Should we also provide warning for PKCS#1 needed?
			if decryptedError != nil {
				return nil, fmt.Errorf("unable to decrypt key: %w", decryptedError)
			}

			pemBytes := pem.Block{
				Type:  "RSA PRIVATE KEY",
				Bytes: decryptedKey,
			}
			pemKey = pem.EncodeToMemory(&pemBytes)
		} else {
			pemKey = pem.EncodeToMemory(block)
		}
		certfile, err := os.ReadFile(sslcert)
		if err != nil {
			return nil, fmt.Errorf("unable to read cert: %w", err)
		}
		cert, err := tls.X509KeyPair(certfile, pemKey)
		if err != nil {
			return nil, fmt.Errorf("unable to load cert: %w", err)
		}
		tlsConfig.Certificates = []tls.Certificate{cert}
	}

	// Set Server Name Indication (SNI), if enabled by connection parameters.
	// Per RFC 6066, do not set it if the host is a literal IP address (IPv4
	// or IPv6).
	if sslsni == "1" && net.ParseIP(host) == nil {
		tlsConfig.ServerName = host
	}

	switch sslmode {
	case "allow":
		return []*tls.Config{nil, tlsConfig}, nil

View on GitHub (pinned to ec1a0befd2)

When it happens

Trigger: Thrown at pgconn/config.go:970 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of jackc/pgx@ec1a0befd2 (2026-08-04). Data as JSON: /data/errors/dd5857965c9c36de.json. Report an issue: GitHub.