Unable subscribe to mosquitto broker using ssl/tls certificates

[srinivasgbd]

Hi, Unable subscribe to mosquitto broker using ssl/tls method. need help config file for SSL/TLS.
below is the sample config file

mqtt:

The MQTT broker to connect to

server: ssl://127.0.0.1:8883

Optional: Username and Password for authenticating with the MQTT Server

user: bob

#password: happylittleclouds

Optional: for TLS client certificates

ca_cert: /etc/mosquitto/certs/server-certs/ca.crt
client_cert: /etc/mosquitto/certs/client-certs/client.crt
client_key: /etc/mosquitto/certs/client-certs/client.key

below ERROR
Aug 18 12:00:40 exp-mongo-v42-arb mosquitto: 1692334840: OpenSSL Error[0]: error:14094412:SSL routines:ssl3_read_bytes:sslv3 alert bad certificate
Aug 18 12:00:40 exp-mongo-v42-arb mosquitto: 1692334840: OpenSSL Error[1]: error:140940E5:SSL routines:ssl3_read_bytes:ssl handshake failure
Aug 18 12:00:40 exp-mongo-v42-arb mosquitto: 1692334840: Socket error on client , disconnecting.
Aug 18 12:00:50 exp-mongo-v42-arb mqtt2prometheus: 2023-08-18T12:00:50+07:00#011warn#011cmd/mqtt2prometheus.go:150#011could not connect to mqtt broker, sleep 10 second#011{"error": "network Error : x509: cannot validate certificate for 127.0.0.1 because it doesn't contain any IP SANs"}