can't connect to kafka after adding ssl setting

[stanleyw2014]

Issue description

My kafka ssl setting is as below in application.yml:
kafka:
bootstrap:
servers: br0-clstr-abc.com:9093
ssl:
keystore:
location: /tmp/kafkaconfig/kafka-keystore.p12
type: PKCS12
password: password123
truststore:
location: /tmp/kafkaconfig/truststore_test.p12
type: PKCS12
password: password123
and after start my micronaut application, it keep printing out below logs
[Producer clientId=master--1-producer] Bootstrap broker br0-clstr-abc.com:9093 (id: -1 rack: null) disconnected

[Consumer clientId=Poller-1-consumer, groupId=PollerMapLoader] Cancelled in-flight API_VERSIONS request with correlation id 50 due to node -1 being disconnected (elapsed time since creation: 9814ms, elapsed time since send: 9814ms, request timeout: 30000ms)