Issue while connecting to SSL-protected kafka

I am currently having trouble while creating kafka-cluster with host being protected by ssl.

To create a cluster, I am using the next command:
/opt/vertica/packages/kafka/bin/vkconfig cluster --create --cluster Cluster1 --hosts hostname1:9093' --config-schema config_schema --ssl-ca-alias ca-alias --ssl-key-alias key-alias --ssl-key-password key-password --enable-ssl true --username username --conf

And I am getting the next error:
Exception in thread "main" ERROR: [Could not connect to cluster] at at at<init>( at<init>( at at at at at

Also, I have tried specifying those parameters in .properties file. And I have tried included all the necessary Djavax params (namely trustStore, keyStore and keyStorePassword) in vkconfig JAVA_OPTS.

Kafka broker connection string is correct, I've checked it via console consumer/producer.
vkafka-sched.log does not show any errors, and only tells that it had received jks keystore.
Could someone please give me a piece of advice on what am I doing incorrectly in that situation.

Best regards,


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