Communicating with transaction coordinator in Kafka 11.

Hi, I wanted to know that whether there is any way to communicate with transaction coordinator to get meta data related to previous transaction of a particular transaction ID. Do you provide any high level API for communicating with transaction coordinator and ultimately transactional logs stored

Can kafka brokers have SASL_SSL, SSL and PLAINTEXT listener at same time?

Hi, I want to migrate from SSL to SASL_SSL on the Kafka. Is there a way to enable both SSL and SASL at the same time in a Kafka cluster. Also, I want PLAINTEXT to be enabled for the internal users. Is this possible in Kafka 1.1.1 Please let me know. Thanking in anticipation, Shrinivas