The connector was updated to use HBase API 2.x (from 1.x). Kafka Connect HBase Connector, which uses the Hbase 2.x client, is expected not to be backward compatible with Hbase 1.x Servers. The Connector’s configuration has not changed in 2.0.0.
Log the correct stacktrace and error messages when a retriable operation fails all attempts. Previously, these were omitted and only a Retry exception was logged, providing very little context on the actual source of error.