JDBC (Oracle) driver exceptions caused by connection timeout kills the tasks · Issue #345 · confluentinc/kafka-connect-jdbc · GitHub

The jdbc connector will kill tasks if there are any exceptions from jdbc driver, and won't be able to recover. Some of the exceptions are caused by transient connection issues, Here is an example from Oracle JDBC driver: [2018-01-09 18:0

org.apache.kafka.connect.runtime.rest.errors.BadRequestException

ORA-12505, TNS:listener does not currently know of SID given in

JDBC Source Connector connection.url error · Issue #1198

ORA-12505, TNS:listener does not currently know of SID given in

Kafka JDBC Oracle connector failed · Issue #818 · confluentinc

org.apache.kafka.connect.runtime.rest.errors.BadRequestException

org.apache.kafka.connect.errors.DataException: JsonConverter with

ERROR Failed to reconfigure connector's tasks, retrying after

TimeoutError: Knex: Timeout acquiring a connection. The pool is