2020-12-01 15:38:48,853 ERROR  ||  The 'database.out.server.name' value is invalid: A value is required   [io.debezium.connector.common.BaseSourceTask]
2020-12-01 15:38:48,854 WARN   ||  Using configuration property "table.blacklist" is deprecated and will be removed in future versions. Please use "table.exclude.list" instead.   [io.debezium.config.Configuration]
2020-12-01 15:38:48,854 WARN   ||  Using configuration property "table.blacklist" is deprecated and will be removed in future versions. Please use "table.exclude.list" instead.   [io.debezium.config.Configuration]
2020-12-01 15:38:48,856 INFO   ||  WorkerSourceTask{id=leasco-connector-0} Committing offsets   [org.apache.kafka.connect.runtime.WorkerSourceTask]
2020-12-01 15:38:48,856 INFO   ||  WorkerSourceTask{id=leasco-connector-0} flushing 0 outstanding messages for offset commit   [org.apache.kafka.connect.runtime.WorkerSourceTask]
2020-12-01 15:38:48,857 ERROR  ||  WorkerSourceTask{id=leasco-connector-0} Task threw an uncaught and unrecoverable exception   [org.apache.kafka.connect.runtime.WorkerTask]
org.apache.kafka.connect.errors.ConnectException: Error configuring an instance of OracleConnectorTask; check the logs for details
        at io.debezium.connector.common.BaseSourceTask.start(BaseSourceTask.java:96)
        at org.apache.kafka.connect.runtime.WorkerSourceTask.execute(WorkerSourceTask.java:232)
        at org.apache.kafka.connect.runtime.WorkerTask.doRun(WorkerTask.java:185)
        at org.apache.kafka.connect.runtime.WorkerTask.run(WorkerTask.java:235)
        at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)