java.lang.NumberFormatException: For input string: "null"
	at java.base/java.lang.NumberFormatException.forInputString(NumberFormatException.java:67)
	at java.base/java.lang.Integer.parseInt(Integer.java:668)
	at java.base/java.math.BigInteger.<init>(BigInteger.java:536)
	at java.base/java.math.BigInteger.<init>(BigInteger.java:674)
	at io.debezium.connector.oracle.Scn.valueOf(Scn.java:73)
	at io.debezium.connector.oracle.OracleConnectorIT.lambda$waitForCurrentScnToHaveBeenSeenByConnector$29(OracleConnectorIT.java:4274)
	at org.awaitility.core.CallableCondition$ConditionEvaluationWrapper.eval(CallableCondition.java:99)
	at org.awaitility.core.ConditionAwaiter$ConditionPoller.call(ConditionAwaiter.java:203)
	at org.awaitility.core.ConditionAwaiter$ConditionPoller.call(ConditionAwaiter.java:190)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:833)