org.apache.kafka.connect.errors.DataException: Conversion error: null value for field that is required and has no default value


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Conversion error: null value for field that is required and has no default value

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Conversion error: null value for field that is required and has no default value

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Conversion error: null value for field that is required and has no default value

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Conversion error: null value for field that is required and has no default value

Stack trace

org.apache.kafka.connect.errors.DataException: Conversion error: null value for field that is required and has no default value
	at org.apache.kafka.connect.json.JsonConverter.convertToJson(JsonConverter.java:556)
	at org.apache.kafka.connect.json.JsonConverter.convertToJsonWithEnvelope(JsonConverter.java:537)
	at org.apache.kafka.connect.json.JsonConverter.fromConnectData(JsonConverter.java:291)
	at org.apache.kafka.connect.runtime.WorkerSourceTask.sendRecords(WorkerSourceTask.java:182)
	at org.apache.kafka.connect.runtime.WorkerSourceTask.execute(WorkerSourceTask.java:160)
	at org.apache.kafka.connect.runtime.WorkerTask.doRun(WorkerTask.java:140)
	at org.apache.kafka.connect.runtime.WorkerTask.run(WorkerTask.java:175)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)

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