In order to make your issue reports as actionable as possible, please provide the following information, depending on the issue type.

Bug report

For bug reports, provide this information, please:

What Debezium connector do you use and what version?

2.5.0-Final

What is the connector configuration?

 
kafka.producer.bootstrap.servers: xxx
 
value.converter=io.confluent.connect.avro.AvroConverter
value.converter.ignore.default.for.nullables=false
value.converter.schema.registry.url=xxxx
 
key.converter.schemas.enable=false
key.converter=org.apache.kafka.connect.json.JsonConverter
kafka.producer.retries=3
kafka.producer.retry.backoff.ms=1000
 
snapshot.consistency=LOCAL_ONE
snapshot.mode=INITIAL

latest.commit.log.only=false
commit.log.real.time.processing.enabled=true

What is the captured database version and mode of depoyment?

(E.g. on-premises, with a specific cloud provider, etc.)

4.0.11

What behaviour do you expect?

when AvroConverter is set as value.converter, data should get published

What behaviour do you see?

Caused by: org.apache.avro.AvroRuntimeException: Not an array: ["null","string"]
at org.apache.avro.Schema.getElementType(Schema.java:356)
at io.confluent.connect.avro.AvroData.fromConnectData(AvroData.java:521)
at io.confluent.connect.avro.AvroData.fromConnectData(AvroData.java:624)
at io.confluent.connect.avro.AvroData.fromConnectData(AvroData.java:624)
at io.confluent.connect.avro.AvroData.fromConnectData(AvroData.java:624)
at io.confluent.connect.avro.AvroData.fromConnectData(AvroData.java:352)
at io.confluent.connect.avro.AvroConverter.fromConnectData(AvroConverter.java:89)
at io.debezium.connector.cassandra.KafkaRecordEmitter.toProducerRecord(KafkaRecordEmitter.java:83)
at io.debezium.connector.cassandra.KafkaRecordEmitter.emit(KafkaRecordEmitter.java:64)
... 9 common frames omitted

and Avro union exception

Do you see the same behaviour using the latest relesead Debezium version?

(Ideally, also verify with latest Alpha/Beta/CR version)

Yes

Do you have the connector logs, ideally from start till finish?

(You might be asked later to provide DEBUG/TRACE level log)

<Your answer>

How to reproduce the issue using our tutorial deployment?

<Your answer>

Feature request or enhancement

For feature requests or enhancements, provide this information, please:

Which use case/requirement will be addressed by the proposed feature?

<Your answer>

Implementation ideas (optional)

<Your answer>