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https://issues.apache.org/jira/browse/KAFKA-9018?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Randall Hauch resolved KAFKA-9018.
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Resolution: Fixed
> Kafka Connect - throw clearer exceptions on serialisation errors
> ----------------------------------------------------------------
>
> Key: KAFKA-9018
> URL: https://issues.apache.org/jira/browse/KAFKA-9018
> Project: Kafka
> Issue Type: Improvement
> Components: KafkaConnect
> Affects Versions: 2.5.0, 2.4.1
> Reporter: Robin Moffatt
> Assignee: Mario Molina
> Priority: Minor
> Fix For: 2.7.0
>
>
> When Connect fails on a deserialisation error, it doesn't show if that's the
> *key or value* that's thrown the error, nor does it give the user any
> indication of the *topic/partition/offset* of the message. Kafka Connect
> should be improved to return this information.
> Example message that user will get (in this case caused by reading non-Avro
> data with the Avro converter)
> {code:java}
> Caused by: org.apache.kafka.connect.errors.DataException: Failed to
> deserialize data for topic sample_topic to Avro:
> at
> io.confluent.connect.avro.AvroConverter.toConnectData(AvroConverter.java:110)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.lambda$convertAndTransformRecord$1(WorkerSinkTask.java:487)
> at
> org.apache.kafka.connect.runtime.errors.RetryWithToleranceOperator.execAndRetry(RetryWithToleranceOperator.java:128)
> at
> org.apache.kafka.connect.runtime.errors.RetryWithToleranceOperator.execAndHandleError(RetryWithToleranceOperator.java:162)
> ... 13 more
> Caused by: org.apache.kafka.common.errors.SerializationException: Error
> deserializing Avro message for id -1
> Caused by: org.apache.kafka.common.errors.SerializationException: Unknown
> magic byte!{code}
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