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Does "errors.deadletterqueue.topic.name" work for source connector? I tested with JDBC sink connector and it works, but I don't find a record which has serialization error goes to dead letter queue.

I use Debezium Connector for MongoDB and version is 2.4.0.

The rest error handling config:

"errors.tolerance": "all",
"errors.log.enable": "false",
"errors.deadletterqueue.topic.name": "test-dlq",
"errors.deadletterqueue.context.headers.enable": "true"
Iskuskov Alexander
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Holm
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1 Answers1

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has included error handling options, including the functionality to route messages to a dead letter queue since Apache Kafka 2.0 through KIP-298: Error Handling in Connect. According this KIP, Dead Letter Queue is supported for Sink Connectors only.

Also you can check Kafka Connect docs:

errors.deadletterqueue.topic.name: The name of the topic to be used as the dead letter queue (DLQ) for messages that result in an error when processed by this sink connector, or its transformations or converters. The topic name is blank by default, which means that no messages are to be recorded in the DLQ.

Great article about Error Handling and Dead Letter Queues by Robin Moffatt

Iskuskov Alexander
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