Robin Moffatt • 3/11/2021

Kafka Connect - SQLSyntaxErrorException: BLOB/TEXT column … used in key specification without a key length

This technical article details a specific error encountered when using the Kafka Connect JDBC Sink connector with MySQL: 'SQLSyntaxErrorException: BLOB/TEXT column used in key specification without a key length'. It explains the cause, which involves auto-creating tables with a TEXT column as a primary key, and discusses the connector's type mapping and MySQL's constraints on primary keys.

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#mysql #Kafka Connect #SQL Syntax