Sven Erik Knop created KAFKA-12170:
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Summary: Connect Cast cannot deal with Bytes correctly
Key: KAFKA-12170
URL: https://issues.apache.org/jira/browse/KAFKA-12170
Project: Kafka
Issue Type: Bug
Components: KafkaConnect
Affects Versions: 2.6.1, 2.7.0
Reporter: Sven Erik Knop
Fix For: 2.7.1
Cast operation on a field of type bytes to a string returns the default
ByteBuffer representation, not the content. For example, a field called
"payload" of type bytes transformed in this way:
payload:string
Returns the result
"payload":\{"string":"java.nio.HeapByteBuffer[pos=0 lim=4 cap=4]"}
We propose instead to represent the byte array as a hex string
"payload":\{"string":"FFEEDDAABB123F"}
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