[jira] [Created] (KAFKA-8523) InsertField transformation fails when encountering tombstone event

["Gunnar Morling (JIRA)" <ji...@apache.org>]

Gunnar Morling created KAFKA-8523:
-------------------------------------

             Summary: InsertField transformation fails when encountering tombstone event
                 Key: KAFKA-8523
                 URL: https://issues.apache.org/jira/browse/KAFKA-8523
             Project: Kafka
          Issue Type: Bug
          Components: KafkaConnect
            Reporter: Gunnar Morling


When applying the {{InsertField}} transformation to a tombstone event, an exception is raised:

{code}
org.apache.kafka.connect.errors.DataException: Only Map objects supported in absence of schema for [field insertion], found: null
	at org.apache.kafka.connect.transforms.util.Requirements.requireMap(Requirements.java:38)
	at org.apache.kafka.connect.transforms.InsertField.applySchemaless(InsertField.java:138)
	at org.apache.kafka.connect.transforms.InsertField.apply(InsertField.java:131)
	at org.apache.kafka.connect.transforms.InsertFieldTest.tombstone(InsertFieldTest.java:128)
{code}

AFAICS, the transform can still be made working in in this case by simply building up a new value map from scratch.



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