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Posted to dev@kafka.apache.org by "Randall Hauch (Jira)" <ji...@apache.org> on 2019/10/03 19:25:00 UTC

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

     [ https://issues.apache.org/jira/browse/KAFKA-8523?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Randall Hauch resolved KAFKA-8523.
----------------------------------
    Fix Version/s: 2.3.1
                   2.4.0
                   2.2.2
                   2.1.2
                   2.0.2
                   1.1.2
                   1.0.3
         Reviewer: Randall Hauch
       Resolution: Fixed

> 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
>            Priority: Major
>             Fix For: 1.0.3, 1.1.2, 2.0.2, 2.1.2, 2.2.2, 2.4.0, 2.3.1
>
>         Attachments: image-2019-09-17-15-53-44-038.png
>
>
> 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.-
> Update as per the discussion in the comments: tombstones should be left as-is by this SMT, as any insertion would defeat their purpose of enabling log compaction.



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