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Posted to issues@beam.apache.org by "Beam JIRA Bot (Jira)" <ji...@apache.org> on 2021/07/11 17:21:01 UTC
[jira] [Updated] (BEAM-10529) Kafka XLang fails for ?empty?
key/values
[ https://issues.apache.org/jira/browse/BEAM-10529?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Beam JIRA Bot updated BEAM-10529:
---------------------------------
Labels: stale-assigned (was: )
> Kafka XLang fails for ?empty? key/values
> ----------------------------------------
>
> Key: BEAM-10529
> URL: https://issues.apache.org/jira/browse/BEAM-10529
> Project: Beam
> Issue Type: Bug
> Components: cross-language, io-java-kafka
> Reporter: Luke Cwik
> Assignee: Chamikara Madhusanka Jayalath
> Priority: P1
> Labels: stale-assigned
>
> It looks like the Javadoc for ByteArrayDeserializer and StringDeserializer can return null[1, 2] and we aren't using NullableCoder.of(ByteArrayCoder.of()) in the expansion[3]. Note that KafkaIO does this correctly in its regular coder inference logic[4].
> 1: https://kafka.apache.org/21/javadoc/org/apache/kafka/common/serialization/ByteArrayDeserializer.html#deserialize-java.lang.String-byte:A-2: https://kafka.apache.org/21/javadoc/org/apache/kafka/common/serialization/StringDeserializer.html#deserialize-java.lang.String-byte:A-
> 3: https://github.com/apache/beam/blob/af2d6b0379d64b522ecb769d88e9e7e7b8900208/sdks/java/io/kafka/src/main/java/org/apache/beam/sdk/io/kafka/KafkaIO.java#L478
> 4: https://github.com/apache/beam/blob/af2d6b0379d64b522ecb769d88e9e7e7b8900208/sdks/java/io/kafka/src/main/java/org/apache/beam/sdk/io/kafka/LocalDeserializerProvider.java#L85
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