[jira] [Commented] (KAFKA-4370) CorruptRecordException when ProducerRecord constructed without key nor partition and send

["Ismael Juma (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-4370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15630310#comment-15630310 ] 

Ismael Juma commented on KAFKA-4370:
------------------------------------

This should work, are there errors in the server log?

> CorruptRecordException when ProducerRecord constructed without key nor partition and send
> -----------------------------------------------------------------------------------------
>
>                 Key: KAFKA-4370
>                 URL: https://issues.apache.org/jira/browse/KAFKA-4370
>             Project: Kafka
>          Issue Type: Bug
>          Components: clients
>    Affects Versions: 0.10.1.0
>            Reporter: Lars Pfannenschmidt
>            Priority: Minor
>
> According to the JavaDoc of ProducerRecord it should be possible to send messages without a key:
> {quote}
> If neither key nor partition is present a partition will be assigned in a round-robin fashion.
> {quote}
> {code:title=SomeProducer.java|borderStyle=solid}
>         ProducerRecord<String, String> record = new ProducerRecord<>(topic, "somemessage");
>         return this.producer.send(record).get();
> {code}
> Unfortunately an Exception is thrown:
> {code}
> java.util.concurrent.ExecutionException: org.apache.kafka.common.errors.CorruptRecordException: This message has failed its CRC checksum, exceeds the valid size, or is otherwise corrupt.
> 	at org.apache.kafka.clients.producer.internals.FutureRecordMetadata.valueOrError(FutureRecordMetadata.java:65)
> 	at org.apache.kafka.clients.producer.internals.FutureRecordMetadata.get(FutureRecordMetadata.java:52)
> 	at org.apache.kafka.clients.producer.internals.FutureRecordMetadata.get(FutureRecordMetadata.java:25)
> {code}



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