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https://issues.apache.org/jira/browse/CAMEL-10586?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Claus Ibsen reassigned CAMEL-10586:
-----------------------------------
Assignee: Claus Ibsen
> make the kafka endpoint a little easier to use
> ----------------------------------------------
>
> Key: CAMEL-10586
> URL: https://issues.apache.org/jira/browse/CAMEL-10586
> Project: Camel
> Issue Type: Improvement
> Components: camel-kafka
> Reporter: james strachan
> Assignee: Claus Ibsen
> Fix For: 2.19.0
>
>
> when using, say, JMS or activemq endpoints you can send text to a destination
> and it all kinda works OOTB. However it seems pretty hard to actually send
> anyhting to the kafka endpoint.
> I wonder if we could do a bit more to make it easier to use as a camel
> endpoint?
> e.g. if I invoke a HTTP endpoint then pipe the result to Kafka I get:
> {code}
> org.apache.kafka.common.errors.SerializationException: Can't convert value of
> class org.apache.camel.converter.stream.CachedOutputStream$WrappedInputStream
> to class org.apache.kafka.common.serialization.StringSerializer specified in
> value.serializer
> {code}
> seems like it'd be nice if there's no configured serializer to assume its
> bytes / string?
> If I send to the dataformat endpoint first to force conversion to a String:
> {code}
> to("dataformat:string:unmarshal").
> to("kafka://kafka:9092?topic=cheese&groupId=group1")
> {code}
> then I get:
> {code}
> 17:34:10.212 [Camel (Funktion) thread #0 - timer://foo] WARN
> o.a.c.component.kafka.KafkaProducer - No message key or partition key set
> {code}
> and there's no easy way to pass in a message key or partition key via the URI
> parameters from what I can see.
> I wonder if we should support a URI parameter for setting the partition key +
> message key?
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