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https://issues.apache.org/jira/browse/KAFKA-5278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16017280#comment-16017280
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ASF GitHub Bot commented on KAFKA-5278:
---------------------------------------
GitHub user amethystic opened a pull request:
https://github.com/apache/kafka/pull/3100
KAFKA-5278: Have console-consumer support `--value-deserializer`
In the original implementation, console-consumer fails to honor
`--value-deserializer` config.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/amethystic/kafka KAFKA-5278
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/3100.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #3100
----
commit 34de8be03217645dbf1c4111fc495d62dcc59028
Author: amethystic <[email protected]>
Date: 2017-05-19T11:39:08Z
KAFKA-5278: Have console-consumer support `--value-deserializer`
----
> kafka-console-consumer: `--value-deserializer` is not working but `--property
> value.deserializer` does
> ------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-5278
> URL: https://issues.apache.org/jira/browse/KAFKA-5278
> Project: Kafka
> Issue Type: Bug
> Components: clients
> Affects Versions: 0.10.2.1
> Reporter: Yeva Byzek
> Assignee: huxi
> Priority: Minor
>
> kafka-console-consumer: {{--value-deserializer}} is not working but
> {{--property value.deserializer}} is working
> 1. Does not work
> {noformat}
> $ kafka-console-consumer --bootstrap-server localhost:9092 --from-beginning
> --topic TEST1 --value-deserializer
> org.apache.kafka.common.serialization.LongDeserializer
> [2017-05-18 13:09:41,745] ERROR Error processing message, terminating
> consumer process: (kafka.tools.ConsoleConsumer$)
> java.lang.ClassCastException: java.lang.Long cannot be cast to [B
> at kafka.consumer.NewShinyConsumer.receive(BaseConsumer.scala:100)
> at kafka.tools.ConsoleConsumer$.process(ConsoleConsumer.scala:120)
> at kafka.tools.ConsoleConsumer$.run(ConsoleConsumer.scala:75)
> at kafka.tools.ConsoleConsumer$.main(ConsoleConsumer.scala:50)
> at kafka.tools.ConsoleConsumer.main(ConsoleConsumer.scala)
> Processed a total of 0 messages
> {noformat}
> 2. Does work
> {noformat}
> $ kafka-console-consumer --bootstrap-server localhost:9092 --from-beginning
> --topic TEST1 --property
> value.deserializer=org.apache.kafka.common.serialization.LongDeserializer
> 1000
> 2500
> 2000
> 5500
> 8000
> {noformat}
> Without either, the output is
> {noformat}
> $ kafka-console-consumer --bootstrap-server localhost:9092 --from-beginning
> --topic TEST1
> ?
> ?
> ?
> |
> @
> {noformat}
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