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https://issues.apache.org/jira/browse/KAFKA-16795?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chia-Ping Tsai resolved KAFKA-16795.
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Resolution: Fixed
> Fix broken compatibility in kafka.tools.NoOpMessageFormatter,
> kafka.tools.DefaultMessageFormatter, and kafka.tools.LoggingMessageFormatter
> ------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-16795
> URL: https://issues.apache.org/jira/browse/KAFKA-16795
> Project: Kafka
> Issue Type: Sub-task
> Reporter: Kuan Po Tseng
> Assignee: Kuan Po Tseng
> Priority: Major
> Fix For: 3.8.0
>
>
> [{{0bf830f}}|https://github.com/apache/kafka/commit/0bf830fc9c3915bc99b6e487e6083dabd593c5d3]
> moved NoOpMessageFormatter, DefaultMessageFormatter and
> LoggingMessageFormatter package from {{kafka.tools}} to
> {{{}org.apache.kafka.tools.consumer{}}}{{{}{}}}
> These classes could be used via cmd kafka-console-consumer.sh. We should have
> a dependency cycle before 3.8.0 comes out.
>
> {code:java}
> bin/kafka-console-consumer.sh --bootstrap-server localhost:9092 \
> --topic streams-wordcount-output \
> --from-beginning \
> --formatter kafka.tools.DefaultMessageFormatter \
> --property print.key=true \
> --property print.value=true \
> --property
> key.deserializer=org.apache.kafka.common.serialization.StringDeserializer \
> --property
> value.deserializer=org.apache.kafka.common.serialization.LongDeserializer{code}
> The goal in this Jira is to allow user to keep using
> {{{}kafka.tools.NoOpMessageFormatter{}}},
> {{{}kafka.tools.DefaultMessageFormatter{}}}, and
> {{{}kafka.tools.LoggingMessageFormatter{}}}, but we also display warning
> messages to say those "strings" will be removed in 4.0.
>
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