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https://issues.apache.org/jira/browse/FLINK-32274?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Spongebob closed FLINK-32274.
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Release Note: try to replace
`org.apache.kafka.common.serialization.StringSerializer` with
`Class.forName("org.apache.kafka.common.serialization.StringSerializer")`
Resolution: Invalid
> kafka class could not be found while using appliction mode.
> -----------------------------------------------------------
>
> Key: FLINK-32274
> URL: https://issues.apache.org/jira/browse/FLINK-32274
> Project: Flink
> Issue Type: Bug
> Components: Client / Job Submission
> Affects Versions: 1.14.5
> Reporter: Spongebob
> Priority: Major
>
> While using yarn-application mode to submit my app, it would throw an
> exception: `org.apache.kafka.common.config.ConfigException: Invalid value
> org.apache.kafka.common.serialization.StringDeserializer for configuration
> key.deserializer: Class
> org.apache.kafka.common.serialization.StringDeserializer could not be found.`
> I had defined KafkaProducer variation in my client code. And I think the
> kafka-clients dependency was already uploaded while submitting the app.
> But I found it is ok in per-job mode.
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