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https://issues.apache.org/jira/browse/KAFKA-1901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14295566#comment-14295566
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Joel Koshy commented on KAFKA-1901:
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Can you clarify what you mean by metadata fetch for p/c and rolling states?
Producers and consumers also contain app-info right?
> Move Kafka version to be generated in code by build (instead of in manifest)
> ----------------------------------------------------------------------------
>
> Key: KAFKA-1901
> URL: https://issues.apache.org/jira/browse/KAFKA-1901
> Project: Kafka
> Issue Type: Bug
> Affects Versions: 0.8.2
> Reporter: Jason Rosenberg
>
> With 0.8.2 (rc2), I've started seeing this warning in the logs of apps
> deployed to our staging (both server and client):
> {code}
> 2015-01-23 00:55:25,273 WARN [async-message-sender-0] common.AppInfo$ -
> Can't read Kafka version from MANIFEST.MF. Possible cause:
> java.lang.NullPointerException
> {code}
> The issues is that in our deployment, apps are deployed with single 'shaded'
> jars (e.g. using the maven shade plugin). This means the MANIFEST.MF file
> won't have a kafka version. Instead, suggest the kafka build generate the
> proper version in code, as part of the build.
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