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https://issues.apache.org/jira/browse/KAFKA-15110?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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hudeqi updated KAFKA-15110:
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Attachment: WechatIMG29.jpeg
> Wrong version may be run, which will cause to fail to run when there are
> multiple version jars under core/build/libs
> --------------------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-15110
> URL: https://issues.apache.org/jira/browse/KAFKA-15110
> Project: Kafka
> Issue Type: Improvement
> Components: core
> Affects Versions: 3.4.1
> Reporter: hudeqi
> Assignee: hudeqi
> Priority: Major
> Attachments: WechatIMG28.jpeg, WechatIMG29.jpeg
>
>
> For example, when I build a jar through './gradlew jar' under a 3.5.0 branch,
> and then switch to a 3.6.0 branch, a jar is also built. Since
> "core/build/libs" is a "gitignore dir", there will be two versions of
> packages in this directory. At this time, when I start the kafka process
> under the local bin dir, I will encounter the problem that it cannot be
> started because the version is running incorrectly.
> The reason is that /kafka-run-class.sh transfers all jar packages to
> CLASSPATH by default, which is an unreasonable behavior.
> For details, see the attached screenshot below:
> Figure 1 shows that the abnormal exit because of the missing of
> ProducerStateManagerConfig(int xx) method, which is defined in version 3.5.0,
> but the initial method of ProducerStateManagerConfig in version 3.6.0 has two
> parameters.
> Figure 2 is the printed value of CLASSPATH.
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