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https://issues.apache.org/jira/browse/KYLIN-4656?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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xuekaiqi resolved KYLIN-4656.
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Resolution: Fixed
> Guava classpath conflict caused by kylin-jdbc 3.1.0 jar
> -------------------------------------------------------
>
> Key: KYLIN-4656
> URL: https://issues.apache.org/jira/browse/KYLIN-4656
> Project: Kylin
> Issue Type: Bug
> Components: Driver - JDBC
> Affects Versions: v3.1.0
> Reporter: Gabor Arki
> Assignee: Yaqian Zhang
> Priority: Critical
> Fix For: v3.1.1
>
> Attachments: image-2020-07-23-07-44-40-675.png
>
>
> The newly released kylin-jdbc 3.1.0 jar contains a shaded, non-repackaged
> version of the Guava library. This is causing class duplication with the
> original guava jar if it is also on the classpath which results in
> non-deterministic, runtime errors depending on which version of a certain
> guava class has been picked up by the class-loader from the 2 versions. Based
> on the runtime errors of the missing classes and methods, it seems to be a
> very old version, probably <=14.
>
> Either implement a proper shading with package relocation or rely on
> transitive dependency, but do not shade non-repackaged versions of libraries.
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