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Posted to issues@kylin.apache.org by "Gabor Arki (Jira)" <ji...@apache.org> on 2020/07/22 15:56:00 UTC

[jira] [Created] (KYLIN-4656) Guava classpath conflict caused by kylin-jdbc 3.1.0 jar

Gabor Arki created KYLIN-4656:
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             Summary: 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


The newly released kylin-jdbc 3.1.0 jar contains a shaded, non-repackaged version of the Guava library. This is causing class duplications 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 classloader from the 2 versions.

 

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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