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https://issues.apache.org/jira/browse/HIVE-27338?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HIVE-27338:
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Labels: pull-request-available (was: )
> JDBC drivers are transitively inherited although declared optional
> ------------------------------------------------------------------
>
> Key: HIVE-27338
> URL: https://issues.apache.org/jira/browse/HIVE-27338
> Project: Hive
> Issue Type: Bug
> Components: Standalone Metastore
> Affects Versions: 4.0.0-alpha-2
> Reporter: Stamatis Zampetakis
> Assignee: Stamatis Zampetakis
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> The JDBC driver dependencies are declared optional (HIVE-25701) because we
> don't really need them and it is up to the end-user to decide which DBMS they
> will use and pick the appropriate driver for their use case.
> Also declaring them as
> [optional|https://maven.apache.org/guides/introduction/introduction-to-optional-and-excludes-dependencies.html]
> should stop their transitive propagation to 3rd-party projects that depend
> on Hive modules.
> Currently the optional declaration is in the respective
> {{dependencyManagement}} sections of the project:
> *
> https://github.com/apache/hive/blob/dd8a867386b605ecd7e8dbec476556bf24f54c6f/pom.xml#L1323
> *
> https://github.com/apache/hive/blob/dd8a867386b605ecd7e8dbec476556bf24f54c6f/standalone-metastore/pom.xml#L352
> However due to MNG-5227, the optional declaration in the
> {{dependencyManagement}} has no effect so JDBC dependencies are transitively
> propagated to every module that depends on some Hive module with a JDBC
> driver dependency.
> Till MNG-5227 is fixed we will need to include optional in every explicit
> declaration of the dependency.
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