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https://issues.apache.org/jira/browse/FLINK-4864?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15605607#comment-15605607
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ASF GitHub Bot commented on FLINK-4864:
---------------------------------------
Github user fhueske commented on the issue:
https://github.com/apache/flink/pull/2673
The problem is only present if the Flink application is compiled with the
Scala compiler. If I use the Java Quickstart, everything works until the
CALCITE-1461 bug appears. @rmetzger pointed me into the right direction. The
Scala compiler does not rely on pure bytecode but seems to bypass some type and
package information in a so-called `ScalaSig` attribute which is not evaluated
by the Java compiler. Apparently, the Maven Shade plugin does not update this
special Scala attribute.
> Shade Calcite dependency in flink-table
> ---------------------------------------
>
> Key: FLINK-4864
> URL: https://issues.apache.org/jira/browse/FLINK-4864
> Project: Flink
> Issue Type: Improvement
> Components: Table API & SQL
> Affects Versions: 1.2.0
> Reporter: Fabian Hueske
> Assignee: Jark Wu
>
> The Table API has a dependency on Apache Calcite.
> A user reported to have version conflicts when having a own Calcite
> dependency in the classpath.
> The solution would be to shade away the Calcite dependency (Calcite's
> transitive dependencies are already shaded).
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