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https://issues.apache.org/jira/browse/DRILL-7850?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vova Vysotskyi updated DRILL-7850:
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Fix Version/s: 1.19.0
> Drill class fails reflection resulting in ClassNotFoundException
> ----------------------------------------------------------------
>
> Key: DRILL-7850
> URL: https://issues.apache.org/jira/browse/DRILL-7850
> Project: Apache Drill
> Issue Type: Bug
> Components: Client - Java
> Affects Versions: 1.18.0
> Reporter: Karl Nelson
> Assignee: Vova Vysotskyi
> Priority: Major
> Fix For: 1.19.0
>
>
> In a recent issue request on JPype it was reported that Apache Drill fails
> under JPype. After a bit of tracing it appears that it is not a JPype
> issue, but something in the Apache Drill jar that is preventing normal Java
> reflection from operating on the classes in drill. In order for Python to
> operate on a class it must first probe the class with getMethods. In this
> case an internal class was returned and when probed it is triggering a Java
> error. As there isn't much that I can do about internal errors generated by
> a 3rd party jar, I need to bounce the issue back to the drill developers.
>
> Replication instructions are on the github issue tracker.
> [https://github.com/jpype-project/jpype/issues/913]
>
> Current it is still possible to run Apache Drill with Python as the error can
> be bypassed by loading the jar file twice. But a recent change to JPype to
> correct a related issue with unresolved classes will make it a fatal error
> in the next version.
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