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https://issues.apache.org/jira/browse/HIVE-21584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16816216#comment-16816216
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Zoltan Haindrich commented on HIVE-21584:
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There was an earlier trial to uncover jdk9 issues:
https://issues.apache.org/jira/browse/HIVE-17632
around a year ago or so I was also trying to make Hive compile/run with jdk9
using this branch:
[https://github.com/apache/hive/compare/master...kgyrtkirk:jdk9-trial] not sure
if it will contain anything usefull to you..
I don't see anything wrong - just somewhat different :)
+1
> Java 11 preparation: system class loader is not URLClassLoader
> --------------------------------------------------------------
>
> Key: HIVE-21584
> URL: https://issues.apache.org/jira/browse/HIVE-21584
> Project: Hive
> Issue Type: Task
> Components: Hive
> Affects Versions: 4.0.0
> Reporter: Zoltan Matyus
> Assignee: Zoltan Matyus
> Priority: Major
> Attachments: HIVE-21584.01.patch, HIVE-21584.02.patch,
> HIVE-21584.03.patch
>
>
> Currently, Hive assumes that the system class loader is instance of
> {{URLClassLoader}}. In Java 11 this is not the case. There are a few
> (unresolved) JIRAs about specific occurrences of {{URLClassLoader}} (e.g.
> [HIVE-21237|https://issues.apache.org/jira/browse/HIVE-21237],
> [HIVE-17909|https://issues.apache.org/jira/browse/HIVE-17909]), but no
> _"remove all occurrences"_. Also I couldn't find umbrella "Java 11 upgrade"
> JIRA.
> This ticket is to remove all unconditional casts of any random class loader
> to {{URLClassLoader}}.
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