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https://issues.apache.org/jira/browse/HIVE-17709?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17243338#comment-17243338
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László Bodor commented on HIVE-17709:
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I think we should not block jdk11 effort on the hadoop 3.2 upgrade just because
hadoop introduced a CleanerUtil class, let's create a copy of that and use it,
and then we'll turn back to hadoop's implementation once we upgraded
we have only 2 class references on Cleaner at the moment:
{code}
grep -iRH "import sun.misc.Cleaner"
llap-server/src/java/org/apache/hadoop/hive/llap/cache/SimpleAllocator.java:import
sun.misc.Cleaner;
ql/src/java/org/apache/hadoop/hive/ql/io/orc/encoded/EncodedReaderImpl.java:import
sun.misc.Cleaner;
{code}
> remove sun.misc.Cleaner references
> ----------------------------------
>
> Key: HIVE-17709
> URL: https://issues.apache.org/jira/browse/HIVE-17709
> Project: Hive
> Issue Type: Sub-task
> Components: Build Infrastructure
> Reporter: Zoltan Haindrich
> Assignee: László Bodor
> Priority: Major
>
> according to:
> https://github.com/apache/hive/blob/188f7fb47aec3f98ef53965ba6ae84e23bd26f59/llap-server/src/java/org/apache/hadoop/hive/llap/cache/SimpleAllocator.java#L36
> HADOOP-12760 will be the long term fix
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