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https://issues.apache.org/jira/browse/HADOOP-12760?focusedWorklogId=518402&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-518402
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ASF GitHub Bot logged work on HADOOP-12760:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 01/Dec/20 12:17
Start Date: 01/Dec/20 12:17
Worklog Time Spent: 10m
Work Description: aajisaka commented on pull request #2506:
URL: https://github.com/apache/hadoop/pull/2506#issuecomment-736515895
Sorry, branch-2.7 is EoL.
https://cwiki.apache.org/confluence/display/HADOOP/EOL+%28End-of-life%29+Release+Branches
If you create a PR for one of the active branches, I can review it.
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Issue Time Tracking
-------------------
Worklog Id: (was: 518402)
Time Spent: 20m (was: 10m)
> sun.misc.Cleaner has moved to a new location in OpenJDK 9
> ---------------------------------------------------------
>
> Key: HADOOP-12760
> URL: https://issues.apache.org/jira/browse/HADOOP-12760
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Chris Hegarty
> Assignee: Akira Ajisaka
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.2.0
>
> Attachments: HADOOP-12760.00.patch, HADOOP-12760.01.patch,
> HADOOP-12760.02.patch, HADOOP-12760.03.patch, HADOOP-12760.04.patch,
> HADOOP-12760.05.patch, HADOOP-12760.06.patch, HADOOP-12760.07.patch,
> HADOOP-12760.08.patch
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> This is a heads-up: there are upcoming changes in JDK 9 that will require, at
> least, a small update to org.apache.hadoop.crypto.CryptoStreamUtils &
> org.apache.hadoop.io.nativeio.NativeIO.
> OpenJDK issue no. 8148117: "Move sun.misc.Cleaner to jdk.internal.ref" [1],
> will move the Cleaner class from sun.misc to jdk.internal.ref. There is
> ongoing discussion about the possibility of providing a public supported API,
> maybe in the JDK 9 timeframe, for releasing NIO direct buffer native memory,
> see the core-libs-dev mail thread [2]. At the very least CryptoStreamUtils &
> NativeIO [3] should be updated to have knowledge of the new location of the
> JDK Cleaner.
> [1] https://bugs.openjdk.java.net/browse/JDK-8148117
> [2]
> http://mail.openjdk.java.net/pipermail/core-libs-dev/2016-January/038243.html
> [3] https://github.com/apache/hadoop/search?utf8=✓&q=sun.misc.Cleaner
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