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https://issues.apache.org/jira/browse/HBASE-26773?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Duo Zhang resolved HBASE-26773.
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Fix Version/s: thirdparty-4.1.0
Hadoop Flags: Reviewed
Release Note: Introduced a new hbase-unsafe module in hbase-thirdparty.
Resolution: Fixed
> [hbase-thirdparty] Introduce a hbase-unsafe module in hbase-thirdparty to
> remove the direct references of Unsafe in our main code base
> --------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-26773
> URL: https://issues.apache.org/jira/browse/HBASE-26773
> Project: HBase
> Issue Type: Improvement
> Components: compatibility, thirdparty
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Major
> Fix For: thirdparty-4.1.0
>
>
> For java 9+, sun.misc.Unsafe is in the module jdk.unsupported. When compiling
> with java 11 --release 8, these symbols will not be exported and lead to
> compile errors.
> There is a jdk issue
> https://bugs.openjdk.java.net/browse/JDK-8214165
> But seems the jdk team does not want to fix it. So if we want to move up to
> java 11 but still keep the java 8 compatibility, a possible choice is to
> remove the direct reference of sun.misc.Unsafe so at compile time there will
> be no problem, and at runtime we export the jdk.unsupported so there will be
> no problem too.
> For more details, please see the discussion of this thread on the dev mailing
> list.
> https://lists.apache.org/thread/w5lrxkhswlonj09xf9hcwgvck3nsjdfx
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