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https://issues.apache.org/jira/browse/HADOOP-15338?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17129854#comment-17129854
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Kihwal Lee edited comment on HADOOP-15338 at 6/9/20, 10:36 PM:
---------------------------------------------------------------
May be I missed it being discussed before.
I see illegal access warnings when I run FsShell commands.
{noformat}
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.xbill.DNS.ResolverConfig to method
sun.net.dns.ResolverConfiguration.open()
WARNING: Please consider reporting this to the maintainers of
org.xbill.DNS.ResolverConfig
WARNING: Use --illegal-access=warn to enable warnings of further illegal
reflective access operations
WARNING: All illegal access operations will be denied in a future release
{noformat}
Of course, it is just a first warning. If you set {{--illegal-access=debug}},
you see whole lot more. The default is still {{permit}} in jdk11 and the code
is working despite the warning message. Are we doing anything to address these?
was (Author: kihwal):
May be I missed it being discussed before.
I see illegal access warnings when I run FsShell commands.
{noformat}
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.xbill.DNS.ResolverConfig to method
sun.net.dns.ResolverConfiguration.open()
WARNING: Please consider reporting this to the maintainers of
org.xbill.DNS.ResolverConfig
WARNING: Use --illegal-access=warn to enable warnings of further illegal
reflective access operations
WARNING: All illegal access operations will be denied in a future release
{noformat}
Of course, it is just a first warning. If you set {{--illegal-access=debug}},
you see whole lot more. The default is still {{permit}} and the code is working
despite the warning message. Are we doing anything to address these?
> Java 11 runtime support
> -----------------------
>
> Key: HADOOP-15338
> URL: https://issues.apache.org/jira/browse/HADOOP-15338
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Akira Ajisaka
> Priority: Major
> Fix For: 3.3.0
>
>
> Oracle JDK 8 will be EoL during January 2019, and RedHat will end support for
> OpenJDK 8 in June 2023 ([https://access.redhat.com/articles/1299013]), so we
> need to support Java 11 LTS at least before June 2023.
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