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https://issues.apache.org/jira/browse/HADOOP-19318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17895992#comment-17895992
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ASF GitHub Bot commented on HADOOP-19318:
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myandpr opened a new pull request, #7145:
URL: https://github.com/apache/hadoop/pull/7145
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### Description of PR
Fix compilation errors during the upgrade process, because sun.misc is not
supported after jdk11.
we replace sun.misc.Signal and sum.misc.SignalHandler using jnr-posix
related JIRA:
https://issues.apache.org/jira/browse/HADOOP-19318
### How was this patch tested?
exist ut test
### For code changes:
replace sun.misc.Signal and sum.misc.SignalHandler using
jnr.constants.platform.Signal and jnr.posix.SignalHandler in jnr-posix
> JDK11 build fails with error: release version 1.8 not supported
> ---------------------------------------------------------------
>
> Key: HADOOP-19318
> URL: https://issues.apache.org/jira/browse/HADOOP-19318
> Project: Hadoop Common
> Issue Type: Bug
> Components: build
> Affects Versions: 3.5.0
> Reporter: Ayush Saxena
> Assignee: Attila Doroszlai
> Priority: Major
> Labels: pull-request-available
>
> [JDK11
> build|https://ci-hadoop.apache.org/job/hadoop-qbt-trunk-java11-linux-x86_64/756/]
> is failing:
> {code:title=https://ci-hadoop.apache.org/job/hadoop-qbt-trunk-java11-linux-x86_64/756/artifact/out/patch-compile-root.txt}
> Fatal error compiling: error: release version 1.8 not supported
> {code}
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