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https://issues.apache.org/jira/browse/HBASE-21808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16755673#comment-16755673
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Sean Busbey commented on HBASE-21808:
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on RHEL7.6 {{yum install java-devel}} currently still gets 1.8u191. to get
jdk11 you have expressly ask via e.g. {{yum install java-11-openjdk-devel}}.
> Ensure we can build with JDK11 targetting JDK8
> ----------------------------------------------
>
> Key: HBASE-21808
> URL: https://issues.apache.org/jira/browse/HBASE-21808
> Project: HBase
> Issue Type: Improvement
> Components: build, community, java
> Affects Versions: 3.0.0
> Reporter: Sean Busbey
> Assignee: Sean Busbey
> Priority: Major
>
> When folks "install a JDK" they're likely to get JDK11 now (e.g. from
> homebrew). For new contributors this results in confusing errors on first run.
> Make it so that a non-release build using JDK11 and using our default
> compiler source/target versions of JDK8 can complete.
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