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https://issues.apache.org/jira/browse/DERBY-6513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13940806#comment-13940806
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Rick Hillegas commented on DERBY-6513:
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I have ported the fix to the 10.9 branch also. Building older branches with JDK
8 raises the bigger problem that the build machinery doesn't recognize
Oracle-branded JVMs. So I will not backport this fix beyond 10.9.
> Warnings when building 10.10 branch with Java 8
> -----------------------------------------------
>
> Key: DERBY-6513
> URL: https://issues.apache.org/jira/browse/DERBY-6513
> Project: Derby
> Issue Type: Bug
> Components: Build tools
> Affects Versions: 10.10.1.4
> Environment: java version "1.8.0"
> Java(TM) SE Runtime Environment (build 1.8.0-b128)
> Java HotSpot(TM) 64-Bit Server VM (build 25.0-b69, mixed mode)
> Mac OSX 10.7.5
> Reporter: Rick Hillegas
> Assignee: Rick Hillegas
> Attachments: derby-6513-01-aa-suppressWarnings.diff
>
>
> When I build the 10.10 branch using JDK 8, I see the following warnings:
> {noformat}
> [javac] warning: [options] source value 1.4 is obsolete and will be
> removed in a future release
> [javac] warning: [options] target value 1.4 is obsolete and will be
> removed in a future release
> [javac] warning: [options] To suppress warnings about obsolete options,
> use -Xlint:-options.
> [javac] 3 warnings
> {noformat}
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