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https://issues.apache.org/jira/browse/DERBY-7137?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17543652#comment-17543652
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Richard N. Hillegas commented on DERBY-7137:
--------------------------------------------
Attaching derby-7137-02-aa-buildInstructions.diff. This updates the build
instructions to require JDK 17.
Touches the following files:
{noformat}
M BUILDING.html
{noformat}
> Compile 10.16 into Java 17 byte code so that it won't run on earlier platforms
> ------------------------------------------------------------------------------
>
> Key: DERBY-7137
> URL: https://issues.apache.org/jira/browse/DERBY-7137
> Project: Derby
> Issue Type: Task
> Components: Build tools
> Affects Versions: 10.16.1.1
> Reporter: Richard N. Hillegas
> Assignee: Richard N. Hillegas
> Priority: Major
> Fix For: 10.16.1.1
>
> Attachments: derby-7137-01-aa-compileToJava17byteCode.diff,
> derby-7137-02-aa-buildInstructions.diff, releaseNote.html
>
>
> The 10.16 network server must be run with -Djava.security.manager=allow in
> order to enable the Java Security Manager over the objections of
> https://openjdk.java.net/jeps/411. The meaning of that flag has changed since
> Java 11. To minimize confusion, we want to prevent people from accidentally
> running 10.16 on Java platforms older than Java 17.
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