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From "Kathey Marsden (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-6856) Make it possible to build Derby using JDK 9
Date Wed, 12 Apr 2017 17:18:41 GMT

    [ https://issues.apache.org/jira/browse/DERBY-6856?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15966236#comment-15966236
] 

Kathey Marsden commented on DERBY-6856:
---------------------------------------

I just wanted to say thank you Rick for this and past  work with the new JDK's.  Early testing
and verification for Derby has been great for both  for Derby and for the JDK's being tested
to pop bugs and compatibility issues early.   Myrna has done a lot of this too work in the
past too and both endeavors have  made a big difference in quality all around.

Thank you!

> Make it possible to build Derby using JDK 9
> -------------------------------------------
>
>                 Key: DERBY-6856
>                 URL: https://issues.apache.org/jira/browse/DERBY-6856
>             Project: Derby
>          Issue Type: Improvement
>          Components: Build tools
>    Affects Versions: 10.12.1.1
>            Reporter: Rick Hillegas
>         Attachments: derby-6856-01-ab-addShardingKey.diff, derby-6856-01-ac-cleanup.diff,
derby-6856-02-aa-addShardingKey.diff, derby-6856-03-aa-autoboxingDeprecationWarnings.diff,
derby-6856-03-ab-autoboxingDeprecationWarnings.diff, derby-6856-04-aa-autoboxingDeprecationWarnings-part2.diff,
derby-6856-04-ab-autoboxingDeprecationWarnings-part2.diff, derby-6856-05-ac-roundingMode-Class.newInstance.diff,
derby-6856-05-af-roundingMode-Class.getDeclaredConstructor.diff, derby-6856-05-ag-roundingMode-Class.newInstance.diff,
derby-6856-06-aa-observable.diff, derby-6856-07-aa-oneMoreNewInstance.diff, derby-6856-08-aa-cleanupJavadoc.diff,
derby-6856-09-aa-javadocEntities.diff, derby-6856-10-aa-disable-permissions-subverting-test.diff,
derby-6856-11-aa-jigsawResourceLocation.diff, derby-6856-XX-ab-base.diff, derby-6856-XX-ac-base.diff,
derby-6856-XX-ad-base.diff, derby-6856-XX-ae-base.diff, PTest.java, ptestScript
>
>
> Derby can't be built with JDK 9. Java 9 introduces new JDBC classes like java.sql.ShardingKey
and methods which refer to these new classes.
> In addition, project Jigsaw has created a new way to name classes (see http://openjdk.java.net/jeps/220).
This breaks the PropertySetter build tool which we use so that old JVMs can compile Derby
and so that Derby can be compiled to run on old JVMs.
> It is likely that we will need to leave this issue open throughout the development cycle
of Java 9.



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