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From "Rick Hillegas (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-6856) Make it possible to build Derby using JDK 9
Date Mon, 05 Sep 2016 20:49:20 GMT

    [ https://issues.apache.org/jira/browse/DERBY-6856?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15465760#comment-15465760

Rick Hillegas commented on DERBY-6856:

I compiled and tested Derby with build 134 of JDK 9. I saw no errors other than the two noise
errors described above in the 2016-08-16 comment.

> 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:
>            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-XX-ab-base.diff, derby-6856-XX-ac-base.diff
> 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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