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From "Rick Hillegas (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-6998) Make it possible to build Derby cleanly using JDK 10
Date Fri, 05 Oct 2018 01:35:00 GMT

    [ https://issues.apache.org/jira/browse/DERBY-6998?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16639139#comment-16639139
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Rick Hillegas commented on DERBY-6998:
--------------------------------------

Good point. That code should be whacked since recent versions of Derby won't run on anything
before Java 8. But I didn't take the time to whack the dead code--I just wanted the tests
to run on Java 11. Cheers!

> Make it possible to build Derby cleanly using JDK 10
> ----------------------------------------------------
>
>                 Key: DERBY-6998
>                 URL: https://issues.apache.org/jira/browse/DERBY-6998
>             Project: Derby
>          Issue Type: Bug
>          Components: Build tools
>    Affects Versions: 10.15.0.0
>            Reporter: Rick Hillegas
>            Priority: Major
>         Attachments: derby-6998-01-ab-tightenReturnType.diff, derby-6998-02-aa-supportForJDK11.diff,
derby-6998-03-aa-reenableEncryptionTestsOnJDK11.diff, derby-6998-04-aa-increaseCertificateLifetime.diff,
sslHandshake.tar
>
>
> When I build Derby using JDK 10, I get the following warning:
> {noformat}
>     [javac] /Users/rhillegas/derby/mainline/trunk/java/engine/org/apache/derby/iapi/types/SqlXmlUtil.java:728:
warning: [unchecked] getPrefixes(String) in NullNamespaceContext implements getPrefixes(String)
in NamespaceContext
>     [javac]         public Iterator getPrefixes(String namespaceURI) {
>     [javac]                         ^
>     [javac]   return type requires unchecked conversion from Iterator to Iterator<String>
>     [javac] 1 warning
> {noformat}
> I will clean this up.



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