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Posted to dev@lucene.apache.org by "Robert Muir (JIRA)" <ji...@apache.org> on 2015/08/22 22:52:45 UTC
[jira] [Commented] (LUCENE-6760) TestUtil#randomWhitespace() broken
for Java 9 (Unicode 7)
[ https://issues.apache.org/jira/browse/LUCENE-6760?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14708171#comment-14708171 ]
Robert Muir commented on LUCENE-6760:
-------------------------------------
Sorry I am against the change, unless lucene supports one and only one JDK version.
This patch will stop random seeds from reproducing.
> TestUtil#randomWhitespace() broken for Java 9 (Unicode 7)
> ---------------------------------------------------------
>
> Key: LUCENE-6760
> URL: https://issues.apache.org/jira/browse/LUCENE-6760
> Project: Lucene - Core
> Issue Type: Test
> Environment: Java 9 build 76+
> Reporter: Uwe Schindler
> Labels: Java9
> Attachments: LUCENE-6760.patch, LUCENE-6760.patch
>
>
> Java 9 changed its character tables to unicode version 7.0. The table updates are listed here: http://hg.openjdk.java.net/jdk9/jdk9/jdk/rev/86206517258d
> Because of this, character {{\u180E}} is no longer treated as whitespace, so TestUtil#randomWhitespace() fails.
> I will remove this character from the list and update the documentation JRE_VERSION_MIGRATION.txt.
> We should maybe make this character list dynamic (e.g. TestUtil initializes it on static class init one time by iterating over all 16 bit characters). Maybe somebody else has an idea (there is already a TODO in the code about that).
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