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https://issues.apache.org/jira/browse/LUCENE-6206?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14296995#comment-14296995
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Steve Rowe commented on LUCENE-6206:
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Here's the JIRA corresponding to JI-9018602:
https://bugs.openjdk.java.net/browse/JDK-8071862
> TestCollationDocValuesField.testRanges failure
> ----------------------------------------------
>
> Key: LUCENE-6206
> URL: https://issues.apache.org/jira/browse/LUCENE-6206
> Project: Lucene - Core
> Issue Type: Task
> Reporter: Robert Muir
>
> This test failed in branch_5x:
> {noformat}
> ant test -Dtestcase=TestCollationDocValuesField -Dtests.method=testRanges
> -Dtests.seed=8729A11DAE9AE179 -Dtests.multiplier=3 -Dtests.slow=true
> -Dtests.locale=lt -Dtests.timezone=Etc/GMT-8 -Dtests.asserts=true
> -Dtests.file.encoding=UTF-8
> {noformat}
> The problem is, with lithuanian collator, the generated collationkey does not
> agree with collation order.
> In other words: collator.compare("yi", "iy") !=
> collator.getCollationKey("yi").compareTo(collator.getCollationKey("iy"))
> Simple test:
> {code}
> import java.text.Collator;
> import java.util.Locale;
> public class TestLithuanian {
> public static void main(String args[]) throws Exception {
> Collator collator = Collator.getInstance(new Locale("lt"));
> int value = collator.compare("yi", "iy");
> System.out.println(value); // returns 1
> int value2 =
> collator.getCollationKey("yi").compareTo(collator.getCollationKey("iy"));
> System.out.println(value2); // returns -1
> }
> }
> {code}
> Note that if you change java.text.Collator to com.ibm.icu.text.Collator, they
> are consistent. Looks like a bug in JDK collation.
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