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https://issues.apache.org/jira/browse/HDFS-8705?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15038437#comment-15038437
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Tsz Wo Nicholas Sze commented on HDFS-8705:
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[~steve_l], I believe the JDK bugs you mentioned are for non-English letters.
For English letters, it seems that equalIgoreCase always works well. We never
uses non-English letters in our code. So we are safe. No?
> BlockStoragePolicySuite uses equalsIgnoreCase for name lookup, won't work in
> all locales
> ----------------------------------------------------------------------------------------
>
> Key: HDFS-8705
> URL: https://issues.apache.org/jira/browse/HDFS-8705
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.8.0
> Reporter: Steve Loughran
> Assignee: Brahma Reddy Battula
> Priority: Minor
> Attachments: HDFS-8705-002.patch, HDFS-8705.patch
>
>
> Looking at {{BlockStoragePolicySuite.getPolicy(name)}}, is using
> {{equalsIgnoreCase()}} to find a policy which matches a name.
> This will not work in all locales. It must use
> {{toLowerCase(Locale.ENGLISH).equals(name)}}
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