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https://issues.apache.org/jira/browse/HADOOP-18047?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vitalii Diravka resolved HADOOP-18047.
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Resolution: Invalid
> hostnmae is shown in LowerCase in SecurityUtil#replacePattern
> --------------------------------------------------------------
>
> Key: HADOOP-18047
> URL: https://issues.apache.org/jira/browse/HADOOP-18047
> Project: Hadoop Common
> Issue Type: Wish
> Components: common
> Affects Versions: 3.3.1
> Reporter: Vitalii Diravka
> Priority: Trivial
> Fix For: 3.4.0
>
>
> Leading hostname to lower case causes test failures, when original hostname
> in uppercase.
> [https://github.com/apache/hadoop/blob/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/SecurityUtil.java#L230]
> What is the intention of using lowercase there?
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