Tsuyoshi Ozawa created TEZ-2240:
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Summary: Fix toUpperCase/toLowerCase to use Locale.ENGLISH
Key: TEZ-2240
URL: https://issues.apache.org/jira/browse/TEZ-2240
Project: Apache Tez
Issue Type: Bug
Reporter: Tsuyoshi Ozawa
String#toLowerCase()/toUpperCase() without a locale argument can occur
unexpected behavior based on the locale. It's written in Javadoc:
{quote}
For instance, "TITLE".toLowerCase() in a Turkish locale returns "t\u0131tle",
where '\u0131' is the LATIN SMALL LETTER DOTLESS I character
{quote}
HADOOP-11602 is an issue to address this problem at the Hadoop side.
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