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https://issues.apache.org/jira/browse/LUCENE-5506?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Furkan KAMACI resolved LUCENE-5506.
-----------------------------------
Resolution: Fixed
> Ignoring the Return Values Of Immutable Objects
> -----------------------------------------------
>
> Key: LUCENE-5506
> URL: https://issues.apache.org/jira/browse/LUCENE-5506
> Project: Lucene - Core
> Issue Type: Bug
> Affects Versions: 4.6.1, 4.7
> Reporter: Furkan KAMACI
> Priority: Minor
> Fix For: 4.8
>
> Attachments: LUCENE-5506.patch
>
>
> I was checking the source code of Lucene and I realized that return values of
> immutable objects are ignored at CSVUtil.java and Compile.java as follows:
> *CSVUtil.java*:
> {code}
> /**
> * Quote and escape input value for CSV
> */
> public static String quoteEscape(String original) {
> String result = original;
>
> if (result.indexOf('\"') >= 0) {
> result.replace("\"", ESCAPED_QUOTE);
> }
> if(result.indexOf(COMMA) >= 0) {
> result = "\"" + result + "\"";
> }
> return result;
> }
> {code}
> *Compile.java*
> {code}
> if (args.length < 1) {
> return;
> }
> args[0].toUpperCase(Locale.ROOT);
> {code}
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