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From "Gary Gregory (JIRA)" <>
Subject [jira] [Commented] (CSV-143) CSVPrinter ill-suited in multithreaded environment
Date Tue, 11 Nov 2014 12:50:33 GMT


Gary Gregory commented on CSV-143:

Patches welcome! :-) If your changes cannot keep binary compatibility, consider a new class
or a subclass.

> CSVPrinter ill-suited in multithreaded environment
> --------------------------------------------------
>                 Key: CSV-143
>                 URL:
>             Project: Commons CSV
>          Issue Type: Improvement
>    Affects Versions: 1.0
>            Reporter: Andras Sereny
> CSVPrinter doesn't support multiple threads writing to the same appendable. The class
itself is not thread safe and, what's worse, it also invalidates any thread-safety guarantees
provided by the underlying appendable, as in one CSVPrinter.print method there are multiple
calls to out.append.
> OpenCSV does better here: in CSVWriter.writeNext there is one single call to PrintWriter.writer,
thus it conveniently propagates PrintWriter thread-safety.

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