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Editorial Team
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Asked: 2026-06-16T05:53:01+00:00

i have a text file with WINDOWS-1252 characters like ø and ß. the file

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i have a text file with WINDOWS-1252 characters like ø and ß. the file is being uploaded via form submit to a servlet, where it’s being parsed with opencsv and returned as a List object to a jsp page where it’s displayed.
the utf-8 chars are displayed as ? and i’m trying to figure out where along the way the encoding might have gone wrong.
i’ve tried a bunch of stuff:

  • my page has the tag <%@page contentType="text/html" pageEncoding="WINDOWS-1252"%>

  • file input is encoded – new FileInputStream(file), "WINDOWS-1252")

  • every string is encoded – s = new String(s.getBytes("WINDOWS-1252"));

where else can the encoding fail? any ideas?

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1 Answer

  1. Editorial Team

    OK problem is fixed.
    So the first problem was that it wasn’t a utf-8 file at all but a WINDOWS-1252 one. i determined that using the juniversalchardet lib (very helpful and easy-to-use).
    Then i had to make sure that i’m reading the file with the right charset by using a FileInputStream: 

    new FileInputStream(file), "WINDOWS-1252")

    the i just had to make sure that i am displaying it with the right charset in the jsp file using the tag <%@page contentType="text/html" pageEncoding="WINDOWS-1252"%>

    that’s pretty much it-

    (1) determine charset

    (2) make sure you’re reading the file right

    (3) make sure you display it right

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