Re: UTF-8 problems with windows

From:
Knute Johnson <nospam@rabbitbrush.frazmtn.com>
Newsgroups:
comp.lang.java.programmer
Date:
Mon, 10 Aug 2009 20:11:52 -0700
Message-ID:
<4a80e179$0$16773$b9f67a60@news.newsdemon.com>
Michael Jung wrote:

I have the following code fragment in a tiny webserver:

   ...
   os = sock.socket().getOutputStream();
   osr = new PrintWriter(new PrintStream(os, true, "UTF-8"));
   osr.println("HTTP/1.1 200 OK");
   osr.println("Content-Type: text/html; charset=utf-8");
   osr.println();
   osr.println(test());
   ...

   private String test() {
      String ret = null;
      try {
         StringBuffer tmpl = new StringBuffer
            ("<html><head></head><body>H\u00e2n</body></html>");
         ret = tmpl.toString();
     }
     catch (Exception e) {
         e.printStackTrace();
     }
     System.out.println(ret);
     return ret;
  }

With Linux, firefox and opera there is no problem and
the a with circumflex is printed nicely.

On Windows xp I get neither firefox nor IE to work correctly.

Firefox shows some FFFD square, but when I change from the (detected)
UTF-8 encoding to ISO-8859-1, it displays things correctly. But that
would be the rwong encoding!?

IE shows some empty rectangle in the main browser window, but when
looking at the page source, everything is shown correctly!?

I have seen the correct output, but don't remember how I got it; so
it's not missing glyphs.

This is probably not a Java question, as I suspect some windows magic
to happen here. Maybe it has something to do with the infamous BOM?
(I tried setting "file.encoding" to "UTF-8" for what it's worth. And
the cmd prompt from the out.println then o with circumflex, but that's
due to the windows legacy encoding, I think.)

Michael


Michael:

I've been playing around with this and I can't get it to work correctly
on Windows or Linux. I tried just putting a file with the 0xE2
character on my web server (which is set to default to UTF-8) and I get
a black square rotated 45 degrees with a white ? in it. If I reset the
character encoding to IS0-8859-1 on the browser the character appears
correctly. There is something I don't understand here and hopefully you
will get a better answer.

--

Knute Johnson
email s/nospam/knute2009/

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