For Len :
I agree with what George writes below.
I also agree with the point that a webapp /can/ handle any charset
properly, if it is properly programmed to do so.
The point here is that probably, some webapp is /not/ properly
programmed for that, and just uses the default charset of the JVM
And, as George explains below, that one is different under different
circumstances. Which was why I asked the OP about the different Windows
flavors.
By the way, does anyone know for sure /where/ the Sun Windows JVM picks
up the default "locale" settings ?
George Sexton wrote:
The issue is the default character set for Java. I've noticed that at
least at one point in time, the default character set for Java running
under windows was Windows-1252. Running under Linux it defaults to
ISO-8859-1.
I'm sure the same issue is happening here. It's defaulting to
Windows-1256 on Arabic windows, on another OS it's defaulting to
ISO-8859-1 or perhaps ISO-8859-6.
I ran into these kind of issues when I called the various String to Byte
Array functions, e.g. String.getBytes(). I was calling getBytes() and
then using a hash function for the result and getting different results
on different machines.
If you call java.nio.charset.Charset.defaultCharset().displayName(), you
can see what it is.
Here's a reasonable discussion of some of the issues.
http://stackoverflow.com/questions/361975/setting-the-default-java-character-encoding
In short, there's no simple answer. You have to figure out step by step
where things are going wrong, and then address those issues.
I would check:
1) Default Charset on each platform.
2) Charset the database is declared with
3) Charset of data coming in from db.
4) Charset of pages. Do the pages explicitly set the encoding to UTF-8?
André Warnier wrote:
Youssef Mohammed wrote:
´´´´
I am not able to view Arabic data when tomcat application running on
winodws 2003 server OR windows 2000 professional.
But I am surprised to see Arabic data when I run application on
windows XP professional.
Hi.
My knowledge of java and Tomcat is limited, so I may be off-base here.
But I have also has occasional issues with Tomcat and non-US character
sets on various Windows platforms.
Just for information, what is the basic Windows language version of
the 3 Windows servers you are using ?
I mean, is for example the Windows XP system some arabic version,
while the 2003 and 2000 servers are basic English/US-Windows ?
The reason for my question : when a Java JVM starts under Unix/Linux,
it takes its language settings from the "locale" of the process it is
starting under.
You can change these settings, by changing the locale of the process,
then starting the JVM (and Tomcat e.g.).
For a Windows JVM however, there is no such "locale", and I've never
quite figured out where the JVM takes its language settings (including
the default charset). I suppose it is from the Windows environment
somewhere though.
I have a strong suspicion that your problem is in that area.
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