clojure.core/format localization problems

[dabd]

On my system I have:

> *clojure-version*

{:major 1, :minor 4, :incremental 0, :qualifier nil}

> (java.util.Locale/getDefault)

#<Locale en_US>

> (format "%.1f" 0.5)

"0,5"

> (java.lang.String/format (java.util.Locale/getDefault) "%.1f" (to-array [0.5]))

"0.5"

but 

> (java.lang.String/format  "%.1f" (to-array [0.5]))

"0,5"

How can I set clojure.core/format to display numbers with a dot decimal separator?

Why calling java.lang.String/format with the default locale returns a different value than calling it without specifying the locale (javadoc says it uses the default locale so they should return the same value)?

Thanks.

[Andy Fingerhut]

What OS and version of Java are you using (output of "java -version", and if on Linux "lsb_release -a" and "uname -a").

Are you doing these commands one after another in a single REPL session?  If so, how did you start that REPL?

I've tried the commands you mention on these OS and JDK combos with Clojure 1.4.0, and always saw "0.5" as the result, never "0,5".  My default locale was also en_US on all of these systems.

Mac OS X 10.6.8 + java version 1.6.0_43 (Oracle/Apple)

Ubuntu 11.10 with Linux kernel 3.0.0-31-generic + java version 1.6.0_27 (OpenJDK)

Windows 7 + java version 1.7.0_07 (Oracle)

Andy

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[dabd]

I am trying to run clojure on windows 7 with this java version:

java version "1.7.0_05"

Java(TM) SE Runtime Environment (build 1.7.0_05-b05)

Java HotSpot(TM) 64-Bit Server VM (build 23.1-b03, mixed mode)

The decimal separator used to be a dot but for some reason it changed to a comma recently.  I didn't change any OS locale settings.

[dabd]

I installed the latest 1.7.0_17 and apparently the issue is gone but I still don't know what caused it.

Thanks.

[dabd]

I'm having this problem again.

I start the repl with nrepl-jack-in.  Also starting it on the command line with 'lein repl' shows the same problem.

What is causing the JVM to lose the default locale settings (at least in regard to number formatting)?

Thanks.

[dabd]

It seems like 1.7 changed how default Locales are read from the host:

http://stackoverflow.com/questions/7107972/java-7-default-locale

http://blog.ej-technologies.com/2011/12/default-locale-changes-in-java-7.html