FULL PRODUCT 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)


ADDITIONAL OS VERSION INFORMATION :
Linux pcproels 3.1.10-1.9-desktop #1 SMP PREEMPT Thu Apr 5 18:48:38 UTC 2012 (4a97ec8) x86_64 x86_64 x86_64 GNU/Linux


A DESCRIPTION OF THE PROBLEM :
String str = String.format("%.1g", 0.0);

this crashs with

Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException
at java.lang.System.arraycopy(Native Method)
at java.util.Formatter$FormatSpecifier.addZeros(Formatter.java:3401)
at java.util.Formatter$FormatSpecifier.print(Formatter.java:3295)
at java.util.Formatter$FormatSpecifier.print(Formatter.java:3190)
at java.util.Formatter$FormatSpecifier.printFloat(Formatter.java:2757)
at java.util.Formatter$FormatSpecifier.print(Formatter.java:2708)
at java.util.Formatter.format(Formatter.java:2488)
at java.util.Formatter.format(Formatter.java:2423)
at java.lang.String.format(String.java:2845)
at psyvis.Main.main(Main.java:61)
Java Result: 1



EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
It should not throw an exception

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
        String str = String.format("%.1g", 0.0);
        System.err.println(str);

---------- END SOURCE ----------