FULL PRODUCT VERSION :
Java(TM) SE Runtime Environment (build 1.8.0_25-b18)

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows [Version 6.1.7601]

A DESCRIPTION OF THE PROBLEM :
With 7u51 the number 0.0049 has been rounded to 0.005 using RoundingMode.HALF_UP, with 8u25 it is rounded to 0.004

REGRESSION. Last worked in version 7u51

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
"0.005"
ACTUAL -
"0.004"

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
Locale.setDefault(Locale.US);
DecimalFormat decimalFormat = new DecimalFormat("0.000");
decimalFormat.setRoundingMode(RoundingMode.HALF_UP);
System.out.println(decimalFormat.format(0.0049));
---------- END SOURCE ----------