FULL PRODUCT VERSION :
java version "1.8.0"
Java(TM) SE Runtime Environment (build 1.8.0-b132)
Java HotSpot(TM) 64-Bit Server VM (build 25.0-b70, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows [Version 6.1.7601]

A DESCRIPTION OF THE PROBLEM :
DecimalFormat rounding is broken

REGRESSION.  Last worked in version 7u51

ADDITIONAL REGRESSION INFORMATION: 
Broken using:
java version "1.8.0"
Java(TM) SE Runtime Environment (build 1.8.0-b132)
Java HotSpot(TM) 64-Bit Server VM (build 25.0-b70, mixed mode)

Works using:
java version "1.7.0_17"
Java(TM) SE Runtime Environment (build 1.7.0_17-b02)
Java HotSpot(TM) 64-Bit Server VM (build 23.7-b01, mixed mode)


STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
public class Test {

	public static void main(String[] args) {
		DecimalFormat df = new DecimalFormat("#.00");
		df.setRoundingMode(RoundingMode.HALF_UP);
		final String s = df.format(12.465d);
		if (s.equals("12.47")) {
			System.out.println("All is right with the world");
		} else {
			throw new RuntimeException("Rounding is broken in Java " + System.getProperty("java.version"));
		}
	}
}

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
"All is right with the world"

ACTUAL -
Exception in thread "main" java.lang.RuntimeException: Rounding is broken in Java 1.8.0
	at Test.main(Test.java:32)


REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
import java.math.RoundingMode;
import java.text.DecimalFormat;


public class Test {

	public static void main(String[] args) {
		DecimalFormat df = new DecimalFormat("#.00");
		df.setRoundingMode(RoundingMode.HALF_UP);
		final String s = df.format(12.465d);
		if (s.equals("12.47")) {
			System.out.println("All is right with the world");
		} else {
			throw new RuntimeException("Rounding is broken in Java " + System.getProperty("java.version"));
		}
	}
}

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