FULL PRODUCT VERSION :
java version "1.6.0_14-ea"
Java(TM) SE Runtime Environment (build 1.6.0_14-ea-b03)
Java HotSpot(TM) Client VM (build 14.0-b12, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows XP / Professional Edition x64 / 2003 / SP3

A DESCRIPTION OF THE PROBLEM :
When this program is run with JDKs prior to jdk1.6.0_14 the correct answer is given and no errors occur. When run with jdk1.6.0_14 (up to b05) then the incorrect answer is given and an error is detected.

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
No error printed on System.out. The answer is: 1108240.4666936930160
ACTUAL -
An error printed on System.out. Bad answer is: 781240.4666940200160

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
package com.certive.cs.util;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.math.BigDecimal;
import java.math.BigInteger;

public class BDTest
{
   protected static String[] S_arrayOfStringValues = new String[]
   {
      "117000.0", "83200.0", "0", "0", "0", "5280.0", "0", "69426.0",
      "6500.0", "7603.4919740918050", "7819.1205269716930", "9506.8541926295180",
      "31600.0", "39828.0", "71200.0", "24000.0", "14760.0", "84000.0",
      "0", "113184.0", "96333.0", "279000.0", "48000.0"
   };
   
   /**
    * @param args
    */
   public static void main(String[] args)
   {
      String sFile = "C:/BDData.bd";
      BigDecimal[] arrayOfBigDecimals = null;
            
      // convert strings to BigDecimals
      arrayOfBigDecimals = toBigDecimals( S_arrayOfStringValues );
      
      // write to the file?
      write( arrayOfBigDecimals, sFile );
            
      // read from the file?
      arrayOfBigDecimals = read( sFile );
      
      // print out the sum of the big decimals
      System.out.print( sum( arrayOfBigDecimals ) );
   }
   
   protected static void write( BigDecimal[] abd, String sFile )
   {
      try
      {
         FileOutputStream fos = new FileOutputStream( sFile );
         DataOutputStream dos = new DataOutputStream( fos );
         int iValues = abd.length;
         
         dos.writeInt( iValues );
         
         for( int i = 0; i < iValues; i++ )
         {
            BigDecimal bd = abd[i];
                        
            byte[] aBytes = bd.unscaledValue().toByteArray();
            short iBytes = (short) aBytes.length;
            short iScale = (short) bd.scale();

            dos.writeShort( iBytes );
            dos.write( aBytes );
            dos.writeShort( iScale );
         }
         
         if ( dos != null )
            dos.close();
      }
      catch( Throwable t )
      {
         t.printStackTrace();
      }
   }
   
   protected static BigDecimal[] read( String sFile)
   {
      BigDecimal[] abd = null;
      
      try
      {
         FileInputStream fis = new FileInputStream( sFile );
         DataInputStream dis = new DataInputStream( fis );
         int iValues = dis.readInt();
         
         abd = new BigDecimal[iValues];
         
         for( int i = 0; i < iValues; i++ )
         {
            int iBytes = dis.readShort();
            byte[] aBytes = new byte[iBytes];
            
            dis.read( aBytes );
            
            int iScale = dis.readShort();
            
            abd[i] = new BigDecimal(new BigInteger(aBytes), iScale);
         }
         
         if ( dis != null )
            dis.close();
      }
      catch( Throwable t )
      {
         t.printStackTrace();
      }
      
      return abd;
   }
   
   protected static BigDecimal sum( BigDecimal[] abd)
   {
      int iLen = abd == null ? 0 : abd.length;
      BigDecimal bdSum = iLen > 0 ? new BigDecimal( 0 ) : null;
      
      for( int i = 0; i < iLen; i++ )
      {
         BigDecimal bdAdd = abd[i];
         BigDecimal bdNewSum = bdSum.add( bdAdd );
         System.out.println( "Start: " + bdSum + " Add: " + abd[i] + " End: " + bdNewSum );
         
         if ( bdNewSum.intValue() == bdSum.intValue() && bdAdd.intValue() != 0 )
            System.out.println( "ERROR! We didn't add a non-zero correctly!" );
         
         bdSum = bdNewSum;
      }
      
      return bdSum;
   }
   
   protected static BigDecimal[] toBigDecimals( String[] strValues )
   {
      int iLen = strValues == null ? 0 : strValues.length;
      BigDecimal[] abd = new BigDecimal[iLen];
      for ( int i = 0; i < iLen; i++ )
      {
         abd[i] = new BigDecimal( strValues[i] );
      }
      return abd;
   }
}

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

CUSTOMER SUBMITTED WORKAROUND :
None. The JDK simply does not give the correct answer.

Release Regression From : 6u14
The above release value was the last known release where this
bug was not reproducible. Since then there has been a regression.