Bug 152898 Error Bar Chart
Version: 3.2.0 Build id: I20060602-1317 The option of chart sometimes works ok, but sometimes it has the following error:
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/withaxes/AutoScale.java
* 
	 * @return
	 */
	final Object[] getMinMax( ) throws ChartException
	{
		Object oValue = null;
		try
		{
			if ( ( iType & NUMERICAL ) == NUMERICAL )
			{
				double dValue, dMinValue = Double.MAX_VALUE, dMaxValue = -Double.MAX_VALUE;
				dsiData.reset( );
				while ( dsiData.hasNext( ) )
				{
					oValue = dsiData.next( );
					if ( oValue == null ) 
					{
						continue;
					}
					dValue = ( (Double) oValue ).doubleValue( );
					if ( dValue < dMinValue )
						dMinValue = dValue;
					if ( dValue > dMaxValue )
						dMaxValue = dValue;
				}
				return new Object[]{
						new Double( dMinValue ), new Double( dMaxValue )
				};
			}
			else if ( ( iType & DATE_TIME ) == DATE_TIME )