Bug 180190 Some unnecessary error log is shown in charting
When a chart in a report has no data, or there is no SWT interactivity notifier hooked to the engine, an warning or error are logged. Those are normal conditions of execution and should only log with a INFO level.
chart/org.eclipse.birt.chart.device.swt/src/org/eclipse/birt/chart/device/swt/SwtRendererImpl.java
(org.eclipse.birt.chart.model.attribute.Image) flBackground );
					}
				}
				finally
				{
					pt.dispose( );
				}
			}
		}
	}
	
	private final void fillPathColor( Path path, ColorDefinition g )
			throws ChartException
	{
		
		if ( !( g.isSetTransparency( ) && g.getTransparency( ) == 0 ) )
		{
			final Color cBG = (Color) _ids.getColor( g );
			final Color cPreviousBG = _gc.getBackground( );
			_gc.setBackground( cBG );
			R31Enhance.setAlpha( _gc, g );
			_gc.fillPath( path );
			cBG.dispose( );
			_gc.setBackground( cPreviousBG );
		}
	}
	
	private final void fillPathGradient( Path path, Gradient g, Rectangle r )
			throws ChartException
	{