Bug 140620 Chart scripting errors are ignored
Write a chart with an invalid script, the execution simply ignores the script. This makes it difficult to debug scripting. The error message is also not precise and needs improvements.
chart/org.eclipse.birt.chart.device.extension/src/org/eclipse/birt/chart/device/swing/SwingRendererImpl.java
final Line2D.Double l2d = new Line2D.Double( lre.getStart( )
						.getX( ),
						lre.getStart( ).getY( ),
						lre.getEnd( ).getX( ),
						lre.getEnd( ).getY( ) );
				gp.append( l2d, true );
			}
		}
		
		Stroke sPrevious = null;
		Stroke sCurrent = getCachedStroke( lia );
		if ( sCurrent != null ) 
		{
			sPrevious = _g2d.getStroke( );
			_g2d.setStroke( sCurrent );
		}
		_g2d.setColor( cFG );
		_g2d.draw( gp );
		if ( sPrevious != null ) 
		{
			_g2d.setStroke( sPrevious );
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.event.IPrimitiveRenderListener#fillArea(org.eclipse.birt.chart.event.AreaRenderEvent)
	 */
	public void fillArea( AreaRenderEvent are ) throws ChartException
	{