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
p2dEnd,
					(Color) _ids.getColor( cdEnd ) ) );
			_g2d.fill( r2d );
		}
		else if ( flBackground instanceof org.eclipse.birt.chart.model.attribute.Image )
		{
			java.awt.Image img = null;
			if ( flBackground instanceof EmbeddedImage )
			{
				try
				{
					byte[] data = Base64.decodeBase64( ( (EmbeddedImage) flBackground ).getData( )
							.getBytes( ) );
					img = createImage( data );
				}
				catch ( Exception ilex )
				{
					throw new ChartException( ChartDeviceExtensionPlugin.ID,
							ChartException.RENDERING,
							ilex );
				}
			}
			else
			{
				try
				{
					final String sUrl = ( (org.eclipse.birt.chart.model.attribute.Image) flBackground ).getURL( );
					img = (java.awt.Image) _ids.loadImage( new URL( sUrl ) );
				}
				catch ( ChartException ilex )