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
if ( shClip != null )
			{
				Area ar1 = new Area( shClip );
				ar2.intersect( ar1 );
			}
			_g2d.setClip( ar2 );
			final double dMinX = BaseRenderer.getX( loa, IConstants.MIN );
			final double dMaxX = BaseRenderer.getX( loa, IConstants.MAX );
			final double dMinY = BaseRenderer.getY( loa, IConstants.MIN );
			final double dMaxY = BaseRenderer.getY( loa, IConstants.MAX );
			final Size szImage = _ids.getSize( img );
			final int iXRepeat = (int) ( Math.ceil( ( dMaxX - dMinX )
					/ szImage.getWidth( ) ) );
			final int iYRepeat = (int) ( Math.ceil( ( dMaxY - dMinY )
					/ szImage.getHeight( ) ) );
			final ImageObserver io = (ImageObserver) _ids.getObserver( );
			for ( int i = 0; i < iXRepeat; i++ )
			{
				for ( int j = 0; j < iYRepeat; j++ )
				{
					_g2d.drawImage( img,
							(int) ( dMinX + i * szImage.getWidth( ) ),
							(int) ( dMinY + j * szImage.getHeight( ) ),
							io );
				}
			}
			
			_g2d.setClip( shClip ); 
		}
		/*