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.engine/src/org/eclipse/birt/chart/event/PrimitiveRenderEvent.java
try
		{
			bo = getBounds( );
			boPre = pre.getBounds( );
		}
		catch ( ChartException ufex )
		{
			throw new RuntimeException( ufex );
		}
		return compareRegular( bo, boPre );
	}
	/**
	 * Causes this instruction to 'draw' itself on the device renderer
	 * 
	 * @param idr
	 * @throws UnsupportedFeatureException
	 */
	public void draw( IDeviceRenderer idr ) throws ChartException
	{
		throw new ChartException( ChartEnginePlugin.ID,
				ChartException.UNSUPPORTED_FEATURE,
				"exception.unsupported.internal.draw",  
				new Object[]{
					this
				},
				Messages.getResourceBundle( ) );
	}
	/**
	 * Causes this instruction to 'fill' itself on the device renderer
	 *