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
throw new ChartException( ChartEnginePlugin.ID,
				ChartException.UNSUPPORTED_FEATURE,
				"exception.unsupported.bounds",  
				new Object[]{
					this
				},
				Messages.getResourceBundle( ) );
	}
	/**
	 * 
	 * @return A copy of this primitive rendering instruction implemented by
	 *         subclasses
	 * 
	 * @throws UnsupportedFeatureException
	 */
	public PrimitiveRenderEvent copy( ) throws ChartException
	{
		throw new ChartException( ChartEnginePlugin.ID,
				ChartException.UNSUPPORTED_FEATURE,
				"exception.unsupported.copy",  
				new Object[]{
					this
				},
				Messages.getResourceBundle( ) );
	}
	/**
	 * 
	 * @param bo1
	 * @param bo2
	 * @return