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/script/ScriptHandler.java
public static final String BEFORE_LAYOUT = "beforeLayout"; 
	/**
	 * @deprecated
	 */
	public static final String AFTER_LAYOUT = "afterLayout"; 
	/**
	 * @deprecated
	 */
	public static final String BEFORE_COMPUTATIONS = "beforeComputations"; 
	/**
	 * @deprecated
	 */
	public static final String AFTER_COMPUTATIONS = "afterComputations"; 
	/**
	 * @deprecated
	 */
	public static final String START_RENDERING = "startRendering"; 	
	/**
	 * @deprecated
	 */
	public static final String FINISH_RENDERING = "finishRendering"; 
	/**
	 * @deprecated
	 */
	public static final String START_COMPUTE_SERIES = "startComputeSeries"; 
	/**
	 * @deprecated
	 */
	public static final String FINISH_COMPUTE_SERIES = "finishComputeSeries"; 
	/**