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/model/component/impl/EStringToDataSetMapEntryImpl.java
* @generated
	 * @ordered
	 */
	protected String key = KEY_EDEFAULT;
	/**
	 * The cached value of the '{@link #getTypedValue() <em>Value</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getTypedValue()
	 * @generated
	 * @ordered
	 */
	protected DataSet value = null;
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected EStringToDataSetMapEntryImpl( )
	{
		super( );
	}
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected EClass eStaticClass( )
	{
		return ComponentPackage.Literals.ESTRING_TO_DATA_SET_MAP_ENTRY;