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
* <!-- end-user-doc -->
	 * @generated
	 */
	public void setTypedValue( DataSet newValue )
	{
		DataSet oldValue = value;
		value = newValue;
		if ( eNotificationRequired( ) )
			eNotify( new ENotificationImpl( this,
					Notification.SET,
					ComponentPackage.ESTRING_TO_DATA_SET_MAP_ENTRY__VALUE,
					oldValue,
					value ) );
	}
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Object eGet( int featureID, boolean resolve, boolean coreType )
	{
		switch ( featureID )
		{
			case ComponentPackage.ESTRING_TO_DATA_SET_MAP_ENTRY__KEY :
				return getTypedKey( );
			case ComponentPackage.ESTRING_TO_DATA_SET_MAP_ENTRY__VALUE :
				if ( resolve )
					return getTypedValue( );
				return basicGetTypedValue( );
		}