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
setTypedKey( KEY_EDEFAULT );
				return;
			case ComponentPackage.ESTRING_TO_DATA_SET_MAP_ENTRY__VALUE :
				setTypedValue( (DataSet) null );
				return;
		}
		super.eUnset( featureID );
	}
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean eIsSet( int featureID )
	{
		switch ( featureID )
		{
			case ComponentPackage.ESTRING_TO_DATA_SET_MAP_ENTRY__KEY :
				return KEY_EDEFAULT == null ? key != null
						: !KEY_EDEFAULT.equals( key );
			case ComponentPackage.ESTRING_TO_DATA_SET_MAP_ENTRY__VALUE :
				return value != null;
		}
		return super.eIsSet( featureID );
	}
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */