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/ComponentPackageImpl.java
"labelAnchor", "North", 1, 1, MarkerLine.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_UNSETTABLE, !IS_ID, !IS_UNIQUE, !IS_DERIVED, IS_ORDERED ); 
		initEReference( getMarkerLine_FormatSpecifier( ),
				theAttributePackage.getFormatSpecifier( ),
				null,
				"formatSpecifier", null, 0, 1, MarkerLine.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED ); 
		initEReference( getMarkerLine_Triggers( ),
				theDataPackage.getTrigger( ),
				null,
				"triggers", null, 0, -1, MarkerLine.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED ); 
		initEClass( markerRangeEClass,
				MarkerRange.class,
				"MarkerRange", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS ); 
		initEReference( getMarkerRange_Outline( ),
				theAttributePackage.getLineAttributes( ),
				null,
				"outline", null, 1, 1, MarkerRange.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED ); 
		initEReference( getMarkerRange_Fill( ),
				theAttributePackage.getFill( ),
				null,
				"fill", null, 1, 1, MarkerRange.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED ); 
		initEReference( getMarkerRange_StartValue( ),
				theDataPackage.getDataElement( ),
				null,
				"startValue", null, 1, 1, MarkerRange.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED ); 
		initEReference( getMarkerRange_EndValue( ),
				theDataPackage.getDataElement( ),
				null,
				"endValue", null, 1, 1, MarkerRange.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED ); 
		initEReference( getMarkerRange_Label( ),
				this.getLabel( ),