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TypeError: Error #1009: Cannot access a property or method of a null object reference. at com.esri.ags.geometry::Extent/http://www.esri.com/2008/ags/internal::getParts()at com.esri.ags.geometry::GeomUtils$/intersects() at com.esri.ags.symbols.supportClasses::PolygonDrawer/draw() at com.esri.ags.symbols::SimpleFillSymbol/draw() at com.esri.ags::Graphic/http://www.esri.com/2008/ags/internal::drawWithSymbol() at com.esri.ags::Graphic/commitProperties() at mx.core::UIComponent/validateProperties() at mx.managers::LayoutManager/validateProperties() at mx.managers::LayoutManager/doPhasedInstantiation() at mx.managers::LayoutManager/doPhasedInstantiationCallback()
Try setting these two attributes on the map tag to false:
wraparound180="false" addarcgisbasemaps="false"
This is an issue in 3.1 when the base map layer is not geographic or web mercator.
By dpaddock at http://forums.arcgis.com/threads/73799-Issues-with-3.1-Flex-Viewer-and-App-Builder?highlight=access+...