ArcGIS Online 3.6 contains a new basemap, US Geological Survey (USGS) National Map layer, which is hosted on a site with the locked down clientaccesspolicy.xml and crossdomainpolicy.xml files. This returns a channel security error when trying to use the ArcGIS Online basemap switcher within ArcGIS Viewer for Flex and ArcGIS Viewer for Silverlight applications, which are hosted on a domain where the domain is not whitelisted in the abovementioned files.

Last Published: March 11, 2015

ArcGIS Viewer for Flex

Bug ID Number	BUG-000083947
Submitted	December 11, 2014
Last Modified	April 2, 2025
Applies to	ArcGIS Viewer for Flex
Version found	3.7
Status	Non-Reproducible

Workaround

Disable the use of the ArcGIS Online basemap gallery within ArcGIS Viewer for Flex and ArcGIS Viewer for Silverlight applications, and manually add basemaps except USGS basemap.In ArcGIS Viewer for Flex application, uncheck the Add Portal for ArcGIS Basemaps checkbox when ArcGIS Online is set as portal URL in the Advanced Settings.

Steps to Reproduce

Bug ID: BUG-000083947

Software:

ArcGIS Viewer for Flex

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