Article - CS364789

Unable to edit ThingWorx mashups due to Browser Content Security Policy error

Modified: 11-Mar-2022   


Applies To

  • ThingWorx Platform 8.5 F000 to 9.3 F000

Description

  • All mashups in ThingWorx appear inaccessible due to browser security errors
  • Unable to see mashups in the Design view preview
  • Mashup runtime displays correctly when loaded in a separate window outside the Composer
  • Firefox Developer console shows error:
    • Content Security Policy: The page’s settings blocked the loading of a resource at https://<servername>/Thingworx/Composer/index.html (“frame-ancestors”)"
  • Chrome developer tools console shows error:
    • Refused to frame 'http://<servername>/' because an ancestor violates the following Content Security Policy directive: "frame-ancestors 'none'".
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