lightning:container gives 404 error, but iframe loads fine :(

<lightning:container aura:id="Cont" src="{! $Resource.StaticResource1 + '/index.html'}" />

<iframe aura:id="Cont" src="{! $Resource.StaticResource1 + '/index.html'}" /> 


<!DOCTYPE html>


  <meta charset="utf-8">

  From ... Container.


Any suggestions, what I'm doing wrong.


==> It is so strange, when I create another static resource with the same index.html it works fine !!!!!!!


The "Lightning Container Component Isolation" section of the LockerService and Lightning Container Component: Securely Using Third-Party Libraries in Lightning Components suggests that lightning:container is the way to go though is not explicit about the LockerService blocking a raw iframe.

And the src attribute is listed for iframe in Locker Service API Viewer as being available...

Personally I'd just use the lightning:container.

  • Yes, I'm trying to use lightning:container but I'm running into 404 ... how to fix that? – Surya Chandra Rao Gandreddi May 1 '18 at 7:37
  • @SuryaChandraRaoGandreddi Its easy to get the ZIP content wrong e.g. accidentally introducing an extra root folder; it sounds like perhaps that was the problem all along. Sorry about my answer - I mitread the question. – Keith C May 1 '18 at 8:06

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