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Dimitry RemenyukDimitry Remenyuk 

force:canvasApp does not work in Lightning Communities (Summer'16)

Hi, 
I am aware of problems using force:canvasApp in Lightning components before Summer'16 release. Now they seems to be solved. But there is still the issue of using such components in Community Builder. It simply does not work.
I am using the Hello_World example from SalesforceCanvasFrameworkSDK as my Canvas App.
I have created trivial Aura component embedding it:
<aura:component implements="force:appHostable,flexipage:availableForAllPageTypes,forceCommunity:availableForAllPageTypes" access="global" >
    <force:canvasApp developerName="Hello_World"/>
</aura:component>

It works perfectly if I include it on Salesforce pages (for example, on Account). But if I try to use this component on Community page using Community Builder it fails with 404 error in Javascript console. canvas/proxy.jsp is not found on the server:
User-added image

Any ideas how to fix it?
 
Dimitry RemenyukDimitry Remenyuk
After some investigations, looks like CanvasRendering.js is looking for "/canvas/proxy.jsp" in wrong place. This file is available in the root of Force.com community (with Url: <root>/<community-url>/canvas/proxy.jsp).
But since I am being automatically redirected to Site.com community page (with Url: <root>/<community-url>/s) therefore it looks under the wrong Url too: <root>/<community-url>/s/canvas/proxy.jsp.
The similar stuff happens then later in CanvasProxy.js too, that tries to access non-existent Url <root>/<community-url>/s/services/data/v37.0/platformconnect/signedrequest
keith+changemachinekeith+changemachine
Did you ever figure this out? I'm running into the same issue on winter '17