AEM Desktop App shows a blank page after connecting

When trying to log in to the AEM Desktop app returns an error message: An error occurred while logging in. Please check the logs for more details, it is because the proxy is trying to block access to the AEM author. After bypassing the proxy, the error will be resolved.

Description description

Environment

Adobe Experience Manager

Issue/Symptoms

After downloading and installing the AEM desktop app, whenever the customer is trying to connect to the author URL a login error is received:

An error occurred while logging in. Please check the logs for more details.

In the log files the following errors were present:

backend.log:

error: [ aemdesktop] native application received error loginerror: AssetError: tunneling socket could not be established, statusCode=407

request.log:

error: [ check_login]  < ERR GET https://author-p67006-e643795.adobeaemcloud.com/content/dam.json message=tunneling socket could not be established, statusCode=407, stack=Error: tunneling socket could not be established, statusCode=407
    at ClientRequest.onConnect (C:\Program Files\Adobe\Adobe Experience Manager Desktop\javascript\node_modules\tunnel-agent\index.js:166:19)
    at Object.onceWrapper (events.js:320:30)
    at emitThree (events.js:135:13)
    at ClientRequest.emit (events.js:216:7)
    at Socket.socketOnData (_http_client.js:486:11)
    at emitOne (events.js:115:13)
    at Socket.emit (events.js:210:7)
    at addChunk (_stream_readable.js:252:12), code=ECONNRESET

Resolution resolution

The errors in the logs indicate a connection error.

The customer was using a proxy that blocked access to the AEM author via the AEM desktop app. After bypassing the proxy the customer was able to successfully connect

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