I ran into the same problem today working on my first tutorial.
The post processor did not start. Instead there was a pop up window saying:
Post-processing service notification
Connection to post-processing server interrupted. Please try again in a few moments.
I’m behind a company firewall and chrome-js debugger outputs the following:
WebSocket connection to ‘wss://www.simscale.com/ws/383c5fa2-0876-11e6-a34c-10bf48d757f9ae292x9073b09ady15212’ failed: Error during WebSocket handshake: Unexpected response code: 307
embed.html?runNameForResult=Run 1&projid=5283940566312168057&uid=1570061236&resultUuid=2fe378fb-fe7…:2468 Connection could not be established.
I will try to call the post processor later today on my home PC to verify, if the firewall is the cause for this behavior.
@ simscale team: Thank you for the excellent tutorials and webcasts.