I recently upgraded the server from version 10 to 10.3.2. I began to have the following image error recurring. Error 504, communication failure. My environment is all amazon, data sources are posted on the tableau server. I have refactored the data source in the new version, I published the workbook again. I changed the wgserver.session.idle_limit to the default. But the error continues. Has anyone ever experienced this?
Have you tried increasing the timeout on the AWS side? This article alludes that that can sometimes cause a similar error: Errors: "Unknown Server Error" or "Unexpected Server Error" When Accessing a Workbook Published on Tableau Server Hosted…