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    Hello guys,


    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?