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When Attempting to Create Workbook on Tableau Server "TableauException: HTTP 400"


Published: 06 Jul 2015
Last Modified Date: 23 Jun 2017

Issue

When attempting to create a new workbook from the data source page on Tableau Server, the following error occurs: "An unexpected error occurred. If you continue to receive this error please contact your tableau server administrator. TableauException: HTTP 400: <!DOCTYPE HTML PUBLIC "-//W#C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML> <HEAD><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"> <TITLE>ERROR: The requested URL could not be retrieved</TITLE> < STYLE type="text/css"><!--BODY{background-color:#ffffff;font-family:verdana,sans-serif}PRE{font-family:sans-serif}--><STYLE> </HEAD> <B…"

Environment

Tableau Server

Resolution

Ensure that there is no communication of Tableau Server processes through a forward proxy. 

Cause

A forward proxy is preventing communication from the Vizqlserver process to the data server process. 
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