Tableau Prep Flow Authoring in Error State

Published: 10 Jun 2022
Last Modified Date: 10 Jun 2022


Tableau Prep Flow Authoring service is unable to start with error message : ServiceOperationTimeoutException
Below error message can be found in tomcat_floweditor log:

java.lang.IllegalArgumentException: Server hostname should not be null


  • Tableau Server 2021.4.3
  • CentOS 7


  1. Check if there's any value defined for the key by running the following command on Tableau Server:
    tsm configuration get -k
  2. If the no value is defined, update the key vwith the Tableau Server FQDN. For example, if Tableau Server is reached by entering in the browser, enter this command:
    tsm configuration set -k -v ""
  3. Commit the configuration change:
    tsm pending-changes apply


TSM configuration has been changed in operations such as restoring a backup, or importing configuration. The value of is lost after an unsuccessful operation.
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