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No connection to TSM and KeeperErrorCode ConnectionLoss


Published: 09 Oct 2020
Last Modified Date: 02 Dec 2020

Issue

Tableau Server tsm becomes unresponsive with generic white label '500' server error and some process in error.
Whitelabel Error Page
There was an unexpected error (type=Internal Server Error, status=500).
com.tableausoftware.tabadmin.webapp.exceptions.RestException: org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss

Environment

  • Tableau Server

Resolution

Option 1

Restart of appzookeeper :

Linux:
sudo su -l tableau
systemctl --user stop appzookeeper_0.service 
systemctl --user start appzookeeper_0.service 

Windows:
task manager
Tableau Server Coordination Service - right click restart

+ tsm restart maybe needed

Option 2

If restarting appzookeeper does not work, restart Tableau Server
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