Loading

Tableau Tabcmd Error "500 Internal Server Error" or "No Valid Session Found"

Udgivelsesdato: Dec 18, 2025
Beskrivelse

When you try to run Tableau tabcmd from a new command prompt window on a computer where tabcmd is already running in an existing window, the command fails and one of the following errors might occur: 

500 Internal Server Error 

or 

No valid session found (errorcode=46)

Cause

It is not currently possible to run multiple instances of Tableau tabcmd from a single computer.

 

Løsning

In order to resolve errors such as "No valid session found" or "500 Internal Server Error" when using Tableau's tabcmd, review one of the following workarounds: 

  • Wait for the first script to finish, then run your next command in the same window.
  • Run tabcmd on a different computer. 
Yderligere ressourcer
When more than one tabcmd session is running at a time, tabcmd logs will show something similar to the following:

[58384] DEBUG 2018-06-07 18:46:21,818: ====>> Starting Tabcmd 9.2 at Thu Jun 07 18:46:21 CDT 2018 <<====
[50096] DEBUG 2018-06-07 18:46:22,917: ====>> Starting Tabcmd 9.2 at Thu Jun 07 18:46:22 CDT 2018 <<====
[58964] DEBUG 2018-06-07 18:46:22,935: ====>> Starting Tabcmd 9.2 at Thu Jun 07 18:46:22 CDT 2018 <<====
and then:
[58384] ERROR 2018-06-07 18:53:37,193: 500 Internal Server Error 
[50096] ERROR 2018-06-07 18:53:37,242: 500 Internal Server Error 
[58964] ERROR 2018-06-07 18:56:03,677: 500 Internal Server Error

In the above example, 3 different tabcmd sessions were started at the same time, and all 3 failed with the same error.
The same issue will occur if sessions overlap. The first tabcmd session needs to finish completely before the second one can be run.
 
Vidensartikelnummer

001473231

 
Indlæser
Salesforce Help | Article