KNOWLEDGE BASE

Error "System error: java.lang.NullPointerException" Publishing from Tableau Prep


Published: 16 Jul 2018
Last Modified Date: 16 Jul 2018

Issue

When you try to publish a data source larger than 66 mb, the following error occurs: 
System error: java.lang.NullPointerException

Environment

  • Tableau Prep 2018.2.1 
  • Tableau Server
  • Tableau Online

Resolution

Use one of the following workarounds: 

Option 1:

  1. Create an extract in Tableau Prep. For more information, see Create an extract file.
  2. Connect to the extract from Tableau Desktop. For more information, see Connect to your data.
  3. Publish the extract from Tableau Desktop. For more information, see
    Publish a Data Source
.

Option 2:

  1. Open the flow in Tableau Prep 2018.1.2
  2. Publish using Tableau Prep 2018.1.2 
Note: If you use any data connectors that were newly added in the Tableau Prep 2018.2.1 release, the flow will not open in an older version of Tableau Prep.

Cause

This behavior is related to a known issue with ID 800231 which is currently under investigation.
Did this article resolve the issue?