KNOWLEDGE BASE

Error "java.lang.NullPointerException" for Virtual Connection Extract Refresh


Published: 31 Jan 2023
Last Modified Date: 31 Jan 2023

Issue

After the owner of a virtual connection extract is changed and the original owner is removed from a site, scheduled refresh tasks of the extract may fail with the following error:

java.lang.NullPointerException

Environment

  • Tableau Cloud
  • Virtual Connection Extract

Resolution

As a possible workaround, the current owner of the virtual connection can delete and re-create the scheduled task for the virtual connection:
  1. Sign in to Tableau Cloud in a browser.
  2. Navigate to the Scheduled Tasks tab of the affected virtual connection.
  3. Take note of the current task configuration.
  4. Delete the existing task: Select the check box for the task > Actions > Delete.
  5. Re-create the scheduled task.

Cause

This issue is currently under investigation.
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