Issue Summary

CSV import (through issue navigator) fails to create issue when Reporter, Assignee or User Picker fields are set. Following error appears for validation:

Issue is not created and same error appears if CSV import is performed.

Steps to Reproduce

1. Set a user picker filed/column in CSV file. For example

   summary, reporter, assignee, developer (custom field)
   Test issue, testuser, testuser, testuser
   

   • testuser is username of an existing user, issue persist if email address or accountId is being used instead
2. Perform CSV import through Issue navigator (search issue page) > Import issues from CSV

Expected Results

Issue is created

Actual Results

• Following error appears for validation:
  
• Following error appears if Reporter field is set:

  Issue can't be created due to the error/s [ The reporter specified is not a user.]
  

• Following error appears for User Picker field (customer field):

  Issue can't be created due to the error/s [ User '<accountId>' does not exist. ]
  

Workaround

Import through Jira settings > System > External System Import > CSV Import