Summary

JIRA Administrators are unable to set an empty clone prefix when using an Oracle Database.

Environment

• JIRA Server (tested in 7.2.8 and 7.3.4)
• Oracle 12c

Steps to Reproduce

1. Open JIRA's Advanced Settings
2. Edit the Clone prefix, removing the original 'Clone -' and leaving it empty.

Expected Results

You are able to set an empty value in the field

Actual Results

When you click on update, the value will return to the original 'Clone -'.

Notes

Similar to JRASERVER-27664

Workaround

Create or edit the jira-config.properties located in the JIRA-HOME and add the following value:

jira.clone.prefix=

This will set the value to the clone prefix to empty.