Changing minimum username length causes failure while building

Description

Using Zanata-platform-4.0.0 and LDAP/JAAS authentification I am trying to set the minimum required characters for the username from 3 to 2. (related: ZNTA-1588).
Building the zanata-4.0.0.war causes this:

What might these placeholders stand for?

Assignee

Unassigned

Reporter

B L

Labels

None

Tested Version/s

None

Fix versions

Priority

unspecified
Configure