pentaho/pentaho-platform — pull request #2127 by bluezio (2014-11-14 19:19:31+00:00)
Title: [BISERVER-12271] Select button in Schedule... stops working if there is a file in the root solution folder

More information is available here:

http://jira.pentaho.com/browse/BISERVER-12271

It's a simple nullness check, nevertheless :-).