stratosphere/stratosphere — pull request #821 by rmetzger (2014-05-15 19:51:22+00:00)
Title: Some minor fixes

- Check if plan is null and die with nicer exception than NPS
- don't die with indexoutofbounds (or so) exception
- fix IllegalMonitorStateException in JM (see also https://github.com/stratosphere/stratosphere/issues/739)
- show exceptions in log, with INFO log lvl (see mailing list).