pentaho/pentaho-kettle — pull request #829 by pavel-sakun (2014-10-31 13:40:48+00:00)
Title: [PDI-13080] When no records get sent to a PMR Reducer, the PMR Job Fails with Null Pointer Exceptions

Backport of https://github.com/pentaho/pentaho-kettle/pull/827 to 5.2