geoserver/geoserver — pull request #704 by n-lagomarsini (2014-09-03 16:32:22+00:00)
Title: [GEOS-6628] NullPointerException when setting empty ParameterFilter (Backport on 2.5.x)

Backport on 2.5.x branch of the fix for https://jira.codehaus.org/browse/GEOS-6628