[UIMA-3678] Ruta: Trim Action throws Nullpointer on fully trimmed Annotations

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.2.0ruta
• Fix Version/s: 2.2.0ruta
• Component/s: Ruta
• Assignee: Peter Klügl
• Reporter: Martin Toepfer
• Created: 17/Mar/14 08:50
• Updated: 25/Mar/14 14:35
• Resolved: 25/Mar/14 14:35

Description

If an annotation is totally trimmed, i.e., the annotation only consists of annotations that should be removed, a nullpointer exception is thrown.
Expected behavior: the annotation is removed.