Merge branch 'fix/373' into release/2.0.1

* fix/373: fixes #373
nilsreiter · Jul 16, 2021 · 6d66377 · 6d66377
2 parents ae7b794 + 2493b76
commit 6d66377
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/main/java/de/unistuttgart/ims/coref/annotator/uima/UimaUtil.java b/src/main/java/de/unistuttgart/ims/coref/annotator/uima/UimaUtil.java
@@ -476,6 +476,8 @@ public static String toString(AnnotationTreeNode<Segment> tn, String sep, int ma
 			return null;
 		StringBuilder b = new StringBuilder();
 		while (tn != null) {
+			if (tn.get().getLabel() == null)
+				break;
 			if (tn.get().getLabel().equalsIgnoreCase("document"))
 				break;
 			String s = tn.get().getLabel();