handle npe for facets

zuliaio · Dec 10, 2021 · 664405f · 664405f
1 parent 7983f27
commit 664405f
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/zulia-server/src/main/java/io/zulia/server/index/ShardReader.java b/zulia-server/src/main/java/io/zulia/server/index/ShardReader.java
@@ -305,7 +305,9 @@ else if (statRequest.getShardFacets() == 0) {
 				if (indexConfig.isHierarchicalFacet(label)) {
 					List<ZuliaQuery.FacetStats> topChildren = facets.getTopChildren(statRequest.getNumericField(), numOfFacets, label,
 							statRequest.getFacetField().getPathList().toArray(new String[0]));
-					statGroupBuilder.addAllFacetStats(topChildren);
+					if (topChildren != null) {
+						statGroupBuilder.addAllFacetStats(topChildren);
+					}
 				}
 				else {
 					List<ZuliaQuery.FacetStats> topChildren = facets.getTopChildren(statRequest.getNumericField(), numOfFacets, label,