Avoiding unsupported operation exceptions on empty lists.

alkacon · Feb 15, 2017 · a20a1c9 · a20a1c9
1 parent 55bd0ab
commit a20a1c9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/org/opencms/ade/containerpage/CmsModelGroupHelper.java b/src/org/opencms/ade/containerpage/CmsModelGroupHelper.java
@@ -897,7 +897,7 @@ private List<CmsContainerBean> readModelContainers(
         if (containerByParent.containsKey(modelInstanceId)) {
             modelContainers = collectModelStructure(modelInstanceId, localInstanceId, containerByParent);
         } else {
-            modelContainers = Collections.emptyList();
+            modelContainers = new ArrayList<CmsContainerBean>();
         }
         return modelContainers;
     }