--- a/src/main/java/de/intevation/lada/query/QueryTools.java	Mon Sep 05 10:17:32 2016 +0200
+++ b/src/main/java/de/intevation/lada/query/QueryTools.java	Mon Sep 05 10:18:38 2016 +0200
@@ -172,7 +172,12 @@
         }
     }
 
-    public List<Map<String, Object>> getResultForQuery(MultivaluedMap<String, String> params, Integer qId, String type) {
+    @SuppressWarnings("unchecked")
+    public List<Map<String, Object>> getResultForQuery(
+        MultivaluedMap<String, String> params,
+        Integer qId,
+        String type
+    ) {
         QueryBuilder<Query> builder = new QueryBuilder<Query>(
             repository.entityManager("stamm"),
             Query.class
@@ -211,7 +216,7 @@
             params,
             repository.entityManager("land"));
         if (q == null) {
-            return new ArrayList();
+            return new ArrayList<Map<String, Object>>();
         }
         return prepareResult(q.getResultList(), results);
     }