fix: empty label exception should be labelCanNotBeNull() (#2063)

apache · Dec 30, 2022 · fb48e83 · fb48e83
1 parent eb7a65c
commit fb48e83
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/hugegraph-core/src/main/java/org/apache/hugegraph/structure/HugeElement.java b/hugegraph-core/src/main/java/org/apache/hugegraph/structure/HugeElement.java
@@ -431,6 +431,9 @@ public static final ElementKeys classifyKeys(Object... keyValues) {
                       .providedKeyValuesMustHaveALegalKeyOnEvenIndices();
             }
             if (val == null) {
+                if (key.equals(T.label)) {
+                    throw Element.Exceptions.labelCanNotBeNull();
+                }
                 throw Property.Exceptions.propertyDoesNotExist();
             }