fix(loader): fix updates

Author: sadwitdastreetz

hugegraph-loader/src/main/java/org/apache/hugegraph/loader/HugeGraphLoader.java

@@ -113,6 +113,7 @@ public static void main(String[] args) {
             loader = new HugeGraphLoader(args);
         } catch (Throwable e) {
             Printer.printError("Failed to start loading", e);
+            System.exit(1);
             return;
         }
 

hugegraph-loader/src/test/java/org/apache/hugegraph/loader/test/functional/FileLoadTest.java

@@ -2577,7 +2577,6 @@ public void testSourceOrTargetPrimaryValueNull() {
                                "are configured correctly";
             Assert.assertTrue(e.getMessage().endsWith(msgSuffix));
         });
-
         List<Vertex> vertices = CLIENT.graph().listVertices();
         List<Edge> edges = CLIENT.graph().listEdges();
         Assert.assertEquals(7, vertices.size());

hugegraph-loader/src/test/java/org/apache/hugegraph/loader/test/functional/LoadTest.java

@@ -155,14 +155,18 @@ public static void assertDateEquals(String expectDate, TimeZone expectZone, Stri
      * --username admin
      * --password pa
      * to the end of the original argument list before delegating to HugeGraphLoader.
+     * <p>
+     * <b>Note:</b> The password "pa" is a simplified test password used only for testing purposes.
+     * It is a placeholder and <b>must be changed</b> in production environments to a secure value.
+     * The choice of "pa" is arbitrary and intended to facilitate automated testing.
      * @param args the original command-line arguments passed to the program.
      *             These arguments are extended with authentication information
      *             before being passed to {@code HugeGraphLoader.main()}.
      *
      * @see HugeGraphLoader#main(String[])
      */
     public static void authmain(String[] args) {
-        ArrayList list = new ArrayList(Arrays.asList(args));
+        ArrayList<String> list = new ArrayList<>(Arrays.asList(args));
         list.add("--username");
         list.add("admin");
         list.add("--password");