Fixed a typo

Author: JanHolger

src/main/java/org/javawebstack/validator/Validator.java

@@ -281,7 +281,7 @@ private static String getFieldName(Field field) {
         if(typeSpec == null)
             return toSnakeCase(field.getName());
         MapperTypeSpec.FieldSpec fieldSpec = typeSpec.getFieldSpecs().stream().filter(f -> f.getField().equals(field)).findFirst().orElse(null);
-        if(fieldSpec == null || fieldSpec.getField() == null)
+        if(fieldSpec == null || fieldSpec.getName() == null)
             return toSnakeCase(field.getName());
         return fieldSpec.getName();
     }

src/test/java/test/org/javawebstack/validator/MultipleRequiredFieldTest.java

@@ -0,0 +1,29 @@
+package test.org.javawebstack.validator;
+
+import org.javawebstack.abstractdata.AbstractMapper;
+import org.javawebstack.validator.Rule;
+import org.javawebstack.validator.ValidationContext;
+import org.javawebstack.validator.Validator;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+
+public class MultipleRequiredFieldTest {
+
+    @Test
+    public void testSimpleMultipleRules() {
+        Validator validator = Validator.getValidator(TestObject1.class);
+        TestObject1 test = new TestObject1();
+        test.name = "Test";
+        assertFalse(validator.validate(new ValidationContext(), new AbstractMapper().toAbstract(test)).isValid());
+    }
+
+
+    private static class TestObject1 {
+        @Rule("required")
+        String name;
+        @Rule("required")
+        String name2;
+    }
+
+}