diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/api/LocatorClusterManagementService.java b/geode-core/src/main/java/org/apache/geode/management/internal/api/LocatorClusterManagementService.java
index e18a4ebc4de7..8bf25fbb0ed2 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/api/LocatorClusterManagementService.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/api/LocatorClusterManagementService.java
@@ -88,11 +88,7 @@ public ClusterManagementResult create(CacheElement config, String group) {
 
     ConfigurationValidator validator = validators.get(config.getClass());
     if (validator != null) {
-      try {
-        validator.validate(config);
-      } catch (IllegalArgumentException e) {
-        return new ClusterManagementResult(false, e.getMessage());
-      }
+      validator.validate(config);
     }
 
 
diff --git a/geode-core/src/test/java/org/apache/geode/management/internal/api/LocatorClusterManagementServiceTest.java b/geode-core/src/test/java/org/apache/geode/management/internal/api/LocatorClusterManagementServiceTest.java
index 8947235a47f7..cbe664f032aa 100644
--- a/geode-core/src/test/java/org/apache/geode/management/internal/api/LocatorClusterManagementServiceTest.java
+++ b/geode-core/src/test/java/org/apache/geode/management/internal/api/LocatorClusterManagementServiceTest.java
@@ -78,10 +78,9 @@ public void elementAlreadyExist() throws Exception {
 
   @Test
   public void validationFailed() throws Exception {
-    result = service.create(regionConfig, "cluster");
-    assertThat(result.isSuccessful()).isFalse();
-    assertThat(result.getPersistenceStatus().getMessage())
-        .contains("Name of the region has to be specified");
+    assertThatThrownBy(() -> service.create(regionConfig, "cluster"))
+        .isInstanceOf(IllegalArgumentException.class)
+        .hasMessageContaining("Name of the region has to be specified");
   }
 
   @Test
diff --git a/geode-web-management/src/main/java/org/apache/geode/management/internal/rest/controllers/ManagementControllerAdvice.java b/geode-web-management/src/main/java/org/apache/geode/management/internal/rest/controllers/ManagementControllerAdvice.java
index 9e8265d8ae22..937b412ef2ee 100644
--- a/geode-web-management/src/main/java/org/apache/geode/management/internal/rest/controllers/ManagementControllerAdvice.java
+++ b/geode-web-management/src/main/java/org/apache/geode/management/internal/rest/controllers/ManagementControllerAdvice.java
@@ -67,6 +67,12 @@ public ResponseEntity<ClusterManagementResult> badRequest(final MalformedObjectN
         HttpStatus.BAD_REQUEST);
   }
 
+  @ExceptionHandler(IllegalArgumentException.class)
+  public ResponseEntity<ClusterManagementResult> badRequest(final IllegalArgumentException e) {
+    return new ResponseEntity<>(new ClusterManagementResult(false, e.getMessage()),
+        HttpStatus.BAD_REQUEST);
+  }
+
   @ExceptionHandler(InstanceNotFoundException.class)
   public ResponseEntity<ClusterManagementResult> notFound(final InstanceNotFoundException e) {
     return new ResponseEntity<>(new ClusterManagementResult(false, e.getMessage()),