Fix missing error message in ACM

Issue-ID: POLICY-4872
Change-Id: I2f7769a3bb1f6aa168f8d59ff99cb0774aee5ed7
Signed-off-by: FrancescoFioraEst <francesco.fiora@est.tech>

1 files changed, 8 insertions, 3 deletions

diff --git a/participant/participant-impl/participant-impl-acelement/src/main/java/org/onap/policy/clamp/acm/element/main/rest/AcElementErrorController.java b/participant/participant-impl/participant-impl-acelement/src/main/java/org/onap/policy/clamp/acm/element/main/rest/AcElementErrorController.java
index 081eb035d..770f5d8bf 100755
--- a/participant/participant-impl/participant-impl-acelement/src/main/java/org/onap/policy/clamp/acm/element/main/rest/AcElementErrorController.java
+++ b/participant/participant-impl/participant-impl-acelement/src/main/java/org/onap/policy/clamp/acm/element/main/rest/AcElementErrorController.java
@@ -22,9 +22,10 @@
 
 package org.onap.policy.clamp.acm.element.main.rest;
 
+import static org.springframework.boot.web.error.ErrorAttributeOptions.Include;
+
 import jakarta.servlet.RequestDispatcher;
 import jakarta.servlet.http.HttpServletRequest;
-import java.util.Map;
 import org.onap.policy.clamp.models.acm.messages.rest.SimpleResponse;
 import org.onap.policy.clamp.models.acm.messages.rest.TypedSimpleResponse;
 import org.springframework.boot.web.error.ErrorAttributeOptions;
@@ -72,10 +73,14 @@ public class AcElementErrorController implements ErrorController {
     @SuppressWarnings("squid:S3752")
     @RequestMapping(value = "${server.error.path}", produces = MediaType.APPLICATION_JSON_VALUE)
     public ResponseEntity<TypedSimpleResponse<SimpleResponse>> handleError(HttpServletRequest request) {
-        Map<String, Object> map = this.errorAttributes.getErrorAttributes(new ServletWebRequest(request),
-                ErrorAttributeOptions.defaults());
+        var map = this.errorAttributes.getErrorAttributes(new ServletWebRequest(request),
+            ErrorAttributeOptions.of(Include.MESSAGE, Include.EXCEPTION, Include.BINDING_ERRORS));
 
         var sb = new StringBuilder();
+        final var exception = map.get("exception");
+        if (exception != null) {
+            sb.append(exception).append(" ");
+        }
         final var error = map.get("error");
         if (error != null) {
             sb.append(error).append(" ");