Fix success response code CM Handle Registration

- changed registartion response code to 204 NO_CONTENT
- improved exception handling for registration API
- fixed failing csit related to changed response code
- updated the release notes for CPS-892 and CPS-837

Issue-ID: CPS-892
Change-Id: I616e340debf1583b058e7ae6b8960972eec00f3e
Signed-off-by: mpriyank <priyank.maheshwari@est.tech>

1 files changed, 8 insertions, 1 deletions

diff --git a/cps-ncmp-rest/src/main/java/org/onap/cps/ncmp/rest/exceptions/NetworkCmProxyRestExceptionHandler.java b/cps-ncmp-rest/src/main/java/org/onap/cps/ncmp/rest/exceptions/NetworkCmProxyRestExceptionHandler.java
index d3450e596b..7dc6284fcc 100755
--- a/cps-ncmp-rest/src/main/java/org/onap/cps/ncmp/rest/exceptions/NetworkCmProxyRestExceptionHandler.java
+++ b/cps-ncmp-rest/src/main/java/org/onap/cps/ncmp/rest/exceptions/NetworkCmProxyRestExceptionHandler.java
@@ -27,8 +27,10 @@ import org.onap.cps.ncmp.api.impl.exception.DmiRequestException;
 import org.onap.cps.ncmp.api.impl.exception.NcmpException;
 import org.onap.cps.ncmp.api.impl.exception.ServerNcmpException;
 import org.onap.cps.ncmp.rest.controller.NetworkCmProxyController;
+import org.onap.cps.ncmp.rest.controller.NetworkCmProxyInventoryController;
 import org.onap.cps.ncmp.rest.model.ErrorMessage;
 import org.onap.cps.spi.exceptions.CpsException;
+import org.onap.cps.spi.exceptions.DataValidationException;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ExceptionHandler;
@@ -38,7 +40,7 @@ import org.springframework.web.bind.annotation.RestControllerAdvice;
  * Exception handler with error message return.
  */
 @Slf4j
-@RestControllerAdvice(assignableTypes = {NetworkCmProxyController.class})
+@RestControllerAdvice(assignableTypes = {NetworkCmProxyController.class, NetworkCmProxyInventoryController.class})
 @NoArgsConstructor(access = AccessLevel.PACKAGE)
 public class NetworkCmProxyRestExceptionHandler {
 
@@ -71,6 +73,11 @@ public class NetworkCmProxyRestExceptionHandler {
         return buildErrorResponse(HttpStatus.BAD_REQUEST, exception);
     }
 
+    @ExceptionHandler({DataValidationException.class})
+    public static ResponseEntity<Object> handleDataValidatedExceptions(final DataValidationException exception) {
+        return buildErrorResponse(HttpStatus.BAD_REQUEST, exception);
+    }
+
     private static ResponseEntity<Object> buildErrorResponse(final HttpStatus status, final Exception exception) {
         if (exception.getCause() != null || !(exception instanceof CpsException)) {
             log.error("Exception occurred", exception);