Added validation expection

Author: pokki-deploy

src/main/java/in/erail/route/OpenAPI3RouteBuilder.java

@@ -183,12 +183,14 @@ public HttpServerResponse buildResponseFromReply(JsonObject pReplyResponse, Rout
             .filter(t -> t.isPresent())
             .forEach(t -> pContext.addCookie(t.get()));
 
-    Optional<byte[]> body = Optional.ofNullable(response.getBody());
+    Optional<byte[]> body = Optional
+            .ofNullable(response.getBody());
 
     body.ifPresent((t) -> {
       pContext.response().putHeader(HttpHeaderNames.CONTENT_LENGTH.toString(), Integer.toString(t.length));
       pContext.response().write(Buffer.buffer(t));
     });
+
     return pContext.response();
   }
 
@@ -250,6 +252,18 @@ public Router getRouter(Router pRouter) {
                                   .setStatusCode(400)
                                   .end(routingContext.failure().toString());
                         });
+                        apiFactory.setValidationFailureHandler((routingContext) -> {
+                          routingContext
+                                  .response()
+                                  .setStatusCode(400)
+                                  .end(routingContext.failure().toString());
+                        });
+                        apiFactory.setNotImplementedFailureHandler((routingContext) -> {
+                          routingContext
+                                  .response()
+                                  .setStatusCode(400)
+                                  .end(routingContext.failure().toString());
+                        });
                       });
             });