Update application.yml

application.yml

@@ -28,7 +28,7 @@ management:
     alwaysSample: true
     egressIgnorePattern: /api/v2/spans|/v2/apps/.*/permissions|/eureka/.*|/oauth/.*
     useShortTraceIds: true
-    exporter
+    exporter:
       zipkin:
         endpoint: http://localhost:9411/api/v2/spans
         validateCertificates: false