Managing Edge Gateway from vCloud director portal return error - java.lang.NullPointerException

java.lang.NullPointerException is generic error message on the vCloud director. Cause : If the error in the vCloud director logs contains the below highlighted messages, then this is because of the inconsistency between the vCloud director database and vCenter/NSX database for the problematic edge. This could happen if the edge interface was directly modified on the vCenter. Error in the logs : 2019-03-28 11:27:59,796 | INFO | metadataRefreshTimer | AbstractReloadingMetadataProvider | Next refresh cycle for metadata provider 'nhvr' will occur on '2019-03-28T04:27:59.796Z' ('2019-03-28T14:27:59.796+10:00' local time) | 2019-03-28 11:28:00,007 | WARN | pool-jetty-82 | Edge | feature SimpleProxiedFeatures already registered before | requestId=ab06045e-2cbe-4cb6-a7e3-cb8e68272fc2,request=POST https://director.cloud.com/cloud/amfsecure,requestTime=1553736479769,remoteAddress=10.10.2.209:5356