Some jobs are receiving the following error
[2017-10-18 21:21:52.505]: The request failed with HTTP status 503: Service Unavailable.
[2017-10-18 21:21:52.521]: Error: General task validation failure.
And the other are having the following error
[2017-10-18 21:21:51.943]: com.vmware.vim.vmomi.client.common.UnexpectedStatusCodeException
[2017-10-18 21:21:52.005]: Error: General task validation failure.