{"action":"opened","issue":{"url":"https://api.github.com/repos/mesosphere/marathon/issues/2538","labels_url":"https://api.github.com/repos/mesosphere/marathon/issues/2538/labels{/name}","comments_url":"https://api.github.com/repos/mesosphere/marathon/issues/2538/comments","events_url":"https://api.github.com/repos/mesosphere/marathon/issues/2538/events","html_url":"https://github.com/mesosphere/marathon/issues/2538","id":113400894,"number":2538,"title":"Cannot edit configuration through UI for apps using docker without command","user":{"login":"johngian","id":835321,"avatar_url":"https://avatars.githubusercontent.com/u/835321?v=3","gravatar_id":"","url":"https://api.github.com/users/johngian","html_url":"https://github.com/johngian","followers_url":"https://api.github.com/users/johngian/followers","following_url":"https://api.github.com/users/johngian/following{/other_user}","gists_url":"https://api.github.com/users/johngian/gists{/gist_id}","starred_url":"https://api.github.com/users/johngian/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/johngian/subscriptions","organizations_url":"https://api.github.com/users/johngian/orgs","repos_url":"https://api.github.com/users/johngian/repos","events_url":"https://api.github.com/users/johngian/events{/privacy}","received_events_url":"https://api.github.com/users/johngian/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-10-26T16:54:05Z","updated_at":"2015-10-26T16:54:05Z","closed_at":null,"body":"Version: 0.11.1\r\nSteps to reproduce:\r\n\r\n* Deploy an app using docker\r\n * Example definition: https://gist.github.com/johngian/8c843f25e9b74ef0cec7\r\n* Edit a configuration field through web UI\r\n * Go to configuration > edit\r\n * eg. edit # of instances\r\n* API response returns error: ``Invalid JSON, path:/cmd, error:minlength``\r\n\r\nExpected behaviour:\r\nSince ``command`` field can be left blank, this form submission should be valid."}}