{"action":"opened","issue":{"url":"https://api.github.com/repos/andypetrella/spark-notebook/issues/299","labels_url":"https://api.github.com/repos/andypetrella/spark-notebook/issues/299/labels{/name}","comments_url":"https://api.github.com/repos/andypetrella/spark-notebook/issues/299/comments","events_url":"https://api.github.com/repos/andypetrella/spark-notebook/issues/299/events","html_url":"https://github.com/andypetrella/spark-notebook/issues/299","id":101574295,"number":299,"title":"Non-string values in \"Spark Conf\" JSON-like blob causes silent notebook failure","user":{"login":"ryan-williams","id":465045,"avatar_url":"https://avatars.githubusercontent.com/u/465045?v=3","gravatar_id":"","url":"https://api.github.com/users/ryan-williams","html_url":"https://github.com/ryan-williams","followers_url":"https://api.github.com/users/ryan-williams/followers","following_url":"https://api.github.com/users/ryan-williams/following{/other_user}","gists_url":"https://api.github.com/users/ryan-williams/gists{/gist_id}","starred_url":"https://api.github.com/users/ryan-williams/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ryan-williams/subscriptions","organizations_url":"https://api.github.com/users/ryan-williams/orgs","repos_url":"https://api.github.com/users/ryan-williams/repos","events_url":"https://api.github.com/users/ryan-williams/events{/privacy}","received_events_url":"https://api.github.com/users/ryan-williams/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-08-18T05:27:39Z","updated_at":"2015-08-18T05:27:39Z","closed_at":null,"body":"When setting the \"Spark Conf\" values of a new YARN notebook:\r\n\r\n![](http://f.cl.ly/items/0H3N1u0Q302A232l2i3p/Screen%20Shot%202015-08-17%20at%2011.51.19%20PM.png)\r\n\r\nAdding a line like `”spark.executor.cores”: 2` causes the notebook to spin up and appear to be loaded successfully, except no YARN app will have been created.\r\n\r\nAdding `”spark.executor.cores”: \"2\"` instead works.\r\n\r\nFailing silently on such an \"error\" seems like bad behavior."}}