{"action":"opened","issue":{"url":"https://api.github.com/repos/dart-lang/barback/issues/43","labels_url":"https://api.github.com/repos/dart-lang/barback/issues/43/labels{/name}","comments_url":"https://api.github.com/repos/dart-lang/barback/issues/43/comments","events_url":"https://api.github.com/repos/dart-lang/barback/issues/43/events","html_url":"https://github.com/dart-lang/barback/issues/43","id":85647658,"number":43,"title":"Using pub serve on dartdoc-viewer, sometimes hangs on \"Loading observe transformers\"","user":{"login":"DartBot","id":8958862,"avatar_url":"https://avatars.githubusercontent.com/u/8958862?v=3","gravatar_id":"","url":"https://api.github.com/users/DartBot","html_url":"https://github.com/DartBot","followers_url":"https://api.github.com/users/DartBot/followers","following_url":"https://api.github.com/users/DartBot/following{/other_user}","gists_url":"https://api.github.com/users/DartBot/gists{/gist_id}","starred_url":"https://api.github.com/users/DartBot/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/DartBot/subscriptions","organizations_url":"https://api.github.com/users/DartBot/orgs","repos_url":"https://api.github.com/users/DartBot/repos","events_url":"https://api.github.com/users/DartBot/events{/privacy}","received_events_url":"https://api.github.com/users/DartBot/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/dart-lang/barback/labels/bug","name":"bug","color":"fc2929"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-06-05T22:30:12Z","updated_at":"2015-06-05T22:30:12Z","closed_at":null,"body":"<a href=\"https://github.com/alan-knight\"><img src=\"https://avatars.githubusercontent.com/u/3476088?v=3\" align=\"left\" width=\"96\" height=\"96\"hspace=\"10\"></img></a> **Issue by [alan-knight](https://github.com/alan-knight)**\n_Originally opened as dart-lang/sdk#18031_\n\n----\n\nI've seen this several times in the last couple of days, though it's not reliable. If I do a pub serve on dartdoc-viewer (in the useHistory branch, polymer 0.9.5) it waits forever on loading the observable transformers\n\npub serve\nLoading source assets... \nLoading observe transformers... (56.6s)\n\nI've not seen it happen when doing a pub build, and it's not consistent. I just did it three times and it happened the first two but not the third."}}