{"action":"opened","issue":{"url":"https://api.github.com/repos/strongloop/loopback/issues/2347","repository_url":"https://api.github.com/repos/strongloop/loopback","labels_url":"https://api.github.com/repos/strongloop/loopback/issues/2347/labels{/name}","comments_url":"https://api.github.com/repos/strongloop/loopback/issues/2347/comments","events_url":"https://api.github.com/repos/strongloop/loopback/issues/2347/events","html_url":"https://github.com/strongloop/loopback/issues/2347","id":155262274,"number":2347,"title":"Error: Cannot GET /{}","user":{"login":"JoeShi","id":2173635,"avatar_url":"https://avatars.githubusercontent.com/u/2173635?v=3","gravatar_id":"","url":"https://api.github.com/users/JoeShi","html_url":"https://github.com/JoeShi","followers_url":"https://api.github.com/users/JoeShi/followers","following_url":"https://api.github.com/users/JoeShi/following{/other_user}","gists_url":"https://api.github.com/users/JoeShi/gists{/gist_id}","starred_url":"https://api.github.com/users/JoeShi/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/JoeShi/subscriptions","organizations_url":"https://api.github.com/users/JoeShi/orgs","repos_url":"https://api.github.com/users/JoeShi/repos","events_url":"https://api.github.com/users/JoeShi/events{/privacy}","received_events_url":"https://api.github.com/users/JoeShi/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-05-17T13:40:52Z","updated_at":"2016-05-17T13:40:52Z","closed_at":null,"body":"My loopback server sometimes emit the following error. From the error message, it says cannot `GET /{} error `. \r\n\r\nWhat is the meaning of `GET /{}`, is it same as 'GET /'?  There is something in my client root, so it should not return 404.\r\n\r\n\r\n```\r\n2016-05-17T12:59:50.998Z pid:5742 worker:14 Error: Cannot GET /{}\r\n2016-05-17T12:59:50.998Z pid:5742 worker:14     at raiseUrlNotFoundError (/var/lib/strong-pm/svc/3/work/d1d4b05e0ed7989b1d97e26f45fefaea8fa04a09.1463481685858/node_modules/loopback/server/middleware/url-not-found.js:15:17)\r\n2016-05-17T12:59:50.998Z pid:5742 worker:14     at Layer.handle [as handle_request] (/var/lib/strong-pm/svc/3/work/d1d4b05e0ed7989b1d97e26f45fefaea8fa04a09.1463481685858/node_modules/express/lib/router/layer.js:95:5)\r\n2016-05-17T12:59:50.998Z pid:5742 worker:14     at trim_prefix (/var/lib/strong-pm/svc/3/work/d1d4b05e0ed7989b1d97e26f45fefaea8fa04a09.1463481685858/node_modules/express/lib/router/index.js:312:13)\r\n2016-05-17T12:59:50.998Z pid:5742 worker:14     at /var/lib/strong-pm/svc/3/work/d1d4b05e0ed7989b1d97e26f45fefaea8fa04a09.1463481685858/node_modules/express/lib/router/index.js:280:7\r\n2016-05-17T12:59:50.999Z pid:5742 worker:14     at Function.process_params (/var/lib/strong-pm/svc/3/work/d1d4b05e0ed7989b1d97e26f45fefaea8fa04a09.1463481685858/node_modules/express/lib/router/index.js:330:12)\r\n2016-05-17T12:59:50.999Z pid:5742 worker:14     at next (/var/lib/strong-pm/svc/3/work/d1d4b05e0ed7989b1d97e26f45fefaea8fa04a09.1463481685858/node_modules/express/lib/router/index.js:271:10)\r\n2016-05-17T12:59:50.999Z pid:5742 worker:14     at SendStream.error (/var/lib/strong-pm/svc/3/work/d1d4b05e0ed7989b1d97e26f45fefaea8fa04a09.1463481685858/node_modules/serve-static/index.js:120:7)\r\n2016-05-17T12:59:50.999Z pid:5742 worker:14     at emitOne (events.js:77:13)\r\n2016-05-17T12:59:50.999Z pid:5742 worker:14     at SendStream.emit (events.js:169:7)\r\n2016-05-17T12:59:50.999Z pid:5742 worker:14     at SendStream.error (/var/lib/strong-pm/svc/3/work/d1d4b05e0ed7989b1d97e26f45fefaea8fa04a09.1463481685858/node_modules/send/index.js:245:17)\r\n```"}}