{"action":"closed","issue":{"url":"https://api.github.com/repos/nodejs/node/issues/4949","labels_url":"https://api.github.com/repos/nodejs/node/issues/4949/labels{/name}","comments_url":"https://api.github.com/repos/nodejs/node/issues/4949/comments","events_url":"https://api.github.com/repos/nodejs/node/issues/4949/events","html_url":"https://github.com/nodejs/node/issues/4949","id":129725455,"number":4949,"title":"Buffer concat Error with v4.2.3","user":{"login":"calidion","id":131776,"avatar_url":"https://avatars.githubusercontent.com/u/131776?v=3","gravatar_id":"","url":"https://api.github.com/users/calidion","html_url":"https://github.com/calidion","followers_url":"https://api.github.com/users/calidion/followers","following_url":"https://api.github.com/users/calidion/following{/other_user}","gists_url":"https://api.github.com/users/calidion/gists{/gist_id}","starred_url":"https://api.github.com/users/calidion/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/calidion/subscriptions","organizations_url":"https://api.github.com/users/calidion/orgs","repos_url":"https://api.github.com/users/calidion/repos","events_url":"https://api.github.com/users/calidion/events{/privacy}","received_events_url":"https://api.github.com/users/calidion/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2016-01-29T10:23:26Z","updated_at":"2016-01-29T10:34:31Z","closed_at":"2016-01-29T10:34:31Z","body":"> Buffer.concat(['hello', 'world']);\r\nTypeError: buf.copy is not a function\r\n    at Function.Buffer.concat (buffer.js:238:9)\r\n    at repl:1:8\r\n    at REPLServer.defaultEval (repl.js:248:27)\r\n    at bound (domain.js:280:14)\r\n    at REPLServer.runBound [as eval] (domain.js:293:12)\r\n    at REPLServer.<anonymous> (repl.js:412:12)\r\n    at emitOne (events.js:82:20)\r\n    at REPLServer.emit (events.js:169:7)\r\n    at REPLServer.Interface._onLine (readline.js:210:10)\r\n    at REPLServer.Interface._line (readline.js:549:8)\r\n"}}