{"action":"closed","issue":{"url":"https://api.github.com/repos/socketio/engine.io/issues/307","repository_url":"https://api.github.com/repos/socketio/engine.io","labels_url":"https://api.github.com/repos/socketio/engine.io/issues/307/labels{/name}","comments_url":"https://api.github.com/repos/socketio/engine.io/issues/307/comments","events_url":"https://api.github.com/repos/socketio/engine.io/issues/307/events","html_url":"https://github.com/socketio/engine.io/issues/307","id":58353872,"number":307,"title":"Socket closed with transport error \"Error: not opened\"","user":{"login":"timjrobinson","id":525534,"avatar_url":"https://avatars.githubusercontent.com/u/525534?v=3","gravatar_id":"","url":"https://api.github.com/users/timjrobinson","html_url":"https://github.com/timjrobinson","followers_url":"https://api.github.com/users/timjrobinson/followers","following_url":"https://api.github.com/users/timjrobinson/following{/other_user}","gists_url":"https://api.github.com/users/timjrobinson/gists{/gist_id}","starred_url":"https://api.github.com/users/timjrobinson/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/timjrobinson/subscriptions","organizations_url":"https://api.github.com/users/timjrobinson/orgs","repos_url":"https://api.github.com/users/timjrobinson/repos","events_url":"https://api.github.com/users/timjrobinson/events{/privacy}","received_events_url":"https://api.github.com/users/timjrobinson/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":2,"created_at":"2015-02-20T13:39:22Z","updated_at":"2016-10-25T00:42:14Z","closed_at":"2016-10-25T00:42:14Z","body":"I recently updated my app from engine.io 1.3.3 to 1.5.1 and have started seeing the following error which I haven't seen before. Any ideas what could be causing it:\r\n\r\nI got this listening on the \"close\" event for the socket. \r\n\r\nReason: transport error\r\nDescription:\r\n```\r\nError: not opened\r\nat WebSocket.send (/home/ubuntu/newclient/node_modules/engine.io/node_modules/ws/lib/WebSocket.js:198:38)\r\nat /home/ubuntu/newclient/node_modules/engine.io/lib/transports/websocket.js:91:19\r\nat Object.exports.encodePacket (/home/ubuntu/newclient/node_modules/engine.io/node_modules/engine.io-parser/lib/index.js:81:10)\r\nat WebSocket.send (/home/ubuntu/newclient/node_modules/engine.io/lib/transports/websocket.js:88:12)\r\nat Socket.flush (/home/ubuntu/newclient/node_modules/engine.io/lib/socket.js:341:20)\r\nat WebSocket.emit (events.js:117:20)\r\nat /home/ubuntu/newclient/node_modules/engine.io/lib/transports/websocket.js:94:14\r\nat afterWrite (_stream_writable.js:277:3)\r\nat _stream_writable.js:266:9\r\nat process._tickDomainCallback (node.js:463:13)\r\n```"}}
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