{"action":"created","issue":{"url":"https://api.github.com/repos/GoogleChrome/puppeteer/issues/623","repository_url":"https://api.github.com/repos/GoogleChrome/puppeteer","labels_url":"https://api.github.com/repos/GoogleChrome/puppeteer/issues/623/labels{/name}","comments_url":"https://api.github.com/repos/GoogleChrome/puppeteer/issues/623/comments","events_url":"https://api.github.com/repos/GoogleChrome/puppeteer/issues/623/events","html_url":"https://github.com/GoogleChrome/puppeteer/issues/623","id":254096030,"number":623,"title":"Seeing \"Error: not opened at WebSocket.send\" during simple usage","user":{"login":"tannerlinsley","id":5580297,"avatar_url":"https://avatars0.githubusercontent.com/u/5580297?v=4","gravatar_id":"","url":"https://api.github.com/users/tannerlinsley","html_url":"https://github.com/tannerlinsley","followers_url":"https://api.github.com/users/tannerlinsley/followers","following_url":"https://api.github.com/users/tannerlinsley/following{/other_user}","gists_url":"https://api.github.com/users/tannerlinsley/gists{/gist_id}","starred_url":"https://api.github.com/users/tannerlinsley/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tannerlinsley/subscriptions","organizations_url":"https://api.github.com/users/tannerlinsley/orgs","repos_url":"https://api.github.com/users/tannerlinsley/repos","events_url":"https://api.github.com/users/tannerlinsley/events{/privacy}","received_events_url":"https://api.github.com/users/tannerlinsley/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":28,"created_at":"2017-08-30T18:37:22Z","updated_at":"2017-12-13T08:04:04Z","closed_at":null,"author_association":"NONE","body":"We have deployed a very simple instance of Puppeteer to the cloud using docker.  Everything works perfectly in the beginning:\r\n- Chromium is built correctly\r\n- Chromium is launched with no errors\r\n- Requests to puppeteer are issued to:\r\n  - Open a new page\r\n  - Evaluates a very simple script (to scrape some text)\r\n  - Then closes the page\r\n\r\nI am able to get a few successful requests out of puppeteer, but after a bit, I see the following error\r\n```\r\nERROR: Error: not opened at WebSocket.send (/usr/src/app/node_modules/ws/lib/WebSocket.js:355:18) at Connection.send (/usr/src/app/node_modules/puppeteer/lib/Connection.js:72:14) at Browser.newPage (/usr/src/app/node_modules/puppeteer/lib/Browser.js:44:47) at _callee$ (/usr/src/app/lib/utils/chrome.js:53:22) at tryCatch (/usr/src/app/node_modules/regenerator-runtime/runtime.js:65:40) at Generator.invoke [as _invoke] (/usr/src/app/node_modules/regenerator-runtime/runtime.js:303:22) at Generator.prototype.(anonymous function) [as next] (/usr/src/app/node_modules/regenerator-runtime/runtime.js:117:21) at step (/usr/src/app/node_modules/babel-runtime/helpers/asyncToGenerator.js:17:30) at /usr/src/app/node_modules/babel-runtime/helpers/asyncToGenerator.js:28:13 at <anonymous>\r\n```\r\nand the chromium/puppeteer *appears* to crash (meaning I continually receive the same error when attempting to create a new page on a new request)\r\n\r\nAny ideas here?"},"comment":{"url":"https://api.github.com/repos/GoogleChrome/puppeteer/issues/comments/351313632","html_url":"https://github.com/GoogleChrome/puppeteer/issues/623#issuecomment-351313632","issue_url":"https://api.github.com/repos/GoogleChrome/puppeteer/issues/623","id":351313632,"user":{"login":"fengliner","id":6862756,"avatar_url":"https://avatars2.githubusercontent.com/u/6862756?v=4","gravatar_id":"","url":"https://api.github.com/users/fengliner","html_url":"https://github.com/fengliner","followers_url":"https://api.github.com/users/fengliner/followers","following_url":"https://api.github.com/users/fengliner/following{/other_user}","gists_url":"https://api.github.com/users/fengliner/gists{/gist_id}","starred_url":"https://api.github.com/users/fengliner/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/fengliner/subscriptions","organizations_url":"https://api.github.com/users/fengliner/orgs","repos_url":"https://api.github.com/users/fengliner/repos","events_url":"https://api.github.com/users/fengliner/events{/privacy}","received_events_url":"https://api.github.com/users/fengliner/received_events","type":"User","site_admin":false},"created_at":"2017-12-13T08:04:04Z","updated_at":"2017-12-13T08:04:04Z","author_association":"NONE","body":"same problem when running in docker， but is fine running Node and Chrome natively "}}
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