I've faced a similar issue, while my system was running out of space. thrown by migration tool, https://github.com/puppeteer/puppeteer/blob/master/docs/troubleshooting.md#running-puppeteer-in-docker.

to your account, N/A (Not able to reproduce consistently.). I have a small suite of tests based on Puppeteer with Jest, and I can't get rid of the following problem: when I am running a single specific test (ex: yarn test myscenario.test.js) everything works just fine; the problem occurs when I am running the entire test suite (about 20 tests) using yarn test command, some of my tests are failing with following error:
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This will prevent Appium not finding a matching local emulator/simulator/real device and start using the default path: '/' that WebdriverIO uses. @saurabh147sharma Did you try increasing the memory of your docker container as mentioned in this comment below?

at Page._onTargetCrashed (/node_modules/puppeteer/lib/Page.js:216:24) at CDPSession. (/node_modules/puppeteer/lib/Page.js:124:56) at CDPSession.emit (events.js:223:5) at CDPSession.EventEmitter.emit (domain.js:475:20) at CDPSession._onMessage (/node_modules/puppeteer/lib/Connection.js:200:12) at Connection._onMessage (/node_modules/puppeteer/lib/Connection.js:112:17) at WebSocket. (/node_modules/puppeteer/lib/WebSocketTransport.js:44:24) at WebSocket.onMessage (/node_modules/ws/lib/event-target.js:120:16) at WebSocket.emit (events.js:223:5) at WebSocket.EventEmitter.emit (domain.js:475:20) at Receiver.receiverOnMessage (/node_modules/ws/lib/websocket.js:789:20) at Receiver.emit (events.js:223:5) at Receiver.EventEmitter.emit (domain.js:475:20) at Receiver.dataMessage (/node_modules/ws/lib/receiver.js:422:14) at Receiver.getData (/node_modules/ws/lib/receiver.js:352:17) at Receiver.startLoop (/node_modules/ws/lib/receiver.js:138:22) } Also, did you try to launch in non-headless mode to check what exactly is happening during the test execution? It's something like: After creating around 20-25 PDFs it gives uncaughtException. What plans do the Biden-Harris administration have for helping and contributing to the African-American Community? Contribute to smooth-code/jest-puppeteer development by creating an account on GitHub. You might need to continue using runInBand or set the maximum number of workers (, Each test is opening a new browser instance with a fresh tab, but yes, seems that the problem occurs due to parallel execution. WebdriverIO will only fallback to Puppeteer if it can't find a browser driver running. Running all tests files at the same time is causing multiple Chromium sessions causing long load times. How can you tell if it's safe to hang weight from the ceiling? Asking for help, clarification, or responding to other answers. Writing Tests with Puppeteer and Jest. With the update to v6 you will now automatically get access to our new native embedded assertion library expect-webdriverio. All these additional plugins require specific configurations in your wdio.conf.js and we want to make sure that all these settings are being made standardised structure. Also run your nodejs script and simultaneously run this command htop in your terminal to see how much memory is used while the script runs. I needed to run them sequentially to reduce the memory usage and after adding this flag to my jest test command: --runinband, things are working again. error. You signed in with another tab or window.

Already on GitHub? The Overflow #47: How to lead with clarity and empathy in the remote world, Creating new Help Center documents for Review queues: Project overview, Feature Preview: New Review Suspensions Mod UX. Not using the local executable throws "Page Crashed!". You can also disable the timeout by passing the value 0. We already announced support for it last year and have now fully embed it into the project. Why are red and blue light refracted differently if they travel at the same speed in the same medium? We strongly advise to switch to Node v12 which will be supported until April 2022.

I faced the same problem for getting full html content on k8s. Millions of developers and companies build, ship, and maintain their software on GitHub — the largest and most advanced development platform in the world.

Sign in @ta-run , did you manage to find a fix? Because of the great success of automation tools like Puppeteer and Cypress.io it became obvious that the WebDriver protocol in its current shape and form doesn't meet the requirements of todays developer and automation engineers. How to dispatch a Redux action with a timeout? Deprecation notice: We are moving our efforts to theheadless.dev, a new free & open source knowledge base for Puppeteer AND Playwright.Idea is the same: practical examples and guides, by the community. After employing @RobinNagpal suggestion of using the --disable-dev-shm-usage flag, tests started to run again. What is the reasoning behind nighttime restrictions during pandemic? errors even with --disable-dev-shm-usage flag, Image position issue in PDF compared to screenshot in screen mode. Do you wait 15 minutes or even hours to run tests? I tried --disable-dev-shm-usage parameter but it did not work. With that we were able to reduce the bundle size of the webdriver and webdriverio package by 4x: By using got as new dependency to make requests in WebDriver we are now technically also able to run WebdriverIO in the browser which creates interesting possibilities and was a requirement for our roadmap item to build a fiddle platform for WebdriverIO scripts. Running tests on Puppeteer can already speed up your local execution. In your tests you are free to switch between Puppeteer and WebdriverIO API as you wish, e.g.

One thing is now clear, the problem occurs due to parallel execution of the tests.

Note that the term cross browser is used with quotation marks here. Now just taking a simple screenshot fails randomly. There's an example Docker setup and tips and tricks when hitting issues like this in https://github.com/GoogleChrome/puppeteer/blob/master/docs/troubleshooting.md#running-puppeteer-in-docker. If you read this and are already about to freak out because you just spent a lot of time migrating to v5, don't worry! In the past we have been adding a lot of additional functionality into single commands like click to serve different purposes. Suite is executed correctly when using, How to increase Navigation Timeout when running Puppeteer tests with Jest, facebook.github.io/jest/docs/en/cli.html#maxworkers-num. Why is there 5GB of unallocated space on my disk on Windows 10 machine? It turns out that jest tests run in parallel by default, and my refactoring had resulted in a lot more tests running at the same time, all starting puppeteer at once which used up more memory than allotted. Google Puppeteer ... How to run parallel tests on your CI server to execute 1-hour test suite in 2 minutes?

The problem was that there wasn't enough memory in my VM so it kept giving me this error. (node:124162) UnhandledPromiseRejectionWarning: Error: Page crashed! You can find a detailed description on how to install NVM and update Node in their project readme. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. In v6 the example above needs to be modified as to become this: As part of this effort we also looked into the service option names and renamed to be more short and precise. These needs to be moved into the service list according to the example above. We have not planned to integrate Playwright as we can not affort to download their custom build browsers every time someone installs WebdriverIO. and a single test is executed in about 6-7 seconds. The thing is that all my tests already have a specific timeout already set (99999 ms !!) WebdriverIO checks if a browser driver is running and accessible at localhost:4444/ and uses Puppeteer as fallback if not. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. With that the code becomes much more readable and allows better type enforcement when using TypeScript.

Thanks for contributing an answer to Stack Overflow! We might ask code contributors to provide a similar PR that has been made to the master branch also to the v5 branch.

It seems: You've defined 'page' at the top of the scope, therefore, every test case is going to share the instance of the page variable. error for presentations with large data-background-image, https://github.com/GoogleChrome/puppeteer/blob/master/docs/troubleshooting.md#tips, Cryptic "Page crashed!" This major update is much more reasonable and contains subtle changes that will help the project further grow while remaining performant at the same time.

https://gist.github.com/gajus/3426d738dde10ce3c9a9bb39138578ea, https://github.com/GoogleChrome/puppeteer/blob/master/docs/troubleshooting.md#running-puppeteer-in-docker, https://stackoverflow.com/a/46434614/368691, UnhandledPromiseRejectionWarning: Page crashed, "Page crashed!" For more information, see our Privacy Statement. In console: That answer did not explain what the error means. I'm also getting a similar result with trying to run lots of puppeteer tests in parallel. You can always update your selection by clicking Cookie Preferences at the bottom of the page. Error: Page crashed! have the same issue, the question here is why is an unhandled promise rejection? The problem is the issue is too old and we might need to create different issue. Especially when it comes to fetching elements we were able to reduce a lot of overhead and spead things up: These improvements come for free and you don't need to do anything to better performance in v6 when upgrading.