2017-08-21 02:46:13 +00:00
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# Troubleshooting
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2017-08-28 17:21:54 +00:00
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## Chrome headless doesn't launch
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2017-08-21 02:46:13 +00:00
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2017-08-28 17:21:54 +00:00
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- Make sure all the necessary dependencies are installed:
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2017-08-21 02:46:13 +00:00
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<details>
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2017-08-28 17:21:54 +00:00
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<summary>Debian (e.g. Ubuntu) Dependencies</summary>
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2017-08-21 02:46:13 +00:00
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```
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gconf-service
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libasound2
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libatk1.0-0
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libc6
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libcairo2
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libcups2
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libdbus-1-3
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libexpat1
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libfontconfig1
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libgcc1
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libgconf-2-4
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libgdk-pixbuf2.0-0
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libglib2.0-0
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libgtk-3-0
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libnspr4
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libpango-1.0-0
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libpangocairo-1.0-0
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libstdc++6
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libx11-6
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libx11-xcb1
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libxcb1
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libxcomposite1
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libxcursor1
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libxdamage1
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libxext6
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libxfixes3
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libxi6
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libxrandr2
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libxrender1
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libxss1
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libxtst6
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ca-certificates
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fonts-liberation
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libappindicator1
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libnss3
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lsb-release
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xdg-utils
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wget
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```
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</details>
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2017-08-28 17:21:54 +00:00
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<details>
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<summary>CentOS Dependencies</summary>
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```
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pango.x86_64
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libXcomposite.x86_64
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libXcursor.x86_64
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libXdamage.x86_64
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libXext.x86_64
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libXi.x86_64
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libXtst.x86_64
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cups-libs.x86_64
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libXScrnSaver.x86_64
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libXrandr.x86_64
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GConf2.x86_64
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alsa-lib.x86_64
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atk.x86_64
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gtk3.x86_64
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ipa-gothic-fonts
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xorg-x11-fonts-100dpi
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xorg-x11-fonts-75dpi
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xorg-x11-utils
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xorg-x11-fonts-cyrillic
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xorg-x11-fonts-Type1
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xorg-x11-fonts-misc
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```
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</details>
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- Check out discussions:
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- [#290](https://github.com/GoogleChrome/puppeteer/issues/290) - Debian troubleshooting
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- [#391](https://github.com/GoogleChrome/puppeteer/issues/391) - CentOS troubleshooting
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2017-08-21 02:46:13 +00:00
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## Chrome Headless fails due to sandbox issues
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- make sure kernel version is up-to-date
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- read about linux sandbox here: https://chromium.googlesource.com/chromium/src/+/master/docs/linux_suid_sandbox_development.md
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- try running without the sandbox (**Note: running without the sandbox is not recommended due to security reasons!**)
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```js
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const browser = await puppeteer.launch({args: ['--no-sandbox', '--disable-setuid-sandbox']});
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```
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2017-09-08 22:25:43 +00:00
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## Running Puppeteer in Docker
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Using headless Chrome Linux to run Puppeteer in Docker container can be tricky.
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The bundled version Chromium that Puppeteer installs is missing the necessary
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shared library dependencies.
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To fix this, you'll need to install the latest version of Chrome dev in your
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Dockerfile:
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```
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FROM node:8-slim
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# Install latest chrome (dev) package.
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# Note: this also installs the necessary libs so we don't need the previous RUN command.
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RUN wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - &&\
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sh -c 'echo "deb http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google-chrome.list' &&\
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apt-get update &&\
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apt-get install -y google-chrome-unstable
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# Uncomment to skip the chromium download when installing puppeteer. If you do,
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# you'll need to launch puppeteer with:
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# browser.launch({executablePath: 'google-chrome-unstable'})
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# ENV PUPPETEER_SKIP_CHROMIUM_DOWNLOAD true
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# Install puppeteer so it can be required by user code that gets ran in server.js.
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RUN yarn add puppeteer
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CMD ["google-chrome-unstable", "--no-sandbox"]
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```
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Build the container:
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```bash
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docker build -t puppeteer-chrome-linux .
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```
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Run the container by passing `node -e "<yourscript.js content as a string>` as the command:
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```bash
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docker run -i --rm --name puppeteer-chrome puppeteer-chrome-linux node -e "`cat yourscript.js`"
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```
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There's a full example at https://github.com/ebidel/try-puppeteer that shows
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how to run this setup from a webserver running on App Engine Flex (Node).
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