Unable to access chrome internal pages in headless mode

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chaudhary...@gmail.com

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Jun 18, 2020, 2:23:50 AM6/18/20

to ChromeDriver Users

Hello!

All chrome internal pages (e.g., chrome://downloads) are showing blank in headless mode and working in normal mode.

Code to reproduce (Java)

webdriver.get("chrome://downloads/");

System.out.println(webdriver.getPageSource());

Output

Output Without headless argument (and nothing else changed)

chrome://downloads page is successfully opening

able to get 1533 lines as source

Details

Selenium Java: 3.141.59

ChromedriverVersion: 83.0.4103.39

Using remote web driver

OS: MacOS 10.15.4

Chrome Options

options.addArguments("headless");
options.addArguments("disable-notifications");
options.addArguments("disable-application-cache");
options.addArguments("disable-features=IsolateOrigins,site-per-process");   //for network calls of iframes
options.addArguments("no-sandbox");                                         //for running in docker without chrome user
options.addArguments("disable-dev-shm-usage");                              //write shared memory files into /tmp instead of /dev/shm
options.addArguments("user-agent="+"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.117 Safari/537.36");

options.setExperimentalOption("w3c", false);
options.setExperimentalOption("excludeSwitches", new String[]{"enable-automation"});

It's important for me to open downloads page and I don't want to use file reader in downloads folder or anything.

Please help!!

John Chen

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Jun 18, 2020, 12:30:24 PM6/18/20

to chaudhary...@gmail.com, ChromeDriver Users

Most chrome internal pages are not implemented in headless mode. This is a limitation of headless Chrome itself, and is not related to ChromeDriver. If you need a particular internal page available in headless Chrome, please file a feature request at https://crbug.com/.

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