Can't get anything in DevTools in headless

[Samuel Yang]

Hi, 

I had compiled headless_shell and launched it successfully, and then I use devtools to remote inspect the page, I  didn't see any content about the page in the devTools.  Do you know what is going on? 

I didn't make any code change, just follow the headless guide step by step. 

I did see the output below, but I clicked the link, and the devtool panel was shown, but without any content. i.e. The "elements" menu, no content. The "source" menu, no content too. 

Inspectable WebContents

https://www.youtube.com/

[Samuel Yang]

More information, I type window.location in console, but nothing show up in console, it also cleared everything I typed before(window.location) 

在 2016年9月20日星期二 UTC+8上午10:41:41，Samuel Yang写道：

[Alex Clarke]

I suspect there's a shek between the Devtools protocol version in headless_shell and the browser you're using to debug it.  E.g. if I run headless_shell --remote-debugging-port=5001 http://some-website.com  and navigate to http://localhost:5001 with m52 it's totally broken but if I use m55 it works perfectly.

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[Alex Clarke]

s/shek/skew

[Samuel Yang]

Thanks Alex. After upgrade chrome, the remote debug works. 

在 2016年9月21日星期三 UTC+8下午10:14:08，Alex Clarke写道：

s/shek/skew

On 21 September 2016 at 15:13, Alex Clarke <alexc...@google.com> wrote:

I suspect there's a shek between the Devtools protocol version in headless_shell and the browser you're using to debug it.  E.g. if I run headless_shell --remote-debugging-port=5001 http://some-website.com  and navigate to http://localhost:5001 with m52 it's totally broken but if I use m55 it works perfectly.

On 20 September 2016 at 03:41, Samuel Yang <yangxi...@gmail.com> wrote:

Hi, 

I had compiled headless_shell and launched it successfully, and then I use devtools to remote inspect the page, I  didn't see any content about the page in the devTools.  Do you know what is going on? 

I didn't make any code change, just follow the headless guide step by step. 

I did see the output below, but I clicked the link, and the devtool panel was shown, but without any content. i.e. The "elements" menu, no content. The "source" menu, no content too. 

Inspectable WebContents

https://www.youtube.com/

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[Alex Clarke]

Try setting --remote-debugging-address=my_ip as well as --remote-debug-port=9222 

Note there is no authentication of any kind, so please don't do that on an open network.

On 22 September 2016 at 02:44, Samuel Yang <yangxi...@gmail.com> wrote:

Is it possible that I access the devtool not from localhost but from other IP?  

I tried but failed to access the my_ip:9222 from other computer.    I run headless_shell with remote-debug-port=9222

在 2016年9月22日星期四 UTC+8上午9:39:11，Samuel Yang写道：

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[Samuel Yang]

 Thank you Alex. It works.

在 2016年9月22日星期四 UTC+8下午9:22:05，Alex Clarke写道：

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[adam.sub...@gmail.com]

I'm having the same issue with Google Chrome for Mac Version 56.0.2924.87 (64-bit). I'm using 
`google-chrome --headless --disable-gpu --remote-debugging-address=0.0.0.0 --remote-debugging-port=8888 http://bokeh.pydata.org/en/latest/docs/gallery/image_rgba.html` on an AWS ubuntu instance (I know it's insecure but I'm just doing temporary testing). 

On Wednesday, September 21, 2016 at 10:13:53 AM UTC-4, Alex Clarke wrote:

I suspect there's a shek between the Devtools protocol version in headless_shell and the browser you're using to debug it.  E.g. if I run headless_shell --remote-debugging-port=5001 http://some-website.com  and navigate to http://localhost:5001 with m52 it's totally broken but if I use m55 it works perfectly.

On 20 September 2016 at 03:41, Samuel Yang <yangxi...@gmail.com> wrote:

Hi, 

I had compiled headless_shell and launched it successfully, and then I use devtools to remote inspect the page, I  didn't see any content about the page in the devTools.  Do you know what is going on? 

I didn't make any code change, just follow the headless guide step by step. 

I did see the output below, but I clicked the link, and the devtool panel was shown, but without any content. i.e. The "elements" menu, no content. The "source" menu, no content too. 

Inspectable WebContents

https://www.youtube.com/

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[Anderson Queiroz]

Hi,

I had a similar issue trying to remote debug, two things solved my problem:

1) --remote-debugging-address=MY_EXTERNAL_IP
2) when opening http://MY_EXTERNAL_IP:9299 I need to allow chrome to load "unsafe scripts".
To me at the very end of the address bar appears a button looking like a shield with a red "X" on it, just before the star to bookmark the page. If I don't click there and click on "Load unsafe scripts" the DevTools will show nothing

I hope it helps :)

Anderson de França Queiroz

Software Engineer

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[adam.sub...@gmail.com]

Thanks, that solved it! :D

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