Re: eww/url: www connections left "open"

[raman <raman@google.com>]

Eli Zaretskii <eliz@gnu.org> writes:

I'm seeing the problem on Ubuntu Trusty. As I said -- the  waiting connections dont always affect EWW --- appears to bite when there are a lot of them around.> On December 20, 2017 6:09:24 AM GMT+02:00, raman <raman@google.com> wrote:
>> This is in emacs from Git@Head -- though the issue has been around for
>> a long time.
>> 
>> If you use EWW to open a Web site -- say 
>> http://www.cnn.com  ---  then do M-x list-processes --- you see  that
>> there is a "open" connection to www.cnn.com hanging around (likely
>> because of http keep-alive?) -- not sure. 
>> 
>> There is no such connection hanging around if you open www.gnu.org.
>> 
>> Most of the time, this is harmless and the connections go away ---
>> except when they dont, and if more than a few of these hang around,
>> then opening other URLs with EWW produces nothing. Killing those
>> hanging connections with delete-process immediately gets EWW working
>> again --- e.g. killing those connections with  the following loop:
>> 
>> (cl-loop 
>>  for p in (process-list)
>>  when (string-match "www" (process-name p))
>>  do (delete-process p))
>
> I see such connections in the process list for gnu.org as well.
> Moreover, if I open cnn.com in a browser, netstat shows me connections waiting to various addresses in cnn.com domain, exactly like I see in Emacs.
> On what OS do you get "nothing" after some such open connections?

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