Re: shell_exec causing empty server response/possible apache restart

Oh wow, this was so in my face and I didn't even realize it. This makes complete sense. Thank you! On Thu, May 16, 2019 at 10:35 AM Jose Nobile <jose.nobile@gmail.com> wrote: > Hello, > > It is because you are creating a new website, that means add a new virtual > host in Apache, that means a graceful restart. The problem is not the PHP > execution. > > A common approach ... Add the task of the website creation in a queue, and > such queue is processed by a cronjob or similar. I recommend redis for the > queue. > > Regards, > José Nobile > > > On Thu, May 16, 2019 at 12:31 PM Justin Welenofsky <welenofsky@gmail.com> > wrote: > >> Hello everyone, >> >> I am having a really perplexing problem when trying to run shell_exec >> from a web page and it causing a empty response from server. I am trying to >> shell_exec a script that calls vesta commands that create new site/new >> database. I created a form/webpage that takes the new domain and DB info >> from a user and calls the bash script with shell_exec. It seems to fully >> run, creating the site and the database but server responds back with an >> empty response and the browser loses the connection to server. When I look >> at the apache error logs I reliably get >> >> [Thu May 16 10:17:47.927392 2019] [mpm_prefork:notice] [pid 25471] >> AH00171: Graceful restart requested, doing restart >> [Thu May 16 10:17:48.439378 2019] [:notice] [pid 25471] mod_ruid2/0.9.8 >> enabled >> [Thu May 16 10:17:48.448382 2019] [mpm_prefork:notice] [pid 25471] >> AH00163: Apache/2.4.33 (Ubuntu) mod_fcgid/2.3.9 OpenSSL/1.1.0h configured >> -- resuming normal operations >> >> every single time I submit the form ( so I don’t think this is a normal >> log rotation ) and wondering how I can debug this further/find out why >> apache restarts when running this shell command via shell_exec (edited) >> >> I have used remote debugging and it seems to get the output back from >> shell_exec and successfully stores it in variable and PHP script steps all >> the way way through till response. But immediately after shell_exec line >> runs I get the empty response from server and my browser loses its >> connection. >> To debug I have tried running a PHP server with php -S addr:port and ssh >> tunnling the connection from the webserver to my computer so I can access >> the webpage and submit the form and that works just fine so I am guessing >> this may be an issue with apache? >> >> My main question is does anyone know what may be causing this or even how >> I could do to debug this further? >> >> Regards, >> Justin Welenofsky >> >