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apacheubuntuapache2

apache2.service: Control process exited, code=exited status=139

I install apache2 on ubuntu 18.04. This is fresh install with all default configuration.

I tried to start apache2 but failed. And this is what I see.

# systemctl status apache2.service 
● apache2.service - The Apache HTTP Server
   Loaded: loaded (/lib/systemd/system/apache2.service; enabled; vendor preset: enabled)
  Drop-In: /lib/systemd/system/apache2.service.d
           └─apache2-systemd.conf
   Active: failed (Result: exit-code) since Wed 2020-03-11 23:17:35 WIB; 13s ago
  Process: 9151 ExecStart=/usr/sbin/apachectl start (code=exited, status=139)

Mar 11 23:17:35 xdn.id systemd[1]: Starting The Apache HTTP Server...
Mar 11 23:17:35 xdn.id apachectl[9151]: Segmentation fault
Mar 11 23:17:35 xdn.id apachectl[9151]: Action 'start' failed.
Mar 11 23:17:35 xdn.id apachectl[9151]: The Apache error log may have more information.
Mar 11 23:17:35 xdn.id systemd[1]: apache2.service: Control process exited, code=exited status=139
Mar 11 23:17:35 xdn.id systemd[1]: apache2.service: Failed with result 'exit-code'.
Mar 11 23:17:35 xdn.id systemd[1]: Failed to start The Apache HTTP Server.

When I check /var/log/apache2/error.log, there is empty.

What's wrong with this error?

Solution

  • The "status=139" error must have something to do with having multiple, conflicting versions of PHP enabled.

    I am running 18.04 and an old PHP site I run only locally ceased to work. I am guessing aptitude installed and enabled php7.2, possibly when I installed kubuntu-desktop a few weeks back.

    Regardless, I had two versions of PHP enabled:

     $ cd /etc/apache2/
 $ l mods-*/php*
-rw-r--r-- 1 root root 867 Jun  9  2017 mods-available/php5.6.conf
-rw-r--r-- 1 root root 102 Jun  9  2017 mods-available/php5.6.load
-rw-r--r-- 1 root root 867 Mar  2  2017 mods-available/php7.0.conf
-rw-r--r-- 1 root root 102 Oct  1  2018 mods-available/php7.0.load
-rw-r--r-- 1 root root 855 Jul  7  2017 mods-available/php7.1.conf
-rw-r--r-- 1 root root 102 Jul  7  2017 mods-available/php7.1.load
-rw-r--r-- 1 root root 855 Feb  8  2019 mods-available/php7.2.conf
-rw-r--r-- 1 root root 102 Feb  8  2019 mods-available/php7.2.load
lrwxrwxrwx 1 root root  29 Jul  1  2017 mods-enabled/php5.6.conf -> ../mods-available/php5.6.conf
lrwxrwxrwx 1 root root  29 Jul  1  2017 mods-enabled/php5.6.load -> ../mods-available/php5.6.load
lrwxrwxrwx 1 root root  29 May 28 06:05 mods-enabled/php7.2.conf -> ../mods-available/php7.2.conf
lrwxrwxrwx 1 root root  29 May 28 06:05 mods-enabled/php7.2.load -> ../mods-available/php7.2.load

    In my case, I am fine with using php5.6, because the site is not online and is purely for my local use only. So disabling 7.2 did the trick:

    sudo a2dismod php7.2

    Now my php mods-enabled are less confusing to apache3:

     $ l mods-*/php*
-rw-r--r-- 1 root root 867 Jun  9  2017 mods-available/php5.6.conf
-rw-r--r-- 1 root root 102 Jun  9  2017 mods-available/php5.6.load
-rw-r--r-- 1 root root 867 Mar  2  2017 mods-available/php7.0.conf
-rw-r--r-- 1 root root 102 Oct  1  2018 mods-available/php7.0.load
-rw-r--r-- 1 root root 855 Jul  7  2017 mods-available/php7.1.conf
-rw-r--r-- 1 root root 102 Jul  7  2017 mods-available/php7.1.load
-rw-r--r-- 1 root root 855 Feb  8  2019 mods-available/php7.2.conf
-rw-r--r-- 1 root root 102 Feb  8  2019 mods-available/php7.2.load
lrwxrwxrwx 1 root root  29 Jul  1  2017 mods-enabled/php5.6.conf -> ../mods-available/php5.6.conf
lrwxrwxrwx 1 root root  29 Jul  1  2017 mods-enabled/php5.6.load -> ../mods-available/php5.6.load

    Naturally for a live site one would want to disable php-5.6 and leave the php7.2 enabled, because you should run the newer version in real life.

    sudo a2dismod php5.6
sudo a2enmod php7.2

    Then the php mods should look like this:

     $ l mods-*/php*
-rw-r--r-- 1 root root 867 Jun  9  2017 mods-available/php5.6.conf
-rw-r--r-- 1 root root 102 Jun  9  2017 mods-available/php5.6.load
-rw-r--r-- 1 root root 867 Mar  2  2017 mods-available/php7.0.conf
-rw-r--r-- 1 root root 102 Oct  1  2018 mods-available/php7.0.load
-rw-r--r-- 1 root root 855 Jul  7  2017 mods-available/php7.1.conf
-rw-r--r-- 1 root root 102 Jul  7  2017 mods-available/php7.1.load
-rw-r--r-- 1 root root 855 Feb  8  2019 mods-available/php7.2.conf
-rw-r--r-- 1 root root 102 Feb  8  2019 mods-available/php7.2.load
lrwxrwxrwx 1 root root  29 May 29 17:43 mods-enabled/php7.2.conf -> ../mods-available/php7.2.conf                                                                         
lrwxrwxrwx 1 root root  29 May 29 17:43 mods-enabled/php7.2.load -> ../mods-available/php7.2.load

    Don't forget to resatart the server!

    systemctl restart apache2

    Thanks to Pavel's comment for inspiring this line of research!