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Apache is running a threaded MPM, but your PHP Module is not compiled to be threadsafe. You need to recompile PHP.

27.12.2013

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After installing Apache2, MySQL & PHP on Debian wheezy 7.1, I tried to reboot the apache server. It showed me the following error.
Starting web server: apache2[Fri Dec 27 11:29:16 2013] [crit] Apache is running a threaded MPM, but your PHP Module is not compiled to be threadsafe. You need to recompile PHP. Pre-configuration failed Action 'start' failed. The Apache error log may have more information. failed!

So I searched through the internet to recomplie the PHP Source. But none of the tutorials were best and feasible.

Finally, after long try I found the command below that helped me to run the apache and PHP along.
apt-get install apache2-mpm-prefork

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6 responses to “Apache is running a threaded MPM, but your PHP Module is not compiled to be threadsafe. You need to recompile PHP.”

balintant

2014.03.22

Thank you so much! You saved 2 days for me. 🙂

Reply
1. admin
  
  2014.04.01
  
  Thank you for reading from my blog. 🙂
  
  Reply
Waldenylson

2014.04.01

Thanks guy, you save me, 1 day trying…

Reply
1. admin
  
  2014.04.01
  
  Always welcome 🙂
  
  Reply
JD

2014.09.23

I’m not entirely sure that enabling prefork is a solution, more like a bad workaround due to a really poor decision on the part of the Ubuntu devs to bundle PHP pre-compiled without thread support.

Reply
Maths

2014.11.27

Didnt work for me. Using Ubuntu 14.04 and apache 2.4.7. I still have the same error after installing this. 🙁

Reply