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I try to install payment module from GitHub.

https://github.com/dotpay/magento2-payment

When I run first command:

composer require dotpay/magento2-payment

Then I get error:

Using version ^1.0 for dotpay/magento2-payment

    ./composer.json has been updated
    Loading composer repositorUpdating dependencies (including require-dev)                                                                                                                      
    mmap() failed: [12] Cannot allocate memory

    mmap() failed: [12] Cannot allocate memory
    PHP Fatal error:  Out of memory (allocated 553656320) (tried to allocate 4096 by                                                                                                             tes) in phar:///usr/local/bin/composer/src/Composer/DependencyResolver/Solver.ph                                                                                                             p on line 220

    Fatal error: Out of memory (allocated 553656320) (tried to allocate 4096 bytes)                                                                                                              in phar:///usr/local/bin/composer/src/Composer/DependencyResolver/Solver.php on                                                                                                              line 220

Anyone know how to solve it?

EDIT: In php.ini I increased memory_limit to 2GB and 3GB. enter image description here

Then I restart apache server (debian 9): enter image description here

again try to install and still error: enter image description here

EDIT2:

fsg@gerris:~/domains/aron.pl/public_html$ which php

/usr/local/bin/php

fsg@gerris:~/domains/aron.pl/public_html$ which composer

/usr/local/bin/composer

2

You need to increase you php memory limit.

To increase your PHP memory limit:

  1. Log in to your Magento server.

  2. Locate your php.ini file using the following command: php --ini

  3. As a user with root privileges, use a text editor to open the php.ini specified by Loaded Configuration File.

  4. Locate memory_limit.

  5. Change it to a value of 2GB for normal use and debugging.

  6. Save your changes to php.ini and exit the text editor.

  7. Restart your web server.

Examples follow:

CentOS: service httpd restart

Ubuntu: service apache2 restart

nginx (both CentOS and Ubuntu): service nginx restart

Try the installation again.

  • I have 1024m, is it too small? memory_limit = 1024M – Sylvester Mar 14 '18 at 16:23
  • It is recommended to increase it to 2GB for debugging and major installations. Remember to restart your web server. – Greg Mar 14 '18 at 16:24
  • I gave you vote because I know it should work but it does not work for me. I do not know why ! I updated my topic. – Sylvester Mar 14 '18 at 16:52
  • Dziekuje ;) Did you restart your web server after making those changes? Oh you did restart it... hymmm .... it don't look like it read it. What happens when you run put a full path to your php binary and also full path to where composer is installed? – Greg Mar 14 '18 at 16:55
  • @ Bare Feet :))) What do you mean "What happens when you run put a full path to your php binary and also full path to where composer is installed" very often it installs other modules through composer and everything works fine. – Sylvester Mar 14 '18 at 17:18

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