Composer installでUncaught exception ‘ErrorException’ with message ‘proc_open(): fork failed – Cannot allocate memory’ エラー in digitalocean

Jun 12, 2015

AD:

LaravelのApplicationを設置している際に、composerのエラーが出たのでメモしておきます。
エラーはメモリー不足ですね、Digital Oceanのmicroサーバだから仕方ないですね。なのでスワップファイルをつくて対応するようです。

$ composer install
Loading composer repositories with package information
Installing dependencies (including require-dev)
  - Installing symfony/class-loader (v2.7.1)
    Downloading: Connecting...The following exception is caused by a lack of memory and not having swap configured
Check https://getcomposer.org/doc/articles/troubleshooting.md#proc-open-fork-failed-errors for details
PHP Fatal error:  Uncaught exception 'ErrorException' with message 'proc_open(): fork failed - Cannot allocate memory' in phar:///usr/local/bin/composer/vendor/symfony/console/Symfony/Component/Console/Application.php:974
Stack trace:

$ composer install

Loading composer repositories with package information

Installing dependencies (including require-dev)

- Installing symfony/class-loader (v2.7.1)

Downloading: Connecting...The following exception is caused by a lack of memory and not having swap configured

Check https://getcomposer.org/doc/articles/troubleshooting.md#proc-open-fork-failed-errors for details

PHP Fatal error: Uncaught exception 'ErrorException' with message 'proc_open(): fork failed - Cannot allocate memory' in phar:///usr/local/bin/composer/vendor/symfony/console/Symfony/Component/Console/Application.php:974

Stack trace:

対応

エラーの中にも対応方法をComposerが教えてくれていますね。
これで問題なくいけましたー。

$ bin/dd if=/dev/zero of=/var/swap.1 bs=1M count=1024
$ /sbin/mkswap /var/swap.1
$ /sbin/swapon /var/swap.1

$ bin/dd if=/dev/zero of=/var/swap.1 bs=1M count=1024

$ /sbin/mkswap /var/swap.1

$ /sbin/swapon /var/swap.1

AD:

Cloud Nine

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