php - Composer\Downloader\TransportException by composer.phar self-update in a Zend Framework 2 application -


i'm trying update zend framework 2 library in project , exception:

use@machine:/path/to/project# php composer.phar self-update [composer\downloader\transportexception]                                                        "https://getcomposer.org/version" file not downloaded (http/1.1 502 bad gateway)

also tried so, error still there:

use@machine:/path/to/project# curl http://getcomposer.org/installer | php   % total    % received % xferd  average speed   time    time     time  current                                  dload  upload   total   spent    left  speed 100   166  100   166    0     0   1490      0 --:--:-- --:--:-- --:--:--  4611 <html> <head><title>502 bad gateway</title></head> <body bgcolor="white"> <center><h1>502 bad gateway</h1></center> <hr><center>nginx</center> </body> </html>

what wrong here?

the composer server down


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