heroku：錯誤：文件'/composer.phar'不可執行;請'chmod + x'！

我有當執行混帳推Heroku的主heroku：錯誤：文件'/composer.phar'不可執行;請'chmod + x'！

$ git push heroku master 
Counting objects: 291, done. 
Delta compression using up to 8 threads. 
Compressing objects: 100% (278/278), done. 
Writing objects: 100% (287/287), 2.95 MiB | 27.00 KiB/s, done. 
Total 287 (delta 55), reused 1 (delta 0) 
remote: Compressing source files... done. 
remote: Building source: 
remote: 
remote: -----> PHP app detected 
remote: -----> No runtime required in composer.json, defaulting to PHP 5.6.4. 
remote: -----> Installing system packages... 
remote:  - PHP 5.6.4 
remote:  - Apache 2.4.10 
remote:  - Nginx 1.6.0 
remote: -----> Installing PHP extensions... 
remote:  - zend-opcache (automatic; bundled) 
remote: -----> Installing dependencies... 
remote: 
remote: !  ERROR: File '/composer.phar' isn't executable; please 'chmod +x'! 

remote: 
remote: 
remote: !  Push rejected, failed to compile PHP app 
remote: 
remote: Verifying deploy... 
remote: 
remote: !  Push rejected to safe-forest-7658. 
remote: 
To https://git.heroku.com/safe-forest-7658.git 
! [remote rejected] master -> master (pre-receive hook declined) 
error: failed to push some refs to 'https://git.heroku.com/safe-forest-7658.git'

我也refrenced Error on deploy my app to heroku

我updateing通過「作曲家更新」，同時也嘗試「PHP composer.hhar更新」的作曲家的一個問題。但之後會發生此問題。

來源

2014-12-30 Deepak3301086