本文由composer教程欄目給大家介紹關于composer遇到的一些錯誤，希望對需要的朋友有所幫助！
composer遇到的錯誤匯集
1#權限錯誤
file_put_contents(/home/vagrant/.composer/cache/repo/https---packagist.laravel-china.org/packages.json):?failed?to?open?stream:?Permission?denied https://packagist.laravel-china.org?could?not?be?fully?loaded,?package?information?was?loaded?from?the?local?cache?and?may?be?out?of?date
解決方法：sudo chown -R $USER ~/.composer/
2# zlib_decode():data Error
Failed?to?decode?response:?zlib_decode():?data?error Retrying?with?degraded?mode,?check?https://getcomposer.org/doc/articles/troubleshooting.md#degraded-mode?for?more?info
解決方法 更換composer的repo.packagist
3# ssl routines:ssl3_get_server_certificate:certificate verify failed
錯誤描述
-?Installing?phpunit/phpunit?(6.5.8):?Downloading?(failed) Downloading?(failed) Downloading?(failed)????Failed?to?download?phpunit/phpunit?from?dist:?The?"https://files.phpcomposer.com/files/sebastianbergmann/phpunit/4f21a3c6b97c42952fd5c2837bb354ec0199b97b.zip"?file?could?not?be?downloaded:?SSL?operation?failed?with?code?1.?OpenSSL?Error?messages: error:14090086:SSL?routines:ssl3_get_server_certificate:certificate?verify?failed Failed?to?enable?crypto failed?to?open?stream:?operation?failed ????Now?trying?to?download?from?source
解決方案
In?my?case,?it?was?the?CA?Cert?file?that?was?the?culprit Open?terminal?and?run?php?-r?"var_dump(openssl_get_cert_locations());" Note?the?location?of?default_cert_file.?It?might?say?usrlocalsslcert.pem Verify?that?that?file?exists.?If?not,?download?the?cacert.pem?file?from?https://curl.haxx.se/ca/cacert.pem?and?place?it?in?somewhere?preferably?in?/usr/local/ssl You?now?have?a?file?is?usr/local/ssl/cacert.pem Open?your?php.ini?and?add?the?location?of?the?file?openssl.cafile=cacert.pem Run?composer?config?--global?cafile?"/usr/local/ssl/cacert.pem" If?it's?of?any?use?to?others,?I?use?valet+?1.0.26,?composer?1.8.4?OSX?Movajes?10.14.3,?php7.3?and?simply?specifying?the?cert?composer?looks?for?with: composer?config?--global?cafile?"/usr/local/etc/openssl/cert.pem"
composer?config?--global?cafile?"C:/AMP_ENV/php-7.1.15/ca/cacert.pem" composer?config?--global?--list
4# proc_open(): fork failed – Cannot allocate memory
錯誤描述
Installation?failed,?reverting?./composer.json?to?its?original?content. The?following?exception?is?caused?by?a?lack?of?memory?or?swap,?or?not?having?swap?configured Check?https://getcomposer.org/doc/articles/troubleshooting.md#proc-open-fork-failed-errors?for?details PHP?Warning:??proc_open():?fork?failed?-?Cannot?allocate?memory?in?phar:///usr/local/bin/composer/vendor/symfony/console/Application.php?on?line?952 Warning:?proc_open():?fork?failed?-?Cannot?allocate?memory?in?phar:///usr/local/bin/composer/vendor/symfony/console/Application.php?on?line?952 ??[ErrorException] ??proc_open():?fork?failed?-?Cannot?allocate?memory
解決方式
sudo?dd?if=/dev/zero?of=/var/swap.1?bs=1M?count=1024 sudo?mkswap?/var/swap.1 sudo?swapon?/var/swap.1
5# 執行 composer 拋出 Killed
錯誤描述
root@test2:/work/usrc$?composer?require?qcloud/cos-sdk-v5 ./composer.json?has?been?updated The?"extra.asset-installer-paths"?option?is?deprecated,?use?the?"config.fxp-asset.installer-paths"?option Loading?composer?repositories?with?package?information Updating?dependencies?(including?require-dev) Killed
解決方式
出現此原因大多因為緩存不足造成，在linux環境可增加緩存解決。
free?-m sudo?mkdir?-p?/var/_swap_ cd?/var/_swap_ sudo?dd?if=/dev/zero?of=swapfile?bs=1M?count=2000 sudo?mkswap?swapfile sudo?swapon?swapfile sudo?echo?"/var/_swap_/swapfile?none?swap?sw?0?0"?>>?/etc/fstab free?-m
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