Composer 提示 zlib_decode (): data error

下面由composer命令使用教程栏目记录一下解决这个问题的方法，遇到有几次了，印象中每次解决的方法都不一样

环境说明

CentOS Linux 7 PHP 5.6.36 Composer 1.8.6

亚马逊香港服务器

原始输出

清除缓存

$ composer clearcache Cache directory does not exist (cache-vcs-dir): Clearing cache (cache-repo-dir): /home/work/.cache/composer/repo Clearing cache (cache-files-dir): /home/work/.cache/composer/files Clearing cache (cache-dir): /home/work/.cache/composer All caches cleared.

校验

$ composer diagnose Checking composer.json: OK Checking platform settings: OK Checking git settings: OK Checking http connectivity to packagist: OK Checking https connectivity to packagist: OK Checking github.com rate limit: OK Checking disk free space: OK Composer version: 1.8.6 PHP version: 5.6.36 PHP binary path: /home/work/apps/php/bin/php

查看配置

$ composer config -l [repositories.packagist.org.type] composer [repositories.packagist.org.url] https://mirrors.aliyun.com/composer/ [process-timeout] 300 [use-include-path] false [preferred-install] auto [notify-on-install] true [github-protocols] [https, ssh] [vendor-dir] vendor (/home/work/www/wanglong/vendor) [bin-dir] {$vendor-dir}/bin (/home/work/www/wanglong/vendor/bin) [cache-dir] /home/work/.cache/composer [data-dir] /home/work/.local/share/composer [cache-files-dir] {$cache-dir}/files (/home/work/.cache/composer/files) [cache-repo-dir] {$cache-dir}/repo (/home/work/.cache/composer/repo) [cache-vcs-dir] {$cache-dir}/vcs (/home/work/.cache/composer/vcs) [cache-ttl] 15552000 [cache-files-ttl] 15552000 [cache-files-maxsize] 300MiB (314572800) [bin-compat] auto [discard-changes] false [autoloader-suffix] [sort-packages] false [optimize-autoloader] false [classmap-authoritative] false [apcu-autoloader] false [prepend-autoloader] true [github-domains] [github.com] [bitbucket-expose-hostname] true [disable-tls] false [secure-http] true [cafile] [capath] [github-expose-hostname] true [gitlab-domains] [gitlab.com] [store-auths] prompt [archive-format] tar [archive-dir] . [htaccess-protect] true [home] /home/work/.config/composer

安装

调试过程

Round One

一看到这个问题，首先看了一下 composer 版本，不是最新版本，升级一下吧

$ composer self-update [Symfony\Component\Console\Exception\CommandNotFoundException] Command "self-update" is not defined.

命令不存在，想了一下，我的用户好像权限不足，算了吧。。。。

Round Two

Google 一下，搜索结果第一条的解决方案是换源，本来用的是阿里云的源，换一下吧

$ composer config repo.packagist composer http://packagist.phpcomposer.com

换个镜像之后，composer.json 长这样

{ "license": "proprietary", "require": { "php": ">=5.6", "guzzlehttp/guzzle": "^6.3", "aws/aws-sdk-php": "^3.52" }, "autoload": { "psr-4": { "Rpc\\": "application/library/Rpc/" } }, "repositories": { "packagist": { "type": "composer", "url": "http://packagist.phpcomposer.com" } } }

安装

不支持 http 只支持 https，想了想还是不改这个配置吧，不止我一个人用这台机。。。。

Round Three

我想了下，既然是国外的服务器，我干脆直接把镜像源全去了，都用默认的，说干就干

composer config -g --unset repos.packagist composer config --unset repos.packagist composer clearcache composer diagnose composer install -vvv

然后安装，直接安装成功了？？？我还没反应过来。由于 composer install -vvv 输出的日志太长了，不太方便截图，放一个 composer install 的输出截图

结论

本次问题的解决方法是去掉所有的镜像源，直接用默认的镜像源安装，应该只适用于国外的服务器。

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