Composer 提示 zlib_decode (): data error

declandragon發表於2019-10-14
Error

記錄一下解決這個問題的方法，遇到有幾次了，印象中每次解決的方法都不一樣

環境說明

CentOS Linux 7

PHP 5.6.36

Composer 1.8.6

亞馬遜香港伺服器

原始輸出

  • 清除快取 
    $ 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.
  • 校驗 
    $ 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
  • 檢視配置 
    $ 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
  • 安裝

composer 提示 zlib_decode(): data error

除錯過程

Round One

一看到這個問題，首先看了一下 composer 版本，不是最新版本，升級一下吧

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

composer 命令列表
命令不存在，想了一下，我的使用者好像許可權不足，算了吧。。。。

Round Two

Google 一下，搜尋結果第一條的解決方案是換源，本來用的是阿里雲的源，換一下吧

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

換個映象之後，composer.json 長這樣

{
    "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"
        }
    }
}

安裝

composer 提示 zlib_decode(): data error

芽兒喲，不支援 http 只支援 https，想了想還是不改這個配置吧，不止我一個人用這臺機。。。。

Round Three

我想了下，既然是國外的伺服器，我乾脆直接把映象源全去了，都用預設的，說幹就幹

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

然後安裝，直接安裝成功了？？？我還沒反應過來。由於 composer install -vvv 輸出的日誌太長了，不太方便截圖，放一個 composer install 的輸出截圖

composer 提示 zlib_decode(): data error

結論

本次問題的解決方法是去掉所有的映象源，直接用預設的映象源安裝，應該只適用於國外的伺服器。

如果有什麼錯誤的地方，希望大家能指出，一起學習進步。

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