如何解决Composer 安装失败
在运行 Pimcore6.9 和 symfony4.4 时，我发现了一些警告：
MimetypeGuesser 已弃用，因为 symfony4.3 使用 MimeTypes 相反。
composer show -i
根本不显示任何 mime 包，因此为了摆脱此警告，我想按照建议安装该包：
composer require symfony/mime
但我明白了：
Using version ^5.2 for symfony/mime
./composer.json has been updated
Running composer update symfony/mime
Loading composer repositories with package information
Updating dependencies
Your requirements could not be resolved to an installable set of packages.
Problem 1
- Root composer.json requires symfony/mime ^5.2,found symfony/mime[v5.2.0,...,v5.2.9] but these were not loaded,likely because it conflicts with another require.
composer.json
{
"name": "pimcore/skeleton","type": "project","license": "GPL-3.0-or-later","config": {
"optimize-autoloader": true,"sort-packages": true
},"require": {
"php": ">=7.2","pimcore/pimcore": "~6.9.0"
},"require-dev": {
"cache/integration-tests": "^0.16.0","codeception/codeception": "~2.4.5"
},"autoload": {
"psr-4": {
"": ["src/"],"Pimcore\\Model\\DataObject\\": "var/classes/DataObject","Pimcore\\Model\\Object\\": "var/classes/Object","Website\\": "legacy/website/lib"
},"classmap": [
"app/AppKernel.php"
]
},"scripts": {
"post-create-project-cmd": "Pimcore\\Composer::postCreateProject","post-install-cmd": [
"Pimcore\\Composer::postInstall","@pimcore-scripts"
],"post-update-cmd": [
"Pimcore\\Composer::postUpdate","@pimcore-scripts","Pimcore\\Composer::executeMigrationsUp","pimcore-scripts": [
"Pimcore\\Composer::clearCache","Pimcore\\Composer::installAssets"
]
},"extra": {
"symfony-app-dir": "app","symfony-bin-dir": "bin","symfony-var-dir": "var","symfony-web-dir": "web","symfony-tests-dir": "tests","symfony-assets-install": "relative"
}
}
并在 pimcore 内
{
"name": "pimcore/pimcore","type": "library","description": "Content & Product Management Framework (CMS/PIM/E-Commerce)","keywords": [
"CMS","PIM","DAM","E-Commerce","RAD","Product Information Management"
],"homepage": "http://www.pimcore.org/","authors": [
{
"name": "pimcore Team","email": "info@pimcore.com","role": "Developer"
}
],"support": {
"issues": "https://github.com/pimcore/pimcore/issues","wiki": "https://pimcore.com/docs/latest/","source": "https://github.com/pimcore/pimcore","forum": "https://talk.pimcore.org/","docs": "https://pimcore.com/docs/latest/"
},"ext-SimpleXML": "*","ext-dom": "*","ext-exif": "*","ext-fileinfo": "*","ext-gd": "*","ext-intl": "*","ext-iconv": "*","ext-mbstring": "*","ext-mysqli": "*","ext-pdo_mysql": "*","ext-zip": "*","ext-zlib": "*","psr/simple-cache": "^1.0.0","amnuts/opcache-gui": "^3.0.1","cache/tag-interop": "^1","cbschuld/browser.php": "^1.9.6","colinmollenhour/credis": "^1.10.0","composer/ca-bundle": "^1","defuse/php-encryption": "^2.2.0","doctrine/annotations": "^1.6.0","doctrine/collections": "^1.5.0","doctrine/common": "^2.13.0","doctrine/dbal": "^2.8.0","doctrine/doctrine-bundle": "^1.9.1","doctrine/doctrine-migrations-bundle": "^1.3.1","doctrine/inflector": "^1.4.0 || ^2.0.0","egulias/email-validator": "^2.1.5","endroid/qr-code": "^3.4.4","friendsofsymfony/jsrouting-bundle": "^2.5","geoip2/geoip2": "^2.9","google/apiclient": "^2.0","guzzlehttp/guzzle": "^6.3","http-interop/http-factory-guzzle": "^1.0.0","hybridauth/hybridauth": "^2.12","lcobucci/jwt": "^3.2","league/csv": "^9.1","linfo/linfo": "^4.0.0","mjaschen/phpgeo": "^2.0","mpratt/embera": "^2.0.3","myclabs/deep-copy": "^1.3","neitanod/forceutf8": "^2.0.4","nesbot/carbon": "^1.34.0 || ^2.11.0","ocramius/package-versions": "^1.2","pear/net_url2": "^2.2","phive/twig-extensions-deferred": "^2.0","piwik/device-detector": "^3.9","presta/sitemap-bundle": "^1.7 || ^2.1","ramsey/uuid": "^3.8","sabre/dav": "^3.2","sensio/framework-extra-bundle": "^5.4","sensiolabs/ansi-to-html": "^1.1","symfony-cmf/routing-bundle": "^2.0","symfony/contracts": "^1.1","symfony/monolog-bundle": "^3.1.0","symfony/swiftmailer-bundle": "^3.2.2","symfony/symfony": "^3.4.26 || ^4.1.12","tijsverkoyen/css-to-inline-styles": "^2.2.1","twig/extensions": "^1.5","twig/twig": "^2.4","umpirsky/country-list": "^2.0.4","vrana/adminer": "^4.8.0","vrana/jush": "~2.0.2","zendframework/zend-paginator": "^2.7","zendframework/zend-servicemanager": "^3.2","scheb/two-factor-bundle": "^3.26","phpoffice/phpspreadsheet": "^1.9","html2text/html2text": "^4.2.1","webmozarts/console-parallelization": "^1.1.0","knplabs/knp-paginator-bundle": "^4.1.1"
},"conflict": {
"doctrine/dbal": "^2.13.0","monolog/monolog": ">=2","phpstan/phpstan": "0.12.55","symfony/symfony": "3.4.43 || 4.4.11","symfony/monolog-bundle": "3.6.0"
},"codeception/codeception": "~2.4.5","phpstan/phpstan": "^0.12.26","phpstan/phpstan-symfony": "^0.12","heidelpay/heidelpay-php": "^1.2.5.1","klarna/checkout": "^3.0.0","elasticsearch/elasticsearch": "^6 || ^7","paypal/paypal-checkout-sdk": "^1","mpay24/mpay24-php": "^4.2","composer/composer": "*"
},"suggest": {
"ext-curl": "*","ext-imagick": "*","ext-redis": "*","heidelpay/heidelpay-php": "Required for Heidelpay payment","klarna/checkout": "Required for Klarna payment","elasticsearch/elasticsearch": "Required for Elastic Search service","paypal/paypal-checkout-sdk": "Required for Paypal payment","mpay24/mpay24-php": "Required for MPay24 payment"
},"autoload": {
"files": [
"lib/helper-functions.php","lib/simple_html_dom.php"
],"psr-4": {
"Pimcore\\Model\\": "models","Pimcore\\": "lib","Pimcore\\Bundle\\": "bundles"
},"classmap": [
"lib/Pimcore.php"
],"exclude-from-classmap": [
"lib/compatibility-stubs.php","lib/Pimcore/Bundle/EcommerceFrameworkBundle/config/namespace_compatibility.php"
]
},"autoload-dev": {
"psr-4": {
"Pimcore\\Tests\\": "tests"
},"files": [
"app/AppKernel.php"
]
},"Pimcore\\Composer::executeMigrationsUp"
],"symfony-assets-install": "relative"
},"bin": ["bin/pimcore-install"],"config": {
"preferred-install": {
"symfony/symfony": "source"
}
}
}
关于这个问题，我想问两个问题：
-
如何安装这个包？
-
如何检查哪个软件包阻止安装以及为什么？
解决方法
您的 composer.json 已将 symfony/symfony 列为必需软件包。这包含 symfony/mime - 只要您使用的是 Symfony v4.3 或更高版本。在此之前，MIME 组件不存在。
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