无法将需求解析为一组可安装的软件包
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【中文标题】无法将需求解析为一组可安装的软件包【英文标题】：Requirements could not be resolved to an installable set of packages 【发布时间】：2014-01-26 14:52:00 【问题描述】：我试图在 laravel-starter-kit 中安装 jasonlewis/enhanced-router 包，但当我运行 composer update 时它没有安装并出现一些错误。最初我认为问题出在 jasonlewis/enhanced-router ("jasonlewis/enhanced-router": "dev-master") 的作曲家行，但我删除了它并遇到了同样的错误。
我试图搜索一些类似的问题，但无法弄清楚我遇到的依赖问题是什么。
下面是我运行composer update后得到的结果：
Loading composer repositories with package information
Updating dependencies (including require-dev)
Your requirements could not be resolved to an installable set of packages.
Problem 1
- Conclusion: remove laravel/framework 4.0.x-dev
- Conclusion: don't install laravel/framework 4.0.x-dev
- Conclusion: don't install laravel/framework v4.0.10
- Conclusion: don't install laravel/framework v4.0.9
- Conclusion: don't install laravel/framework v4.0.8
- Conclusion: don't install laravel/framework v4.0.7
- Conclusion: don't install laravel/framework v4.0.6
- Conclusion: don't install laravel/framework v4.0.5
- Conclusion: don't install laravel/framework v4.0.4
- Conclusion: don't install laravel/framework v4.0.3
- Conclusion: don't install laravel/framework v4.0.2
- Conclusion: don't install laravel/framework v4.0.1
- Conclusion: don't install laravel/framework v4.0.0
- Conclusion: don't install laravel/framework v4.0.0-BETA4
- Installation request for zizaco/confide dev-master -> satisfiable by zizaco/confide[dev-master].
- Conclusion: don't install laravel/framework v4.0.0-BETA3
- bllim/datatables dev-master requires illuminate/filesystem >=4.0.0 -> satisfiable by laravel/framework[4.0.x-dev,
4.1.x-dev, dev-master, 4.2.x-dev, v4.0.0, v4.0.1, v4.0.10, v4.0.2, v4.0.3, v4.0.4, v4.0.5, v4.0.6, v4.0.7, v4.0.8, v4.0.
9, v4.1.0, v4.1.1, v4.1.10, v4.1.11, v4.1.12, v4.1.2, v4.1.3, v4.1.4, v4.1.5, v4.1.6, v4.1.7, v4.1.8, v4.1.9], illuminat
e/filesystem[4.0.x-dev, 4.1.x-dev, dev-master, 4.2.x-dev, v4.0.0, v4.0.1, v4.0.10, v4.0.2, v4.0.3, v4.0.4, v4.0.5, v4.0.
6, v4.0.7, v4.0.8, v4.0.9, v4.1.0, v4.1.1, v4.1.10, v4.1.11, v4.1.12, v4.1.2, v4.1.3, v4.1.4, v4.1.5, v4.1.6, v4.1.7, v4
.1.8, v4.1.9].
- bllim/datatables 1.3.0 requires illuminate/filesystem >=4.0.0 -> satisfiable by laravel/framework[4.0.x-dev, 4.1.x
-dev, dev-master, 4.2.x-dev, v4.0.0, v4.0.1, v4.0.10, v4.0.2, v4.0.3, v4.0.4, v4.0.5, v4.0.6, v4.0.7, v4.0.8, v4.0.9, v4
.1.0, v4.1.1, v4.1.10, v4.1.11, v4.1.12, v4.1.2, v4.1.3, v4.1.4, v4.1.5, v4.1.6, v4.1.7, v4.1.8, v4.1.9], illuminate/fil
esystem[4.0.x-dev, 4.1.x-dev, dev-master, 4.2.x-dev, v4.0.0, v4.0.1, v4.0.10, v4.0.2, v4.0.3, v4.0.4, v4.0.5, v4.0.6, v4
.0.7, v4.0.8, v4.0.9, v4.1.0, v4.1.1, v4.1.10, v4.1.11, v4.1.12, v4.1.2, v4.1.3, v4.1.4, v4.1.5, v4.1.6, v4.1.7, v4.1.8,
v4.1.9].
- bllim/datatables dev-master requires illuminate/filesystem >=4.0.0 -> satisfiable by laravel/framework[4.0.x-dev,
4.1.x-dev, dev-master, 4.2.x-dev, v4.0.0, v4.0.1, v4.0.10, v4.0.2, v4.0.3, v4.0.4, v4.0.5, v4.0.6, v4.0.7, v4.0.8, v4.0.
9, v4.1.0, v4.1.1, v4.1.10, v4.1.11, v4.1.12, v4.1.2, v4.1.3, v4.1.4, v4.1.5, v4.1.6, v4.1.7, v4.1.8, v4.1.9], illuminat
e/filesystem[4.0.x-dev, 4.1.x-dev, dev-master, 4.2.x-dev, v4.0.0, v4.0.1, v4.0.10, v4.0.2, v4.0.3, v4.0.4, v4.0.5, v4.0.
6, v4.0.7, v4.0.8, v4.0.9, v4.1.0, v4.1.1, v4.1.10, v4.1.11, v4.1.12, v4.1.2, v4.1.3, v4.1.4, v4.1.5, v4.1.6, v4.1.7, v4
.1.8, v4.1.9].
- bllim/datatables v1.3.1 requires illuminate/filesystem >=4.0.0 -> satisfiable by laravel/framework[4.0.x-dev, 4.1.
x-dev, dev-master, 4.2.x-dev, v4.0.0, v4.0.1, v4.0.10, v4.0.2, v4.0.3, v4.0.4, v4.0.5, v4.0.6, v4.0.7, v4.0.8, v4.0.9, v
4.1.0, v4.1.1, v4.1.10, v4.1.11, v4.1.12, v4.1.2, v4.1.3, v4.1.4, v4.1.5, v4.1.6, v4.1.7, v4.1.8, v4.1.9], illuminate/fi
lesystem[4.0.x-dev, 4.1.x-dev, dev-master, 4.2.x-dev, v4.0.0, v4.0.1, v4.0.10, v4.0.2, v4.0.3, v4.0.4, v4.0.5, v4.0.6, v
4.0.7, v4.0.8, v4.0.9, v4.1.0, v4.1.1, v4.1.10, v4.1.11, v4.1.12, v4.1.2, v4.1.3, v4.1.4, v4.1.5, v4.1.6, v4.1.7, v4.1.8
, v4.1.9].
- bllim/datatables v1.3.2 requires illuminate/filesystem >=4.0.0 -> satisfiable by laravel/framework[4.0.x-dev, 4.1.
x-dev, dev-master, 4.2.x-dev, v4.0.0, v4.0.1, v4.0.10, v4.0.2, v4.0.3, v4.0.4, v4.0.5, v4.0.6, v4.0.7, v4.0.8, v4.0.9, v
4.1.0, v4.1.1, v4.1.10, v4.1.11, v4.1.12, v4.1.2, v4.1.3, v4.1.4, v4.1.5, v4.1.6, v4.1.7, v4.1.8, v4.1.9], illuminate/fi
lesystem[4.0.x-dev, 4.1.x-dev, dev-master, 4.2.x-dev, v4.0.0, v4.0.1, v4.0.10, v4.0.2, v4.0.3, v4.0.4, v4.0.5, v4.0.6, v
4.0.7, v4.0.8, v4.0.9, v4.1.0, v4.1.1, v4.1.10, v4.1.11, v4.1.12, v4.1.2, v4.1.3, v4.1.4, v4.1.5, v4.1.6, v4.1.7, v4.1.8
, v4.1.9].
- bllim/datatables v1.3.3 requires illuminate/filesystem >=4.0.0 -> satisfiable by laravel/framework[4.0.x-dev, 4.1.
x-dev, dev-master, 4.2.x-dev, v4.0.0, v4.0.1, v4.0.10, v4.0.2, v4.0.3, v4.0.4, v4.0.5, v4.0.6, v4.0.7, v4.0.8, v4.0.9, v
4.1.0, v4.1.1, v4.1.10, v4.1.11, v4.1.12, v4.1.2, v4.1.3, v4.1.4, v4.1.5, v4.1.6, v4.1.7, v4.1.8, v4.1.9], illuminate/fi
lesystem[4.0.x-dev, 4.1.x-dev, dev-master, 4.2.x-dev, v4.0.0, v4.0.1, v4.0.10, v4.0.2, v4.0.3, v4.0.4, v4.0.5, v4.0.6, v
4.0.7, v4.0.8, v4.0.9, v4.1.0, v4.1.1, v4.1.10, v4.1.11, v4.1.12, v4.1.2, v4.1.3, v4.1.4, v4.1.5, v4.1.6, v4.1.7, v4.1.8
, v4.1.9].
- Can only install one of: laravel/framework[v4.0.0-BETA2, 4.1.x-dev].
- Can only install one of: laravel/framework[v4.0.0-BETA2, dev-master].
- Can only install one of: laravel/framework[v4.0.0-BETA2, 4.2.x-dev].
- Can only install one of: laravel/framework[v4.1.0, v4.0.0-BETA2].
- Can only install one of: laravel/framework[v4.1.1, v4.0.0-BETA2].
- Can only install one of: laravel/framework[v4.1.10, v4.0.0-BETA2].
- Can only install one of: laravel/framework[v4.1.11, v4.0.0-BETA2].
- Can only install one of: laravel/framework[v4.1.12, v4.0.0-BETA2].
- Can only install one of: laravel/framework[v4.1.2, v4.0.0-BETA2].
- Can only install one of: laravel/framework[v4.1.3, v4.0.0-BETA2].
- Can only install one of: laravel/framework[v4.1.4, v4.0.0-BETA2].
- Can only install one of: laravel/framework[v4.1.5, v4.0.0-BETA2].
- Can only install one of: laravel/framework[v4.1.6, v4.0.0-BETA2].
- Can only install one of: laravel/framework[v4.1.7, v4.0.0-BETA2].
- Can only install one of: laravel/framework[v4.1.8, v4.0.0-BETA2].
- Can only install one of: laravel/framework[v4.1.9, v4.0.0-BETA2].
- don't install illuminate/filesystem 4.0.x-dev|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem v4.0.0|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem v4.0.1|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem v4.0.10|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem v4.0.2|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem v4.0.3|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem v4.0.4|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem v4.0.5|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem v4.0.6|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem v4.0.7|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem v4.0.8|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem v4.0.9|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem 4.1.x-dev|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem 4.2.x-dev|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem v4.1.0|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem v4.1.1|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem v4.1.10|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem v4.1.11|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem v4.1.12|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem v4.1.2|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem v4.1.3|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem v4.1.4|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem v4.1.5|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem v4.1.6|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem v4.1.7|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem v4.1.8|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem v4.1.9|don't install laravel/framework v4.0.0-BETA2
- don't install illuminate/filesystem dev-master|don't install laravel/framework v4.0.0-BETA2
- Installation request for laravel/framework 4.0.* -> satisfiable by laravel/framework[4.0.x-dev, v4.0.0, v4.0.0-BET
A2, v4.0.0-BETA3, v4.0.0-BETA4, v4.0.1, v4.0.10, v4.0.2, v4.0.3, v4.0.4, v4.0.5, v4.0.6, v4.0.7, v4.0.8, v4.0.9].
- Installation request for bllim/datatables * -> satisfiable by bllim/datatables[1.3.0, dev-master, v1.3.1, v1.3.2,
v1.3.3].
还有我的 composer.json
"name": "andrew13/Laravel-4-Bootstrap-Starter-Site",
"description": "Laravel 4 Starter Site",
"keywords": ["laravel","Starter Site"],
"license": "MIT",
"authors": [
"name": "Andrew Elkins",
"homepage": "http://www.andrewelkins.com"
],
"require":
"laravel/framework": "4.0.*",
"twbs/bootstrap": "3.0.0",
"zizaco/confide": "dev-master",
"zizaco/entrust": "dev-master",
"jasonlewis/basset": "dev-master",
"robclancy/presenter": "1.2.*",
"j20/php-uuid": "dev-master",
"bllim/datatables": "*",
"blueimp/jquery-file-upload": "dev-master",
"jasonlewis/enhanced-router": "dev-master"
,
"require-dev":
"way/generators": "dev-master",
"mockery/mockery": "dev-master@dev",
"summerstreet/woodling": "0.1.*",
"barryvdh/laravel-ide-helper": "dev-master",
"leafo/lessphp": "v0.4.0",
"natxet/CssMin": "dev-master",
"lmammino/jsmin4assetic": "1.0.*"
,
"autoload":
"classmap": [
"app/commands",
"app/controllers",
"app/library",
"app/models",
"app/presenters",
"app/database/migrations",
"app/database/seeds",
"app/tests/library"
]
,
"scripts":
"pre-update-cmd": [
"php artisan clear-compiled"
],
"post-install-cmd": [
"php artisan optimize"
],
"post-update-cmd": [
"php artisan optimize"
]
,
"config":
"preferred-install": "dist"
,
"minimum-stability": "dev"
我不是从基本的 Laravel 包开始的，我用过andrew13/Laravel-4-Bootstrap-Starter-Site
【问题讨论】：
【参考方案1】：欢迎使用 Composer 最糟糕的功能！
所以问题是您的依赖项中存在难以发现的冲突。
您的 composer.json 中有"laravel/framework": "4.0.*", 的要求。你还需要"zizaco/confide": "dev-master"
在 github 中的 composer.json 中查找“zizaco/confide”，我们看到：
“照亮/支持”：“4.1.x”，
导致您出现问题的 Composer 功能是 replace 关键字在整个 PACKAGIST 中全局操作。
所以因为'illuminate/support' package is replace'd by Laravel itself Composer 尝试满足 "illuminate/support": "4.1.x" 的要求时，它实际上尝试下载 laravel 4.1.x 版本。
这与您对 laravel 版本 4.0.* 的要求相冲突，因此无法解析依赖项集。
我认为您的问题可能没有简单的解决方案。
我将建议指定一个较早版本的 zizaco/confide 而不是 dev-master，它依赖于Illumination/support 版本 4.0.x 而不是 4.1.x - 但是这意味着从 zizaco/confide 3 切换。 x 到 2.x，这可能是不可接受的。
唯一的其他选择是将您的要求从 laravel 4.0.x 更改为 4.1.* - 这可能会或可能不会接受，具体取决于您需要做多少工作。
【讨论】：
他可以分叉并更改作曲家，不是吗？ 他可以，但是由于各种原因，为了进行小改动而分叉代码在 Composer 中真的很烦人。 顺便说一句，如果有人带着other方式的需求不匹配来到这里——你尝试安装的包需要一个older的依赖项比已经安装的——你可以简单地手动composer require 旧包。然后安装你想要的任何包，它的要求就会得到满足。您可以通过将旧版本附加到 require 语句来做到这一点。例如，composer require symfony/event-dispatcher ~2.2.
谢谢@TylerHayes！您的评论真的很有帮助！
我是 Composer 的新手，我希望再过几年我就能弄清楚这一点：为什么它会尝试自行更改您的版本控制要求并安装 Laravel 4.1.x？那是错字吗？我遇到了同样的问题，我开始担心没有解决方案。以上是关于无法将需求解析为一组可安装的软件包的主要内容，如果未能解决你的问题，请参考以下文章
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