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我正在使用Laravel 4 Framework制作的项目，然后使用此命令安装作曲家。作曲家安装/更新问题
作曲家安装
这是执行结果：
$ composer install
Loading composer repositories with package information
Installing dependencies (including require-dev)
- Installing psr/log (dev-master 5144da9)
Loading from cache
- Installing doctrine/lexer (dev-master 57d5a02)
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- Installing doctrine/annotations (dev-master 97b4a00)
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- Installing doctrine/collections (dev-master bcb5377)
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- Installing doctrine/cache (dev-master ff36d42)
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- Installing doctrine/inflector (dev-master 8b4b3cc)
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- Installing doctrine/common (dev-master ba2ad8a)
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- Installing symfony/process (2.3.x-dev b09d36a)
Loading from cache
- Installing symfony/finder (2.3.x-dev fc0fbd5)
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- Installing symfony/console (2.3.x-dev f77c13a)
Loading from cache
- Installing symfony/filesystem (dev-master c136348)
Loading from cache
- Installing symfony/routing (2.3.x-dev 7d41463)
Loading from cache
- Installing symfony/debug (2.3.x-dev 93f2633)
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- Installing symfony/event-dispatcher (2.3.x-dev 30b2f95)
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- Installing symfony/http-foundation (2.3.x-dev 8ee2965)
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- Installing symfony/http-kernel (2.3.x-dev e6f1920)
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- Installing kriswallsmith/assetic (v1.1.2)
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- Installing codesleeve/sprockets (dev-master 2d14c76)
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- Installing symfony/dom-crawler (2.3.x-dev 7a72398)
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- Installing swiftmailer/swiftmailer (v5.0.3)
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- Installing predis/predis (0.8.x-dev 09cb667)
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- Installing patchwork/utf8 (v1.1.16)
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- Installing nesbot/carbon (1.7.0)
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- Installing monolog/monolog (dev-master 5ad421d)
Loading from cache
- Installing nikic/php-parser (dev-master 0353c92)
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- Installing jeremeamia/superclosure (1.0.1)
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- Installing ircmaxell/password-compat (1.0.x-dev 1fc1521)
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- Installing classpreloader/classpreloader (1.0.1)
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- Installing symfony/translation (2.3.x-dev 6b255d2)
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- Installing symfony/css-selector (2.3.x-dev 8df20c5)
Loading from cache
- Installing symfony/browser-kit (2.3.x-dev 7149642)
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- Installing filp/whoops (1.0.7)
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- Installing doctrine/dbal (2.4.x-dev ad8608b)
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- Installing laravel/framework (4.0.x-dev 426c9e0)
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- Installing leafo/scssphp (v0.0.7)
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- Installing coffeescript/coffeescript (1.3.1)
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- Installing leafo/lessphp (v0.4.0)
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- Installing nitra/php-min (dev-master f2d5e3f)
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- Installing codesleeve/asset-pipeline (dev-master cad206e)
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- Installing mustache/mustache (v2.4.1)
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- Installing way/generators (dev-master 8390ef9)
Downloading: 100%
- Installing barryvdh/laravel-migration-generator (dev-master 5cd7ec3)
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- Installing dinesh/barcode (dev-master 6cbcffb)
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- Installing symfony/class-loader (dev-master d122b8a)
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- Installing dflydev/markdown (dev-master 6baed9b)
Loading from cache
- Installing phpdocumentor/reflection-docblock (2.0.0)
Loading from cache
- Installing barryvdh/laravel-ide-helper (v1.7.1)
Loading from cache
symfony/routing suggests installing symfony/config()
symfony/routing suggests installing symfony/yaml()
symfony/event-dispatcher suggests installing symfony/dependency-injection()
symfony/http-kernel suggests installing symfony/config()
symfony/http-kernel suggests installing symfony/dependency-injection()
kriswallsmith/assetic suggests installing twig/twig (Assetic provides the integr
ation with the Twig templating engine)
kriswallsmith/assetic suggests installing ptachoire/cssembed (Assetic provides t
he integration with phpcssembed to embed data uris)
kriswallsmith/assetic suggests installing leafo/scssphp-compass (Assetic provide
s the integration with the SCSS compass plugin)
predis/predis suggests installing ext-phpiredis (Allows faster serialization and
deserialization of the Redis protocol)
patchwork/utf8 suggests installing lib-icu (Use Intl for best performance)
monolog/monolog suggests installing mlehner/gelf-php (Allow sending log messages
to a GrayLog2 server)
monolog/monolog suggests installing ext-amqp (Allow sending log messages to an A
MQP server (1.0+ required))
monolog/monolog suggests installing ext-mongo (Allow sending log messages to a M
ongoDB server)
monolog/monolog suggests installing doctrine/couchdb (Allow sending log messages
to a CouchDB server)
monolog/monolog suggests installing raven/raven (Allow sending log messages to a
Sentry server)
monolog/monolog suggests installing ruflin/elastica (Allow sending log messages
to an Elastic Search server)
monolog/monolog suggests installing aws/aws-sdk-php (Allow sending log messages
to AWS services like DynamoDB)
symfony/translation suggests installing symfony/config()
symfony/translation suggests installing symfony/yaml()
Writing lock file
Generating autoload files
{"error":{"type":"Symfony\\Component\\Debug\\Exception\\FatalErrorException","me
ssage":"Class 'Codesleeve\\AssetPipeline\\Filters\\CssRewrite' not found","file"
:"C:\\laravel-projects\\plansherpa\\app\\config\\packages\\codesleeve\\asset-pip
eline\\config.php","line":64}}Script php artisan optimize handling the post-inst
all-cmd event returned with an error
[RuntimeException]
Error Output:
install [--prefer-source] [--prefer-dist] [--dry-run] [--dev] [--no-dev] [--no-p
lugins] [--no-custom-installers] [--no-scripts] [--no-progress] [-v|vv|vvv|--ver
bose] [-o|--optimize-autoloader]
在OSX（山狮）和Windows 7家庭高级版显示了我同样的错误消息。我现在怎么修复它？
请帮帮我！提前致谢。
对于Laravel而不是Composer，你有一个问题，因为所有的Composer都做得很好 - 除了调用Laravel脚本来完成一些事情。我了解到Laravel有一些最新版本的更新程序（不是自己使用它） - 你应该检查这个程序是否适用于你。 – Sven