Error when running composer require on a laravel 5 install

Question

I'm trying to run the command composer require xavrsl/cas:dev-master and I get the output below

    ./composer.json has been updated
    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
    - Installation request for xavrsl/cas dev-master -> satisfiable by xavrsl/cas[dev-master].
- Conclusion: remove laravel/framework v5.0.7
- xavrsl/cas dev-master requires illuminate/support 4.x -> satisfiable by illuminate/support[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, v4.1.13, v4.1.14, v4.1.15, v4.1.16, v4.1.17, v4.1.18, v4.1.19, v4.1.2, v4.1.20, v4.1.21, v4.1.22, v4.1.23, v4.1.24, v4.1.25, v4.1.26, v4.1.27, v4.1.28, v4.1.29, v4.1.3, v4.1.30, v4.1.4, v4.1.5, v4.1.6, v4.1.7, v4.1.8, v4.1.9, v4.2.1, v4.2.12, v4.2.16, v4.2.17, v4.2.2, v4.2.3, v4.2.4, v4.2.5, v4.2.6, v4.2.7, v4.2.8, v4.2.9].
- don't install illuminate/support v4.0.0|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.0.1|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.0.10|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.0.2|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.0.3|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.0.4|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.0.5|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.0.6|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.0.7|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.0.8|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.0.9|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.0|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.1|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.10|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.11|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.12|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.13|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.14|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.15|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.16|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.17|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.18|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.19|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.2|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.20|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.21|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.22|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.23|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.24|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.25|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.26|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.27|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.28|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.29|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.3|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.30|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.4|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.5|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.6|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.7|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.8|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.1.9|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.2.1|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.2.12|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.2.16|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.2.17|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.2.2|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.2.3|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.2.4|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.2.5|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.2.6|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.2.7|don't install laravel/framework v5.0.7
- don't install illuminate/support v4.2.8|don't install laravel/framework         v5.0.7
- don't install illuminate/support v4.2.9|don't install laravel/framework         v5.0.7
- Installation request for laravel/framework == 5.0.7.0 -> satisfiable by laravel/framework[v5.0.7].

    Installation failed, reverting ./composer.json to its original content.

I'm trying to install this package into a laravel 5 app. I'm not sure if it's just an issue with Laravel or if it's actually an issue with my composer install.

Any suggestions on what I'm doing wrong?

It looks to me that the package you are trying to install is not compatible with Laravel 5. This is also obvious from the text on the project's github page: CAS server SSO authentication in laravel 4.x — Bogdan
– Bogdan, Commented Feb 26, 2015 at 20:28

Wader · Accepted Answer · 2015-02-26 20:33:26Z

1

That package's composer.json is looking for illuminate/support 4.0, so composer is throwing an error because the versions cannot be satisfied. The package hasn't been updated to work with laravel 5 yet.

See: https://github.com/XavRsl/Cas/blob/e05fdbc11748ed1fe1a572aa223dc9f246045a28/composer.json https://github.com/XavRsl/Cas/issues/14

Edit: Seems there is a develop branch that is updated to laravel 5 (As always thats underdevelopment so be weary of using it)

composer require xavrsl/cas:dev-develop

edited Feb 26, 2015 at 20:33

answered Feb 26, 2015 at 20:27

Wader

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2 Comments

Jorge Calderon Over a year ago

Thanks Wader, hmm I thought that might be the issue. Though I was looking on packagist I think and when doing a search it said it was compatible with Laravel 4 and 5. Anyway, greatly appreciate the answer.

Wader Over a year ago

@geocalleo see my edit. Looks like theres a development branch

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