symfony/symfony — pull request #10788 by pierredup (2014-04-26 00:16:39+00:00)
Title: [HttpKernel] Add better error message when controller action isn't callable

| Q | A
| ------------- | ---
| Bug fix? | no
| New feature? | yes
| BC breaks? | no
| Deprecations? | no
| Tests pass? | yes
| Fixed tickets | none
| License | MIT
| Doc PR |

In the `ControllerResolver`, if a controller isn't callable, try to give a better description of what went wrong