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[HttpKernel][DX] Improve the error message when not defining the controller as a service but using construct parameters #32305

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Simperfit
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Q A
Branch? 4.4
Bug fix? no
New feature? no
BC breaks? no
Deprecations? no
Tests pass? yes
Fixed tickets none
License MIT
Doc PR not needed

I'm working with newcomers to the symfony framework ATM and one of them has got stuck in this errors trying to understand why the constructor argument declared as a a service would not work and didn't check if the controller was declared as a service itself.

I feel like this could be improve to be really specific since "such" is not that specific ;).

…roller as a service but using contruct parameters
@carsonbot carsonbot added Status: Needs Review HttpKernel DX DX = Developer eXperience (anything that improves the experience of using Symfony) labels Jul 1, 2019
@derrabus
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derrabus commented Jul 1, 2019

I like your version of the error message. I wonder if we could release it as a bugfix?

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@OskarStark OskarStark left a comment

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Nice 👍🏻
Btw small typo in the PR title 🙂

@Simperfit Simperfit changed the title [HttpKernel][DX] Improve the error message when not defining the controller as a service but using contruct parameters [HttpKernel][DX] Improve the error message when not defining the controller as a service but using construct parameters Jul 2, 2019
@fabpot
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fabpot commented Jul 3, 2019

Thank you @Simperfit.

@fabpot fabpot merged commit c670d51 into symfony:4.4 Jul 3, 2019
fabpot added a commit that referenced this pull request Jul 3, 2019
…ning the controller as a service but using construct parameters (Simperfit)

This PR was merged into the 4.4 branch.

Discussion
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[HttpKernel][DX] Improve the error message when not defining the controller as a service but using construct parameters

| Q             | A
| ------------- | ---
| Branch?       | 4.4
| Bug fix?      | no
| New feature?  | no <!-- please update src/**/CHANGELOG.md files -->
| BC breaks?    | no     <!-- see https://symfony.com/bc -->
| Deprecations? | no <!-- please update UPGRADE-*.md and src/**/CHANGELOG.md files -->
| Tests pass?   | yes    <!-- please add some, will be required by reviewers -->
| Fixed tickets | none   <!-- #-prefixed issue number(s), if any -->
| License       | MIT
| Doc PR        | not needed <!-- required for new features -->

<!--
Replace this notice by a short README for your feature/bugfix. This will help people
understand your PR and can be used as a start for the documentation.

Additionally (see https://symfony.com/roadmap):
 - Bug fixes must be submitted against the lowest maintained branch where they apply
   (lowest branches are regularly merged to upper ones so they get the fixes too).
 - Features and deprecations must be submitted against branch 4.4.
 - Legacy code removals go to the master branch.
-->

I'm working with newcomers to the symfony framework ATM and one of them has got stuck in this errors trying to understand why the constructor argument declared as a a service would not work and didn't check if the controller was declared as a service itself.

I feel like this could be improve to be really specific since "such" is not that specific ;).

Commits
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c670d51 [HttpKernel][DX] Improve the error message when not defining the controller as a service but using contruct parameters
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8 participants