8000 cache:clear throws "Environment variables ... are never used" - error after 4.0.9 · Issue #27194 · symfony/symfony · GitHub
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cache:clear throws "Environment variables ... are never used" - error after 4.0.9 #27194

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mmarton opened this issue May 8, 2018 · 2 comments
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cache:clear throws "Environment variables ... are never used" - error after 4.0.9 #27194

mmarton opened this issue May 8, 2018 · 2 comments
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Bug DependencyInjection Status: Waiting feedback

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@mmarton
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mmarton commented May 8, 2018 •
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Symfony version(s) affected: 4.0.9

Description

We use ENV variables for mapping file links in exception. After upgrade to 4.0.9 we get

 Environment variables "APP_IDE" are never used. Please, check your container's configuration.``` when running cache:clear although it is used in the framework config.

How to reproduce
.env file

APP_IDE=phpstorm://open?file=%f&line=%l&/var/www/html/>/home/path/to/project/

framework.yaml file

parameters:
    env(APP_IDE): ~

framework:
    ide: '%env(APP_IDE)%'
    ...

After running cache:clear the "never used" error message shown in console

Possible Solution

After some digging in the source i found the debug.file_link_format parameter and passing the ENV to this solves the problem, but I can't find any documentation about this.
@nicolas-grekas
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Hello, I just tried reproducing the behavior you describe here, but from a fresh skeleton everything works on my side. Would you have a more detailed reproducer?

@mmarton
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mmarton commented May 16, 2018

Hello, I also tried to reproduce my own problem without any success at first time.
Digging it deeper it might be a sign of some another bug. The error only happens in php7.1 with xdebug on.
It's ok in php7.2 with or without xdebug and in php7.1 without xdebug.
Hope it helps.

@nicolas-grekas nicolas-grekas mentioned this issue May 28, 2018
Merged
nicolas-grekas added a commit that referenced this issue May 29, 2018
@nicolas-grekas
bug #27396 [HttpKernel] fix registering IDE links (nicolas-grekas)
31c7db9 
This PR was merged into the 3.4 branch.

Discussion
----------

[HttpKernel] fix registering IDE links

| Q             | A
| ------------- | ---
| Branch?       | 3.4
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #27194
| License       | MIT
| Doc PR        | -

Reverts some changes made in #27074 in `FrameworkBundle::boot()` that create the linked issue. Leverages changes done in #26138 instead.

Commits
-------

92e3023 [HttpKernel] fix registering IDE links
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@javiereguiluz @nicolas-grekas @mmarton @carsonbot
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