How do I suppress the warning "unable to find the application log" after running "symfony serve"?

visual studio 2019 suppress warning
global suppression file c#
pragma warning disable
suppress warning 'matlab
visual studio suppress error
matlab editor suppress warning
sonarqube suppress warning c#
unity suppress warning

With Symfony 4.3 and Symfony CLI v4.7.1, when I run:

symfony serve

I see the following warning in the output:

WARNING unable to find the application log

How do I solve the issue that raises this warning? Do I have to install the logger bundle?


I have bumped into the same issue today. For some reason, I had to create an empty log file (dev.log) inside the var/log directory. After that, the warning disappeared and the log messages appeared in the file.

Suppress compiler warnings for projects and NuGet packages , You can hide specific compiler warnings for Visual Basic by editing the .vbproj file for the project. To suppress warnings by category, you can  To do this, follow these steps: Click Start, and then click Run. In the Open dialog box, type regedit, and then click OK. Note You have to modify only one of these registry subkeys. You You have to modify only one of these registry subkeys. You do not have to modify both. If the Security subkey


You have to install the "logger" package:

composer require logger

Java @SuppressWarnings Annotation, To suppress a list of multiple warnings, we set a String array containing the corresponding warning list: ? 1. Suppress Warnings. Your program might issue warnings that do not always adversely affect execution. To avoid confusion, you can hide warning messages during execution by changing their states from 'on' to 'off'. To suppress specific warning messages, you must first find the warning identifier. Each warning message has a unique identifier.


I had the same problem. The composer update command in the terminal automatically built all missing files and in particular var/log/dev.log.

Suppress Warnings - MATLAB & Simulink, Suppress Warnings. Your program might issue warnings that do not always adversely affect execution. To avoid confusion, you can hide warning messages​  With Symfony 4.3 and Symfony CLI v4.7.1, when I run: symfony serve I see the following warning in the output: WARNING unable to find the application log How do I solve the issue that raises t


Suppress a warning for all projects in Visual Studio, A recent update to Visual Studio 2017 (15.7.1) has an option for this now. Under the Tools->Options menu, select the TextEditor->C#->Code  You should be able to specify "hiveConfs" and then try and set "hive.root.logger" to probably something like "FATAL" or "ERROR", that way you should be able to suppress some of the INFO messages. They are retrieving the values from log4j.properties, so another way would be to set it over there.


warnings — Warning control, Python programmers issue warnings by calling the warn() function defined in this of a particular warning for the same source location are typically suppressed. You can suppress all warning messages using the 'off' state option, with the argument 'all' in place of a message identifier. You can suppress only the last warning message in a similar manner, replacing 'all' with 'last'. Once you have suppressed warnings, you can enable the warning messages again using the 'on' state option.


What is @SuppressWarnings annotation in Java , @SuppressWarnings instruct the compiler to ignore or suppress, specified compiler warning in annotated element and all program elements  If you are using code that you know will raise a warning, such as a deprecated function, but do not want to see the warning, then it is possible to suppress the warning using the catch_warnings context manager: