Cannot find main method for Maven project with subprojects

Environment

• Operating System: Arch Linux
• JDK version: liberica-jdk-11-full
• Visual Studio Code version: VSCodium 1.56.2
• Java extension version: 0.77.0
• Java Debugger extension version: 0.33.1

Steps To Reproduce

Given a Maven project with subprojects, such as this one
And VSCode is open with the cwd set to the root of the project
And I open a file in one of the subprojects (e.g. XChartDemo.java)
And the language server starts successfully
And I wait for long enough for the project to be loaded
When I try to run the main method

Current Result

Then I get an error message:

Error: Main method not found in the file, please define the main method as: public static void main(String[] args)

Source: Debugger for Java (Extension)

Expected Result

Then the main method is started

Log

lsp.log