cannot recognize Maven projects with multiple submodules

[interstellar-pixel]

When a Maven project contains multiple submodules, the JAVA PROJECTS view cannot correctly recognize and display the project structure.

As shown in the screenshot below:

[github-actions]

Hi @interstellar-pixel, I'm an AI Support assistant here to help with your issue. While the team reviews your request, I wanted to provide some possible tips and documentation that might help you in the meantime.

Workarounds

• Manually add each sub‐module to the Java Projects view: click the + in the Java Projects pane (“Add Folder to Java Projects”) and select the module folder.
• Verify Java > Dependency: Auto Refresh is enabled so updates in pom.xml get picked up.

Known issue (no fix yet)

• Maven multi-module project doesn’t correctly open modules
  • Description: Child modules aren’t resolved under the parent POM in Java Projects view
  • URL: Maven multi-module project doesn't correctly open modules #766

Other high-confidence reference

• Maven project inside another maven project not recognized
  • Similar: only the top‐level project is imported, sub‐folders aren’t detected
  • URL: Maven project inside another maven project not recognized redhat-developer/vscode-java#3240

Other references with low confidence

• Display nested/hierarchical Java project (Display nested/hierarchical Java project. #764)
  • Attempts to use “Package Presentation: hierarchical” to show modules under the parent
  • URL: Display nested/hierarchical Java project. #764

• Error when importing multi-module Maven projects (Error when importing [Java Projects] for [multi-module] maven projects #691)
  • Duplicate entries shown instead of proper nesting when using multi-root workspaces
  • URL: Error when importing [Java Projects] for [multi-module] maven projects #691

The team will respond to your issue shortly. I hope these suggestions are helpful in the meantime. If this comment helped you, please give it a 👍. If the suggestion was not helpful or incorrect, please give it a 👎. Your feedback helps us improve!

[Mayankshrey438]

Hi! I'd like to work on this issue. Could you please assign it to me? I'll investigate the root cause and submit a PR if it's within the scope of the extension. Thank you!