Sonar can't even detect a variable that was used inside a function

[kaanixir (kaan)]

Please provide

• Operating system: OSX
• SonarLint plugin version: 10.3.0.77475
• Programming language you’re coding in: Kotlin
• Is connected mode used: yes
  • Connected to SonarCloud

And a thorough description of the problem / question:

The question is simple and is described within the Screenshot. Sorry about the Froge image, it was taken from a public share in our company.

The problem is, this is an amazing tool. But it’s an absolute failure of a tool when it comes to very simple things.

Why can’t it detect a simple variable being used in the function and it says variable is not being used ? This is unacceptable. Is it because of the RX calls and syntax ?

[Colin]

False-positives happen.

This smells a bit like an issue that was reported in the past:

"Unused local variables should be removed" is broken

Hello @GHGHGHKO, Thanks for your report. I was able to reproduce this issue when analyzing the single file. However, when I analyze the whole project, this issue disappears. This means that the problem is that SonarLint wasn’t able to locate the .class files of your project correctly. And without semantics, the analyzer is not able to resolve variables, types, and bindings correctly, which leads to the incorrect result. For now, I can suggest you build your project with Gradle (either from the…

You can see in that thread there’s an open ticket – in the meantime, can you make sure your project is built?