SonarJava rules no longer reporting unused variables

We are using Sonarqube EE (9.2.4).
This never happened before, but currently the sonar java rules: java:S1450, java:S1068 and java:S1200 are not reported. But java:S1176 still works fine.
For example, we have one unused variable in our java code, which is being reported by the Sonarlint plugin in Eclipse IDE. But when we run the pipeline (Bamboo CI), the sonarqube server itself doesn’t report anything as such in scan result.