Unsatisfied (reference) Error for a utility class

Question

I have written a resource type servlet and used a utility class in it.
My core bundle state is active. But, the servlet is showing 'Unsatisfied (reference)' error. 
When I checked for the particular servlet, it is showing me the attached issue.
Please explain what is the exact issue and how to get it resolved.

DEBAL_DAS · Accepted Answer

We use @3214626 annotation to inject OSGi service.

You can define your Util class as similar to https://github.com/adobe/aem-core-wcm-components/blob/main/bundles/core/src/main/java/com/adobe/cq/wcm/core/components/internal/Utils.java

Then call the relevant static method using

Utils.methodname("") in your servlet.

BrianKasingli · Answer

You typically wouldn’t use @3214626 for the Utils class, because it’s reserved for dependency injection, injecting AEM services, as such.

If your utils class is created with static methods (as you should), all you would need to do is import the utils class into your project, and call:

Utils.getString(“”)

if you’d like to be a better backend developer, I would recommend you to download some linting libraries for your IDE like sonarLint. This will dramatically improved your code quality, and also enables learning opportunities as well.

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