I know this is old but would like to add for future reference. It sounds like your template resource is not being resolved. Can you confirm if slingRequest.getResourceResolver() is infact returning the resourceResolver?

Works like a charm thanks a lot for the help! The problem was with the import-package/export-package section. I appreciate the help and effort

Thanks for the reply, much appreciated. I have followed the steps outlined but the problem is still not resolved. I have done the export process on the jsoup jar and loaded the OSGi bundle fragment into AEM as per the instructions. This part works the fine. The 3rd party jar is in active state in AE...

I am trying to use a 3rd party project (Jsoup) in my servlet. I have gone through the steps to build and deploy a bundle fragment plugin as outlined here:https://helpx.adobe.com/experience-manager/using/custom-sling-servlets.htmlThis part works fine, I deploy it successfully via web console bundles ...