For troubleshooting can you try by installing the aem code components packages and then doing your maven build and deploy? you can also add core components as the dependency. https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/core-components-not-resolved/m-p/558474 I believe y...

core components are different then the acs-commons. https://experienceleague.adobe.com/docs/experience-manager-learn/sites/components/core-components-feature-video-understand.html?lang=ennote that Aem doesn’t support the classic ui components anymore so that might not work in aem 6.5.15

 What version of aem core-components you are using it?

Aem version you are trying to install the code and the core-component version installed on your aem?

Are you referring that maven build is able to compile the build and once deployed on aem you are seeing the above error?

 A you check if aem core components are installed on your local aem? Is this maven build is your custom code or you just created a maven arch type project from 41 version and deployed it?

Also, in your case Dispatcher won’t cache the response because there is no file extension in the url. https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/cache-servlet-response/m-p/174263

Thanks for Confirming that you are now able to get the response for your servlet via dispatcher. If you looks the aem dispatcher farm.any in case it might be wknd_farm.any check for something similar inside conf.dispatcher.d/available_farms. So on your site-name_farm.any you can see several sections...

[Tue Nov 28 15:01:00.932313 2023] [dispatcher:debug] [pid 313:tid 139849276103480] [client localhost:33972] Filter rejects: GET /bin/random-number HTTP/1.1 Above log shows that one of filter is rejecting this path. I suspect your filters.any file is not loading in your dispatcher. Changes made on de...

How your sling model are adapted is it via Resource or slingHttpServletRequest ? Try with @inject if you’re sling models are adaptable via Resource.class