This also could happen when you have some communication issue with the AEM Instance or it's still down. Normally, this error appears when you are running your CI process(deployment) from Jenkins or other servers, it's resolved triggering one more time because you have too many job running concurrenc...

You should create a rollout task (script or java classes) to fix(otherwise your existing content will be broken) all changes according to certain criteria (for example all content under this path-/content/myapp/myfolder/- must add this new property -newProperty=false- to ensure all pages render prop...

In addition to feike_visser, you can check the documentation and spec: HTL Block Statements htl-spec/SPECIFICATION.md at master · Adobe-Marketing-Cloud/htl-spec · GitHub https://docs.adobe.com/content/ddc/en/gems/introduction-to-sightly/_jcr_content/par/download/file.res/Sightly%20Componen… Best Reg...

One more input base my experiences with Brightcove, We have been integrating via component and also api. Below we can see our experienceVia Component: We had a component creates a video in DAM (which is not really a video, but the thumbnail or thumbnail provided by Brightcove for each video, but tha...

you should check if all request is cacheable or not. Besides, you should also check where is it pointing docroot in the dispatcher

Can you check where pointing docroot? Can you also how is it implemented each component used, for example, you should check if you have any request no cacheable or not?You should also review the cache strategy for all js/css included in your clientlib.

you can check how to use  development tools for AEM project(create a node, debug, etc): Development Tools Some examples: Getting Started with AEM Sites Part 1 - Project Setup Getting Started with AEM Sites Part 2 - Creating a Base Page and Template  (you can see on this page a video creating node-te...

Can you clarify why do you want use in publisher?

Between jsp and html first priority goes to jsp as by default a component is linked to jsp at the time of creation.Here you can see a very clear explanation about sling resolution, selector, extension with examples.http://www.aemcq5tutorials.com/tutorials/sling-resource-resolution-aem/