It is not, but good to have. Uber jar is a single package, which will provide you almost all the api related to aem. So if you don't upgrade to latest and try to use some latest feature of AEM, specially introduced with latest service pack, you will will not be able to use that. There are other stuf...

You can save users in AEM, but this is not a good practice for such a huge user base for many reasons: 1. Orignally AEM is not a user management software so there is not much option for the same like changing password an all. 2. 50k users means 50k different nodes, means you are making your publishe...

It will not work if you use sightly tag in JSP. I am not sure why are you using sling model in jsp, but I think you can call it thru adaptTo method. Inside jsp's scriptlet you get the global object request or resource(it depends) adapt the sling model from it like:   HelloWorldModel helloWorldModel ...

Adobe can not cover each and every scenarios, that we faced in our day to day development activity, in its official documents because it is not known to them so most of the time we need to be dependent on some so called unofficial sites. But in unofficial sites if implementations are based on logic ...

Ideally if you have 4 publisher and 4 dispatcher then you should configure flush agent on each publisher to respective dispatcher. It should not be from author because it will create Race condition. this way it will be safer for cached content, whichever the publisher get replicated content, will tr...

can you please provide some additional detail about the error like stacktrace?

did you try to install any package in between?  

for this you can take help from Sling Dynamic Include for your global header. Hope this helps Umesh Thakur

Hi @RooRue, you can fallow the flow like: 1. add a CTA(button or link) to show the webinar link. 2. Once the user click on the cta just redirect user to the form. 3. before submission, You just save some flag in browser in the form of cookie or local storage or session storage. 4. On submit redirect...

Blog is just a page, that have some extra features, so you can easily create it in AEM. Some development effort will be needed for the same, have one extra template(not mandatory) , create some component for the same based on you requirement.  Create a page. Hope this helps Umesh Thakur