Your repository has not started properly, which is why you get this message. Check your error log, there should be an exception earlier in the startup process. Also check https://docs.adobe.com/docs/en/aem/6-1/release-notes/known-issues.html#Known%20Issues to make sure you are not encountering simil...

What is it you are trying to achieve? How is this data going to be used?

Hi,your error:AuthenticationSupport service missing. Cannot authenticate request.is a standard error message for when the repository cannot be started, as such it is not the root cause for the failure to start your  instance.If you have a look at your error.log file, you will most likely see an exce...

Hi Anne-Kathrin,my understanding is the same. If you have a publish farm of TarMK instances, then you store your UGC in a common store that all the publish instances point to. The common store can be the Adobe Social Cloud or a Mongo instance. Note you require Solr for queries if you use MongoDB.Reg...

Elizabeth Gallo wrote... The servers are in the AWS cloud, managed by Adobe. They are in the same region.   Have you discussed the performance with your AMS cloud engineer?

Hi Elizabeth,looking at the test numbers form this article[0], your numbers do seem very slow. Although the type of content can slow down the process. However, other factors to look into are the specified and actual network speed between the two servers.Are the servers on site, in the cloud, the sam...

When you create a dialog it needs to be called dialog(classic) or cq:dialog(touch ui). You can't create multiple dialogs for the same interface i.e classic/touch uiIf you have complex functionality to implement in your dialog, create separate tabs to group your widgets

Have you looked at cq:listeners? https://docs.adobe.com/docs/en/aem/6-1/develop/components.html#cq:listeners 

A colleague, David Gonzalez, summarised why to use QueryBuilder very well:1. It simplifies making complex parametised queries2. It should auto-optimize query evaluation3. Extension points for adding custom behaviour(custom predicates, Hit Writers etc)4. Provides pagination, facets etcThere is no rea...

Hi,you mentioned you have student work book for version 5.5, what version of AEM are you trying the examples this on?Regards