Watch this video that was just created - its working fine. If you are not getting this - there could be something wrong with your Maven (.m2) on your local DEV environment.

We just released a new mbean article (that performs workflow operations). It works fine and a video shows it working -- Creating Adobe Experience Manager 6.4 Sling Servlets that invoke MBean operations

Vishawdeep Kaur Dhaliwal provided the correct answer - please refer to the AEM Install official documentation.

Try Maven 13 - see if that works Creating an Adobe Experience Manager 6.4 Project using Adobe Maven Archetype 13

See if this TroubleShooting doc will help you -- Troubleshooting

Here is SPA information for AEM -- Getting Started with SPAs in AEM Ang can be used for SPA in AEM. If you want to build AEM components - then HTL and Sling Models is the recommended way to do so.

See -- Experiencing Adobe Experience Manager - Day CQ: AEM 61 - Sample Granite Widget In Touch UI extending Multifield to Limit…

This is not clear - most likely why no one answered it. Models are typically setup for components. Those components are then placed on pages.

Looks like you are trying to use dependency injection in a bind method following that doc. To use dependency injection, there is no need to place the @Reference within any specific method in Java. You can place @Refenence in a a Java class that uses @Component and then use that object in methods. Se...

Log a bug as a support ticket. As Arun suggests - this could be an upgrade bug.