From within AEM, the available ScriptEngineManager does not pick up ScriptEngines (like Nashorn) which are registered outside the OSGi framework. You will need to register Nashorn with Sling's ScriptEngineManager. Better yet would be if Nashorn was available as an OSGi bundle, in which case it could...

Oh, and BTW, there is already a community-based Handlebars ScriptEngine here: http://svn.apache.org/repos/asf/sling/whiteboard/ieb/handlebarsTo me, the idea of replacing all your HBS templates with Dust seems like it is going to be a pain regardless of how you implement the template compilation.

If you are just trying to do this from the scripting tier, you can do several other things:Use ESP scripts for your component scriptsUse ESP scripts invoked from JSPs (via sling:include/cq:include)Use SightlyFor example, here's a Sightly JS Use object which uses Handlebars:use(function () { load("/e...

Right, that cast won't work. Is there somewhere you saw that it was documented?

I think you're going to have to post some code.FWIW, it is true that RhinoJavaScriptEngine cannot be cast to Invocable. I guess the question is why you need to do this.

FYI - the next version of ACS AEM Commons will have a easy way to instantiate a Twitter API client (using the Twitter4J library) from a Twitter Connect cloud service configuration or a page on a site which is configured with a Twitter Connect configuration.The work-in-progress documentation can be s...

The email property is on the profile child node, so you need to douserMgr.findAuthorizables("email", "myemail@geometrixx.info", UserManager.SEARCH_TYPE_USER)

The UserManager does have an API for this, which you should use instead of directly using JCR query - https://dev.day.com/docs/en/cq/current/javadoc/org/apache/jackrabbit/api/security/user/UserManager.html#findAuthorizables(java.lang.String, java.lang.String, int). The reason this is preferrable is ...

Hi Sam,The rewriter transformer will need to be configured in your pipeline configuration. Documentation is forthcoming...Regards,Justin

You also might want to look at https://github.com/Adobe-Consulting-Services/acs-aem-commons/pull/49.