Yes you are right. The phonegap folder is indeed excluded to be shown under Sites node. The exclude property is set on the following node - /libs/wcm/core/content/sites/jcr:content/body/content/content/items/childpages/datasource. If you remove phonegap from the exclude pattern then it does show up ...

Have you verified the configuration of the OSGI management console is right ? http://localhost:4502/system/console/configMgr/org.apache.felix.webconsole.internal.servlet.OsgiManager

Have you tried the following ? ${sample.item[0].anotherArray[0].ID}  

Do you see any exceptions in the log when you make POST requests ? Also, Why don't you use tools like VLT RCP or utilities like Recap to copy nodes between CRX repositories? [1] https://adobe-consulting-services.github.io/acs-aem-tools/2015/06/22/vlt-rcp.html[2] http://adamcin.net/net.adamcin.recap/...

This feature is available in AEM with Dynamic Media license - https://docs.adobe.com/docs/en/aod/overview/working-with-assets/dynamic-media/spin-sets.html#Creating Spin Sets

The setSearchPath function is called by the /libs/cq/gui/components/authoring/clientlibs/editor/js/ui/ui.assetFinder.js file at the following line-if (typeof self.registry[currentController].setSearchPath === 'function') { self.registry[currentController].setSearchPath($currPathBrowserInput.val()); ...

Check the following blog - http://blogs.adobe.com/experiencedelivers/experience-management/getting_to_know_theexternalizer/

You can check the version of taglib in the following bundle jar - org.apache.sling.scripting.jsp.taglib. In AEM 6.1, three versions of taglib are included - 1.0,1.1,1.2 and 1.4 with URI - http://sling.apache.org/taglibs/sling. The TLD files are in META-INF folder in the jar file.  I have tested the ...

Also, add your proxy settings in Apache HTTP Components Proxy Configuration  instead of Day Commons HTTP Client 3.1. 

The proxy configuration which you have done in OSGI configuration isn't going to work in your code because you are instantiating the client object using the new operator. Make the following changes in your code- (I assume you are consuming this service in an OSGI Java component in AEM)//Add the HTTP...