Please see my responses below-  srinivasc11017710 wrote... Thanks for the  input.I  have few  more  questions based on http://adobe-consulting-services.github.io/acs-aem-commons/features/versioned-clientlibs.html 1.What does TTLs stand for? KG - Time to Live. The  expires time you see in Apache conf...

I don't know the root cause of this issue but you can try the following to install your package - Unzip the package file and in the XML files representing the group nodes remove the rep:principalName property for only those groups which already exists in both source and target instances. After updat...

The following article describes this use case - http://aemfaq.blogspot.com/2013/05/how-to-configure-replication-agent-to.html. Basically you will have to create a specific users for your replication agent and assign permission to the one which you want to use and not to others. 

Take a look at the following thread - http://stackoverflow.com/questions/25404863/aem-6-0-additional-parameters-when-using-data-sly-resource

You can define cache control headers for CSS/JS file extensions in your Web server configuration. Also, you can introduce a version number/token in the CSS/JS include URLs for efficient caching so that browser does not request for the resource again even if the files hasn't changed since last respon...

You should also add the service user as impersonator for the user account who has locked the page. You can add the impersonator in the user admin UI. 

You should grant jcr:modifyProperties on the parent node along with the jcr:addChildNodes on the top level folder.  Modify properties privilege is needed because when a child node is added then AEM updates the modification date property on the top level node. 

You are not required to close the resource resolver which is bound to the request object as it is opened/managed by the Sling internally. You should close only those resource resolvers which you open explicitly yourself in your code. 

You can use W3C Geolocation APIs to get the latitude and longitude and then call the Google Maps API to get the city, state information. http://www.w3schools.com/html/html5_geolocation.asphttp://stackoverflow.com/questions/6797569/get-city-name-using-geolocation

You can move users and groups by creating a regular package on source and installing it on target. For ACLs you should use ACL Packager tool from ACS team - http://adobe-consulting-services.github.io/acs-aem-commons/features/acl-packager.html