On opening the page, if you are seeing it blank there is a chance that bundles of we.retail journal (2 bundle) are not in active state.Please navigate to http://localhost:4502/system/console/bundles   and verify

You can configure rewrite rule at apache for this. If urls are not complicated, a generic should be able to take care of all. You can keep your aem free from all this task.Rule will append www to incoming request,

I am assuming you are on aem 6.4 with sp2which is the required setup for this project to be used.

If you are referring to the project https://github.com/adobe/aem-sample-we-retail-journal I havent seen any issue ( aem 6.4 + sp2)What I am wondering is your bundles are not in active state for we.retail journal, can you double check them?

OOTB notifications are sent to the person who upload the assets.You would have customize the implementation for emails.https://helpx.adobe.com/in/experience-manager/6-3/assets/using/drm.html#Assetexpiration

Try logging to this url http://localhost:4502/system/console/bundles

Are you trying to update package details like name, description, group from external application. Make sure to provide login-token or authenticate with repositoryMore details will be helpful.

1. Can you attach the package for community?2. Did you try Troubleshooting steps herehttps://helpx.adobe.com/experience-manager/kt/sites/using/getting-started-wknd-tutorial-develop/part6.html#Troubleshooting

Customer is not able to use ACS commons due to some restriction on their end.For any upgrade, best would be structure your content with 6.4 practices having minor efforts in place

That the default product implementation to create nodes for multifield data. One approach has been already suggested to you for ACS commons but it seems you cant install it.Another approach which I have seen some folks following to tackle this problem it to1. Update your code to read from node inste...