From the log that you shared, It says unable to access jar file aem-publish-p4503.jar can you check your permissions for the jar file on ec2 machine?

Try updating the maven plugin locally and also on your IDE.   https://stackoverflow.com/questions/47920305/can-not-set-org-eclipse-aether-spi-log-logger-with-custom-maven-plugin

Apart from what has been explained by @lukasz-m you can also setup the vault plugin for your project yo sync the file from aem crx/de to local file system once you overlayed the file from /libs folder to /apps folder so that you can work on the file for any modification and can commit it to your cod...

It will only be down loaded in zip format however on download GUI you have option to select if you want only original assets to be downloaded. If you want to automate this then curl command will be handy. https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/download-assets-or-fo...

It seems issue is with your front end project. Check if your frontend is angular or react and depend on the project you need to check you have appropriate node and non installed. If installed, may be try compiling your front end locally before running the min install command 

I believe you want same sling model to return different json output based on the selector in the url. If that’s the case then on your sling model you can read the selector and based on that value to  in can return the json of corresponding component. final String selectorString = request.getRequestP...

Sling model can be registered with resourceType of your aem component. I don’t think you need to register anything here. In your sling model you can read the sling selector from the url and send the response accordingly based on selector value. But in this case you need to adapt your sling model usi...

If you inspect the link on browser do you see .html append in the href ? Is the behaviour same on author, publisher and dispatcher?

Log suggest that it’s related to data store consistency issue. If it’s your local you can setup a new instance and if you still want to resolve it then check https://experienceleague.adobe.com/docs/experience-cloud-kcs/kbarticles/KA-17469.html?lang=en#:~:text=This%20error%20means%20that%20you,disk%2...

it seems from the screenshot all icons are referring to the AEM OOTB icons/clientlibs. For me it looks like permissioning issue. Please check below things on local are you logged in as Admin user?Check what is getting logged on the AEM log. Log is available inside crx-quickstart/log directory of you...