You can customize that using the editconfig node. Check [1] for more details[1] AEM Components - The Basics

Can you try using uber jar version 6.5.0.0 ? Make sure you use the extra "0"

Can you share the stacktrace of the error logged in the error.log file? Ideally, you should be getting 200 response for that request.Also, Try to bypass dispatcher and directly go to the AEM instance.

Can you specify the AEM version?

It's the missing question mark at the end. Always test the cron using an online tool before using it in the code.

I agree with Hamid on this. This is mostly used when you want to explicitly exclude some properties from getting indexed for a fulltext indexYou can read more about this at [1][1] Jackrabbit Oak – Lucene Index

To protect against cross-site scripting (XSS) vulnerabilities, HTL automatically recognises the context within which an output string is to be displayed within the final HTML output, and escapes that string appropriately.It is also possible to override the automatic display context handling with the...

Do you see the same issue when logging in as admin?If no, try to provide access to the contexthub nodes to the user you are trying with.

I would request you to check OOTB servlets and write the custom code accordingly. As long as you are using OOTB API's , the code will be XSS protected.Also, If you go to [1], you can see all the XSS rules defined . If you are using anything custom, you can overlay this file under /apps and make the ...

You can use the Page properties bulk editor to update page properties of multiple pages at one time.[1] Configuring your Page for Bulk Editing of Page Properties