Below query will help http://localhost:4502/libs/cq/search/content/querydebug.html?_charset_=UTF-8&query=type%3Dcq%3APage%0D%0Apath%3D%2Fcontent%2Fproject%2Fea%2Fen%0D%0Afulltext%3DEnglish*type=cq:Pagepath=/content/project/ea/enfulltext=English*

Yes this is expected as we provided the redirected link.For SPA it will require changes for not to update the Url.

Follow below link for more details and easy implementation:https://dev.to/amersikira/top-3-ways-to-easily-detect-when-a-user-leaves-a-page-using-javascript-2ce4

There can be a conflict in between ootb and custom JavaScript. Please confirm if we are not overlaying anything. Also, once check browser console if any error is there or not. Did we install any other third party packages also ?

Do you see pdfbox as part of your /system/cobsole/bundles...if not, can you please download jar and try uploading one manually just for quick verification or download in local have this as part of code and upload as external jar through code.

@kbsniquer @Please share screenshot for the bundle having dependency in red.Goto /console/bundles.. select project having breadcrumb class, click on that project and check if something highlighted there in red

There can be below things:1. Check if specific bundle is active2. It can be n issue with Breadcrum sling models. It is not able to properly injected due to some invalid code written within slimg model.3. Did we provide the correct package and Class name in sightly.4. There can be any issue with on o...

@Mheilz Is it with only on page or for list of pages.Check error.log on first priority for more information, looks like backend code is breaking as it is showing 500 something went wrong page.This page also comes when site is down due to backend server issue or maintenance work.  

@Mahesh_Gunaje I might be wrong for cookie.. I was mentioning you can create cookie using Java code also in backend. So, if I used HttpSession, then the value is saved in server side? Same values(access token, refresh token is used for multiple users request? -> It is nowhere mention as you have bee...

@Mahesh_Gunaje At the end of the day it core Java concepts or API we use for Session and Cookie managementhttps://www.baeldung.com/java-servlet-cookies-sessionhttps://www.digitalocean.com/community/tutorials/java-session-management-servlet-httpsession-url-rewritinghttps://sourcedcode.com/blog/aem/se...