@Kamaraj_AEM Its a hard dependency, upgrading to Java 11 will resolve you issue.

Maven Compiler Plugin version 3.8.0 is compatible with Java 11. However, it's always recommended to use the latest version of the Maven Compiler Plugin to ensure compatibility with newer Java versions and to benefit from bug fixes and enhancements.  <plugin> <groupId>org.apache.maven.plugins</group...

@Mahedi_Sabuj As mentioned by @prithwi, he don't want to overlay anything from core components. 

I don't know it will help as you don't want to overlay core component. But, overlay dialog is the only way and the recommended process and add rootPath property to /content or whichever path we wish.Note: I looked into the OOTB library and it is not going to work to update path and it will create va...

@prithwi The root path is defined under below file /libs/cq/experience-fragments/editor/components/xffield/xffield.js --> Line 23xffield folder is in blur color which means it is not allow to overlay this fileAfter making manual change in libs file  

@HenryLiang Under ui.config module looks for config.author folder and create file and name as org.apache.sling.engine.impl.auth.SlingAuthenticator.cfg.json Paste below content within the file  { "sling.auth.requirements":[ "+/", "-/libs/granite/core/content/login", "-/etc.clientlibs", ...

@Mahesh_Gunaje It was introduced in Java 8 and is part of the java.util package.In Adobe Experience Manager (AEM), Optional.Nullable is a class used for handling nullable values in Java. It allows developers to express the absence of a value explicitly, reducing null pointer exceptions. By leveragin...

@Luis_Ochoa In Intellij, right click on the project root folder -> maven and click on Reload Project and check if any build error is coming. It is not able to download dependency if I am not wrong. please confirm if it says Could not find artifact

Modify the configuration of Apache Sling Authentication Service.Add an entry in sling.auth.requirements parameter.If you want anonymous access, you have to put a '-' before the path.Hope this helps!Same Issue Reference:  https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/how-t...

Use DistributionRequest in place of ReplicationAgent to flush:DistributionRequest distributionRequest = new SimpleDistributionRequest(DistributionRequestType.INVALIDATE, isDeep, Arrays.asList(pathToFlush).toArray(new String[0]));if (!Arrays.asList(pathToFlush).isEmpty()) { DistributionResp...