I also encountered the same issue and resolved it by utilizing CoralUI 2 for Nested Multifield.Here's my code, hope can help you<detailswithnastedmultifield jcr:primaryType="nt:unstructured" sling:resourceType="granite/ui/components/coral/foundation/form/multifield" composite="{...

I'm also trying to install log4j-core-2.x in the bundle, but it still isn't working.  

Hi TarunKumar, Thanks for your reply, but I didn't find any log4j-api-2.x dependency in my source code. Do you think it's possible that the AEM service package bundle is causing this problem? This issue didn't show up before I updated my AEM to 6.5.18, and my last AEM version was 6.5.13

Hi, everyone my aem startup with below error , seems like aem missing some Log4j2 dependency, can anyone help me fix it ERROR StatusLogger Unable to load OSGI services for service class org.apache.logging.log4j.spi.Providerjava.lang.NullPointerExceptionat org.apache.logging.log4j.util.OsgiServiceLoc...