I have upgraded AEM 6.5 SP5 to AEM SP12 and when I spin up the server im getting this error.
HTTP ERROR 500 java.lang.NoClassDefFoundError: org/apache/jackrabbit/oak/spi/security/authentication/AbstractLoginModule
URI: /libs/granite/core/content/login.html
STATUS: 500
MESSAGE: java.lang.NoClassDefFoundError: org/apache/jackrabbit/oak/spi/security/authentication/AbstractLoginModule
SERVLET: org.apache.felix.http.base.internal.dispatch.DispatcherServlet-1d81b3db
CAUSED BY: java.lang.NoClassDefFoundError: org/apache/jackrabbit/oak/spi/security/authentication/AbstractLoginModule
I tried to change Open JDK to Oracle JDK too but the issue was not resolved. this is happening in Amazon Linux red hat server which i used to host the application.