The system property `java.security.auth.login.config` has no effect in EAP

Issue

• Configuring Kerberos for calling 3rd party service
• A server we are connecting to uses Kerberos and keytab file. In a Java application, we need to configure JAAS and Krb5LoginModule with java.security.auth.login.config, but this doesn't work in EAP.
• The system property java.security.auth.login.config has no effect in EAP 6