We have rules for some classes of weblogic.application.* but those are not triggered because of their <location>. Other classes are not covered.

I suggest to cover all classes of weblogic.application as it seems to be quite frequently used package. Even our own example application has them, and the result is:

public void preStop(ApplicationLifecycleEvent evt) {

This is an Oracle proprietary type (weblogic.application.ApplicationLifecycleEvent) and needs to be migrated to a compatible API. There is currently no detailed information about this type.

String appName = evt.getApplicationContext().getApplicationName();

This is an Oracle proprietary type (weblogic.application.ApplicationContext.getApplicationName()) and needs to be migrated to a compatible API. There is currently no detailed information about this type.

This is an Oracle proprietary type (weblogic.application.ApplicationLifecycleEvent.getApplicationContext()) and needs to be migrated to a compatible API. There is currently no detailed information about this type.

Here's some more: https://docs.oracle.com/middleware/1213/wls/WLAPI/toc.htm