AppMon includes two classes added to the ClassLoader sensor pack. These classes let AppMon monitor WAS Liberty Profile Server. The classes was work for WAS Liberty profile server 18.104.22.168 and later.
To add these classes, go into debug mode by pressing Ctrl + Shift + F9 in the AppMon Client. Select Sensor Packs, edit the ClassLoader sensor pack. Click add class and add one at a time.
After adding each class edit the method and change them from all methods to loadClass(*).
The following screenshot specifies all the changes needed. Visibility needs to change to public / default / protected.
Apply your changes and then restart the JVM.