Enabling logging

Include Reference ID adapter events in the PingFederate server log file.

You can find more information about using Log4j in:

Log4j 2 logging service and configuration in the PingFederate documentation
PingFederate Log4J articles in the Ping Identity Knowledge Base

Steps

In your Java Virtual Machine options, set the javax.net.debug property to ssl or all.
Restart PingFederate.
Review the debug messages in the <pf_install>/pingfederate/log/server.log file.