Some nodes (or folders) under the Agent like Frontends, Backends, Weblogic and etc. are missing in Investigator after the agent upgrade from 9.5 to 10.2.
Agent log shows:
[ERROR] [IntroscopeAgent.Agent] Introscope AutoProbe will not run because the provided directives files are not valid: Can't proceed because The flag name "Axis1ClientTracingMethodClassNew" is already used as an aggregate flag in another directive. File /apps/opt/vapews/wily/Agent10.2/wily/core/config/appmap-soa.pbd ; Line 31.
APM 10.1 and above. Applies to both .NET and Java agents, regardless of OS.
SPM (SOA Performance Management) Monitoring was moved to a default monitoring in 10.1 release and above. If its PBL (spm.pbl) is configured for introscope.autoprobe.directivesFile in the Agent Profile, it can cause this issue because it is already part of the default PBL (ie. weblogic-typical.pbl).
Remove the spm.pbl value of introscope.autoprobe.directivesFile from Agent Profile file to prevent conflict in monitoring that causes autoprobe to halt.