Return
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Title
"No CDT could be found for the agent type" after a database cartridge upgrade -
Description
After upgrading a database agent, the FMS (Foglight Management Server) log file is filled with messages similar to the following:
ERROR [FglAM:IncomingMessage[3]-9] com.quest.glue.adapter.service.handlers.TopologyDataHandler - No CDT could be found for the agent type DB_DB2 (DB_DB2/5.6.10.5/DB_DB2/HOSTNAME-INSTANCE on [HOSTNAME_db2_Agent_Manager/192.168.1.1]), the submitted data sample will be discarded. Perhaps the cartridge containing the CDT for this agent was disabled or uninstalled?
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Cause
Errors similar to these are seen when a database cartridge enabled in the Foglight Management Server (FMS) is at a higher version than what is enabled and running on one or more of the connected Foglight Agent Managers. -
Resolution
An Agent Manager at a version level compatible with the database cartridge. This prevented the database agents from being upgraded.After the Agent Managers were upgraded to a level compatible with the database cartridge, the messages in the FMS stopped and the database agents on the Agent Manager could be upgraded.