Database agents from child server are not reporting to federator (4252660)

The database agents on the child Foglight server are not reporting to the Federator Foglight server. No data is being displayed.

In the federator log file the following error can be found:

To solve the issue, follow the steps below:

• Disable the topology synchronization in the federator server by commenting out the topology queries in the $FMS_HOME/config/federation.config file.
• Uninstall all database cartridges (Oracle/SQL Server) on the federator.
• Once this is done, restart the server to clear the cache.
• Now reinstall the needed databases cartridges.
• Finally restart the topology synchronization again by enabling the topology queries.