EFM -switchover error

Dear Team,

I have configured the EFM with the edb-15 environment. initially primary
and secondary are in sync. But once the switchover happen timeline is
changing and getting the below error. Please give a permanent solution

Before switchover:

[image: image.png]

After switchover.
[image: image.png]

error log : [enterprisedb(at)localhost ~]$ cd /var/log/efm-5.2/
[enterprisedb(at)localhost efm-5.2]$ ll
total 192
-rw-r--r--. 1 efm efm 196487 Jan 26 20:12 efm.log
[enterprisedb(at)localhost efm-5.2]$ tail -10 efm.log
Error: com.sun.mail.util.MailConnectException: Couldn't connect to host,
port: localhost, 25; timeout 60000;
nested exception is:
java.net.ConnectException: Connection refused.
2026-01-26 20:12:31 com.enterprisedb.efm.DBMonitor lambda$watchDB$1 WARN:
Database connection is null.
2026-01-26 20:12:34 com.enterprisedb.efm.admin.AdminServerThread
processRequest INFO: Admin server received status request.
2026-01-26 20:12:34 com.enterprisedb.efm.admin.AdminServerThread
processRequest INFO: Received param: efm
2026-01-26 20:12:34 com.enterprisedb.efm.nodes.EfmNode checkClusterStatus
INFO: Sending status message to all nodes: node_status
2026-01-26 20:12:34 com.enterprisedb.efm.nodes.EfmAgent handleStatusCall
INFO: responding to db status request with status:
Standby%%192.168.75.142%%true%%192.168.75.150%%false
2026-01-26 20:12:34 com.enterprisedb.efm.nodes.EfmNode checkClusterStatus
INFO: Status response: EfmStatus{nodeStatusList=[NodeStatus{type='Witness',
address=localhost-17356(192.168.75.149)}, NodeStatus{type='Standby',
address=localhost-64370(192.168.75.142)}, NodeStatus{type='Primary',
address=localhost-39617(192.168.75.148)}]}
2026-01-26 20:12:34 com.enterprisedb.efm.nodes.EfmNode checkClusterStatus
INFO: Current internal status: [ total nodes: 3 primary:
localhost-39617(192.168.75.148) promoting: null standbys (1):
localhost-64370(192.168.75.142) witnesses (1):
localhost-17356(192.168.75.149) idle nodes (0): failed (0): ]