Error Trace.
Trying to start PostgresSQL server failed java.net.ConnectException: Trying to start PostgresSQL server failed
at com.adventnet.db.adapter.postgres.DefaultPostgresDBInitializer.startDBServer(DefaultPostgresDBInitializer.java:177)
at com.adventnet.db.adapter.postgres.PostgresDBAdapter.startAndCheckDBServer(PostgresDBAdapter.java:781)
Trouble Shooting:
-> Path to the (application folder / bin) and execute ChangeDBserver and Save the configurations
-> Execute InitPGSQL.bat
-> Start stop the application once.
Make sure the Application is stopped, and no PGSQL or Java programs are running behind.
Now initiate the upgrade again.
If the upgrade still fails, please share the logs for further analysis.