error

[sukhovsa]

2021-05-31 22:39:12,709 Caesium-1-4 ERROR ServiceRunner [c.d.j.c.i.ss.dbsynch.DBSynchronizationManager] Synchronization failed:Can't retrieve connection from datasource:81 java.sql.SQLException: Can't retrieve connection from datasource:81

[Nic Brough -Adaptavist-]

... and ...?

Posting a block of error with zero context is not going to get you a lot of help.

All we can tell you from that is that your Jira can't connect to the database you configured for it.