rafaelweingartner commented on issue #2364: [CLOUDSTACK-10195] CloudStack MySQL 
HA problem -- No database selected
URL: https://github.com/apache/cloudstack/pull/2364#issuecomment-352518710
 
 
   Because it was testing the method   
`txn.transitToUserManagedConnection(getHeartbeatConnection())`.
   I replaced the use of this method by 
`txn.transitToAutoManagedConnection(TransactionLegacy.CLOUD_DB);`
   
   If you see in that code at line 600, after "trying" to reuse a connection if 
something goes wrong, it will try to transit to a transaction using schema 
"Cloud_DB", and then it will close the transaction. The only place where the 
transaction was "reused" is there. So, when I changed 
`txn.transitToUserManagedConnection(getHeartbeatConnection())` to 
`txn.transitToAutoManagedConnection(TransactionLegacy.CLOUD_DB);`, the first 
method could be deleted. After that, I inspected and this method is not used 
anywhere else. Therefore, I also removed the method and its test cases.

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