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FlexNet Operations On-Premises error: getHibernateSession(): failed to get hibernate session :org.hibernate.exception.GenericJDBCException: Cannot open connection

FlexNet Operations On-Premises error: getHibernateSession(): failed to get hibernate session :org.hibernate.exception.GenericJDBCException: Cannot open connection

Summary

This article discusses how to fix the error "getHibernateSession(): failed to get hibernate session :org.hibernate.exception.GenericJDBCException: Cannot open connection" when FNO fails to connect to SQL Server

Symptoms

FlexNet Operations On-Premises fails to connect to SQL Server with the following message in the flexnet.log:

getHibernateSession(): failed to get hibernate session :org.hibernate.exception.GenericJDBCException: Cannot open connection


Cause

Please check that the database server machine is up, on the network, and reachable.
1) Try to connect to Database using "SQL Server Management Studio" to see if it can work.
2) Check if the TCP/IP network protocol for SQL Server is enable (disabled by default)
3) Check if correct User/Password is set to "Flexnet site"
4) Check the network connection by executing
# telnet Database_server_host 1433
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