Lesson Learned #155: Timeout period elapsed prior to obtaining a connection from the pool.
Connection pooling is one of the best practices that we could implement in our code due to the improvement in the time spent establishing the connection. However, if we are not aware about it, we may have connectivity issues that may not be related with database service and may be related how our application closes the connection in case of any error, error handling or server client infraestructure level.
