ORA-12528
        TNS:listener: all appropriate instances are blocking new connections
        
        
        Cause
        All instances supporting the service requested by the client reported that they were blocking the new connections. This condition may be temporary, such as at instance startup.
        Action
        Attempt the connection again. If error persists, then contact the administrator to check the status of the instances.
        
     
    
    
        ORA-12528
        TNS:listener: all appropriate instances are blocking new connections
        
        
        Cause
        All instances supporting the service requested by the client reported that they were blocking the new connections. This condition may be temporary, such as at instance startup.
        Action
        Attempt the connection again. If error persists, then contact the administrator to check the status of the instances.
        
     
    
    
        ORA-12528
        TNS:listener: all appropriate instances are blocking new connections
        
        
        Cause
        All instances supporting the service requested by the client reported that they were blocking the new connections. This condition may be temporary, such as at instance startup.
        Action
        Attempt the connection again. If error persists, then contact the administrator to check the status of the instances.